18163537920

Names of 18163537920

• Cardinal: 18163537920 can be written as Eighteen billion, one hundred sixty-three million, five hundred thirty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.816353792 × 10¹⁰

Factors of 18163537920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 104

Divisors of 18163537920

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 19 20 22 23 24 30 32 33 36 38 40 41 44 45 46 48 55 57 60 64 66 69 72 76 80 82 88 90 92 95 96 99 110 114 115 120 123 128 132 138 144 152 160 164 165 171 176 180 184 190 192 198 205 207 209 220 228 230 240 246 253 256 264 276 285 288 304 320 328 330 342 345 352 360 368 369 380 384 396 410 414 418 437 440 451 456 460 480 492 495 506 512 528 552 570 576 608 615 627 640 656 660 684 690 704 720 736 738 759 760 768 779 792 820 828 836 855 874 880 902 912 920 943 960 984 990 1012 1024 1035 1045 1056 1104 1140 1152 1216 1230 1254 1265 1280 1311 1312 1320 1353 1368 1380 1408 1440 1472 1476 1518 1520 1536 1558 1584 1640 1656 1672 1710 1748 1760 1804 1824 1840 1845 1881 1886 1920 1968 1980 2024 2048 2070 2090 2112 2185 2208 2255 2277 2280 2304 2337 2432 2460 2508 2530 2560 2622 2624 2640 2706 2736 2760 2816 2829 2880 2944 2952 3036 3040 3072 3116 3135 3168 3280 3312 3344 3420 3496 3520 3608 3648 3680 3690 3762 3772 3795 3840 3895 3933 3936 3960 4048 4059 4140 4180 4224 4370 4416 4510 4554 4560 4608 4674 4715 4807 4864 4920 5016 5060 5120 5244 5248 5280 5412 5472 5520 5632 5658 5760 5888 5904 6072 6080 6144 6232 6270 6336 6555 6560 6624 6688 6765 6840 6992 7011 7040 7216 7296 7360 7380 7524 7544 7590 7680 7790 7866 7872 7920 8096 8118 8280 8360 8448 8487 8569 8740 8832 9020 9108 9120 9216 9348 9405 9430 9614 9728 9840 10032 10120 10240 10373 10488 10496 10560 10824 10944 11040 11264 11316 11385 11520 11685 11776 11808 12144 12160 12464 12540 12672 13110 13120 13248 13376 13530 13680 13984 14022 14080 14145 14421 14432 14592 14720 14760 15048 15088 15180 15360 15580 15732 15744 15840 16192 16236 16560 16720 16896 16974 17138 17480 17664 17917 18040 18216 18240 18432 18696 18810 18860 19228 19456 19665 19680 20064 20240 20295 20746 20976 20992 21120 21648 21888 22080 22528 22632 22770 23040 23370 23552 23616 24035 24288 24320 24928 25080 25344 25707 26220 26240 26496 26752 27060 27360 27968 28044 28160 28290 28842 28864 29184 29440 29520 30096 30176 30360 30720 31119 31160 31464 31488 31680 32384 32472 33120 33440 33792 33948 34276 34960 35055 35328 35834 36080 36432 36480 37392 37620 37720 38456 38912 39330 39360 40128 40480 40590 41492 41952 41984 42240 42435 42845 43263 43296 43776 44160 45264 45540 46080 46740 47104 47232 48070 48576 48640 49856 50160 50688 51414 51865 52440 52480 52992 53504 53751 54120 54720 55936 56088 56320 56580 57684 57728 58368 58880 59040 60192 60352 60720 62238 62320 62928 62976 63360 64768 64944 66240 66880 67584 67896 68552 69920 70110 70656 71668 72105 72160 72864 72960 74784 75240 75440 76912 77121 78660 78720 80256 80960 81180 82984 83904 83968 84480 84870 85690 86526 86592 87552 88320 89585 90528 91080 92160 93357 93480 94464 96140 97152 97280 99712 100320 101376 102828 103730 104880 104960 105984 107008 107502 108240 109440 111872 112176 112640 113160 115368 115456 116736 117760 118080 120384 120704 121440 124476 124640 125856 125952 126720 128535 129536 129888 132480 133760 135792 137104 139840 140220 141312 143336 144210 144320 145728 145920 149568 150480 150880 153824 154242 155595 157320 157440 160512 161253 161920 162360 165968 167808 168960 169740 171380 173052 173184 175104 176640 179170 181056 182160 186714 186960 188928 192280 194304 194560 197087 199424 200640 202752 205656 207460 209760 209920 211968 214016 215004 216315 216480 218880 223744 224352 226320 230736 230912 235520 236160 240768 241408 242880 248952 249280 251712 251904 253440 257070 259072 259776 264960 267520 268755 271584 274208 279680 280440 286672 288420 288640 291456 291840 299136 300960 301760 307648 308484 311190 314640 314880 321024 322506 323840 324720 331936 335616 337920 339480 342760 346104 346368 350208 353280 358340 362112 364320 373428 373920 377856 384560 385605 388608 394174 398848 401280 411312 414920 419520 419840 423936 428032 430008 432630 432960 437760 447488 448704 452640 461472 461824 466785 472320 481536 482816 485760 497904 498560 503424 506880 514140 518144 519552 529920 535040 537510 543168 548416 559360 560880 573344 576840 577280 582912 583680 591261 598272 601920 603520 615296 616968 622380 629280 629760 642048 645012 647680 649440 663872 671232 678960 685520 692208 692736 706560 716680 724224 728640 746856 747840 755712 769120 771210 777216 788348 797696 802560 806265 822624 829840 839040 860016 865260 865920 875520 894976 897408 905280 922944 923648 933570 944640 963072 965632 971520 985435 995808 997120 1006848 1013760 1028280 1039104 1059840 1070080 1075020 1086336 1096832 1118720 1121760 1146688 1153680 1154560 1165824 1182522 1196544 1203840 1207040 1230592 1233936 1244760 1258560 1259520 1284096 1290024 1295360 1298880 1327744 1342464 1357920 1371040 1384416 1385472 1433360 1448448 1457280 1493712 1495680 1538240 1542420 1554432 1576696 1595392 1605120 1612530 1645248 1659680 1678080 1720032 1730520 1731840 1751040 1773783 1794816 1810560 1845888 1867140 1889280 1926144 1931264 1943040 1970870 1991616 1994240 2013696 2056560 2078208 2119680 2140160 2150040 2172672 2193664 2237440 2243520 2293376 2307360 2309120 2331648 2365044 2393088 2407680 2414080 2461184 2467872 2489520 2517120 2580048 2590720 2597760 2655488 2684928 2715840 2742080 2768832 2770944 2866720 2896896 2914560 2956305 2987424 2991360 3076480 3084840 3153392 3210240 3225060 3290496 3319360 3356160 3440064 3461040 3463680 3547566 3589632 3621120 3691776 3734280 3778560 3852288 3886080 3941740 3983232 3988480 4027392 4113120 4156416 4300080 4345344 4387328 4474880 4487040 4586752 4614720 4618240 4663296 4730088 4786176 4815360 4828160 4922368 4935744 4979040 5034240 5160096 5195520 5310976 5431680 5484160 5537664 5733440 5793792 5829120 5912610 5974848 5982720 6152960 6169680 6306784 6420480 6450120 6580992 6638720 6712320 6880128 6922080 6927360 7095132 7179264 7242240 7383552 7468560 7772160 7883480 7966464 7976960 8054784 8226240 8312832 8600160 8690688 8774656 8868915 8974080 9173504 9229440 9460176 9630720 9656320 9844736 9871488 9958080 10068480 10320192 10391040 10621952 10863360 10968320 11075328 11466880 11658240 11825220 11949696 11965440 12305920 12339360 12613568 12900240 13161984 13277440 13424640 13760256 13844160 13854720 14190264 14358528 14484480 14767104 14937120 15766960 15932928 16452480 17200320 17381376 17549312 17737830 17948160 18347008 18458880 18920352 19261440 19742976 19916160 20136960 20640384 20782080 21243904 21726720 21936640 22150656 22933760 23316480 23650440 23899392 23930880 24611840 24678720 25227136 25800480 26323968 26554880 27520512 27688320 28380528 28968960 29534208 29874240 31533920 31865856 32904960 34400640 35475660 35896320 36694016 36917760 37840704 39485952 39832320 40273920 41280768 41564160 43453440 43873280 44301312 45867520 47300880 47798784 49223680 49357440 50454272 51600960 52647936 53109760 55041024 55376640 56761056 59748480 63067840 63731712 65809920 68801280 70951320 71792640 73835520 75681408 78971904 79664640 82561536 86906880 87746560 88602624 91735040 94601760 95597568 98714880 100908544 103201920 106219520 110082048 110753280 113522112 119496960 126135680 131619840 137602560 141902640 147671040 151362816 157943808 159329280 165123072 183470080 189203520 191195136 197429760 201817088 206403840 221506560 227044224 238993920 252271360 263239680 275205120 283805280 302725632 318658560 330246144 378407040 394859520 403634176 412807680 443013120 454088448 477987840 504542720 550410240 567610560 605451264 756814080 789719040 825615360 908176896 955975680 1009085440 1135221120 1210902528 1513628160 1651230720 1816353792 2018170880 2270442240 3027256320 3632707584 4540884480 6054512640 9081768960 18163537920
• Sum of all divisors σ(n): 77271667200
• Sum of proper divisors (its aliquot sum) s(n): 59108129280
• 18163537920 is an abundant number, because the sum of its proper divisors (59108129280) is greater than itself. Its abundance is 40944591360

Bases of 18163537920

• Binary: 10000111010101000011001100000000000₂
• Hexadecimal: 0x43AA19800
• Base-36: 8CE3NK0

Squares and roots of 18163537920

• 18163537920 squared (18163537920²) is 329914109771277926400
• 18163537920 cubed (18163537920³) is 5992407443173649143025369088000
• The square root of 18163537920 is 134772.1704210479
• The cube root of 18163537920 is 2628.6543410701

Scales and comparisons

• 18,163,537,920 seconds is equal to 577 years, 28 weeks, 2 days, 3 hours, 12 minutes.
• To count from 1 to 18,163,537,920 would take you about one thousand, one hundred fifty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18163537920 cubic inches would be around 219.1 feet tall.

Recreational maths with 18163537920

• 18163537920 backwards is 02973536181
• 18163537920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18163537920's digits is 45
• More coming soon!