18213902807040

Names of 18213902807040

• Cardinal: 18213902807040 can be written as Eighteen trillion, two hundred thirteen billion, nine hundred two million, eight hundred seven thousand and forty.

Scientific notation

• Scientific notation: 1.821390280704 × 10¹³

Factors of 18213902807040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 148

Divisors of 18213902807040

• Number of divisors d(n): 780
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 64 72 80 90 93 96 107 120 124 128 144 155 160 180 186 192 214 240 248 256 279 288 310 320 321 360 372 384 428 465 480 496 512 535 558 576 620 640 642 720 744 768 856 930 960 961 963 992 1024 1070 1116 1152 1240 1280 1284 1395 1440 1488 1536 1605 1712 1860 1920 1922 1926 1984 2048 2140 2232 2304 2480 2560 2568 2790 2880 2883 2976 3072 3210 3317 3424 3720 3840 3844 3852 3968 4096 4280 4464 4608 4805 4815 4960 5120 5136 5580 5760 5766 5952 6144 6420 6634 6848 7440 7680 7688 7704 7936 8560 8649 8928 9216 9610 9630 9920 9951 10240 10272 11160 11520 11532 11904 12288 12840 13268 13696 14415 14880 15360 15376 15408 15872 16585 17120 17298 17856 18432 19220 19260 19840 19902 20480 20544 22320 23040 23064 23808 25680 26536 27392 28830 29760 29791 29853 30720 30752 30816 31744 33170 34240 34596 35712 36864 38440 38520 39680 39804 41088 43245 44640 46080 46128 47616 49755 51360 53072 54784 57660 59520 59582 59706 61440 61504 61632 63488 66340 68480 69192 71424 76880 77040 79360 79608 82176 86490 89280 89373 92160 92256 95232 99510 102720 102827 106144 109568 115320 119040 119164 119412 123008 123264 126976 132680 136960 138384 142848 148955 149265 153760 154080 158720 159216 164352 172980 178560 178746 184320 184512 190464 199020 205440 205654 212288 219136 230640 238080 238328 238824 246016 246528 265360 268119 273920 276768 285696 297910 298530 307520 308160 308481 317440 318432 328704 345960 357120 357492 369024 380928 398040 410880 411308 424576 438272 446865 461280 476160 476656 477648 492032 493056 514135 530720 536238 547840 553536 571392 595820 597060 615040 616320 616962 634880 636864 657408 691920 714240 714984 738048 796080 821760 822616 849152 893730 922560 923521 925443 952320 953312 955296 984064 986112 1028270 1061440 1072476 1095680 1107072 1142784 1191640 1194120 1230080 1232640 1233924 1273728 1314816 1340595 1383840 1428480 1429968 1476096 1542405 1592160 1643520 1645232 1698304 1787460 1845120 1847042 1850886 1904640 1906624 1910592 1968128 1972224 2056540 2122880 2144952 2191360 2214144 2383280 2388240 2460160 2465280 2467848 2547456 2681190 2767680 2770563 2856960 2859936 2952192 3084810 3184320 3187637 3287040 3290464 3396608 3574920 3690240 3694084 3701772 3813248 3821184 3936256 3944448 4113080 4245760 4289904 4428288 4617605 4627215 4766560 4776480 4920320 4930560 4935696 5094912 5362380 5535360 5541126 5713920 5719872 5904384 6169620 6368640 6375274 6574080 6580928 6793216 7149840 7380480 7388168 7403544 7626496 7642368 8226160 8311689 8491520 8579808 8856576 9235210 9254430 9533120 9552960 9562911 9840640 9861120 9871392 10189824 10724760 11070720 11082252 11439744 11808768 12339240 12737280 12750548 13161856 13586432 13852815 14299680 14760960 14776336 14807088 15252992 15284736 15938185 16452320 16623378 16983040 17159616 17713152 18470420 18508860 19066240 19105920 19125822 19681280 19722240 19742784 20379648 21449520 22141440 22164504 22879488 24678480 25474560 25501096 26323712 27705630 28599360 28688733 29521920 29552672 29614176 30505984 30569472 31876370 32904640 33246756 33966080 34319232 35426304 36940840 37017720 38132480 38211840 38251644 39485568 40759296 41558445 42899040 44282880 44329008 45758976 47814555 49356960 50949120 51002192 52647424 55411260 57198720 57377466 59043840 59105344 59228352 61011968 61138944 63752740 65809280 66493512 67932160 68638464 73881680 74035440 76264960 76423680 76503288 78971136 83116890 85798080 88565760 88658016 91517952 95629110 98713920 98816747 101898240 102004384 105294848 110822520 114397440 114754932 118210688 118456704 122023936 122277888 127505480 131618560 132987024 137276928 143443665 147763360 148070880 152529920 152847360 153006576 157942272 166233780 171596160 177131520 177316032 183035904 191258220 197427840 197633494 203796480 204008768 210589696 221645040 228794880 229509864 236421376 236913408 255010960 263237120 265974048 274553856 286887330 295526720 296141760 296450241 305059840 305694720 306013152 315884544 332467560 343192320 354632064 366071808 382516440 394855680 395266988 408017536 421179392 443290080 457589760 459019728 472842752 473826816 494083735 510021920 526474240 531948096 549107712 573774660 591053440 592283520 592900482 610119680 611389440 612026304 631769088 664935120 686384640 709264128 765032880 789711360 790533976 816035072 886580160 889350723 915179520 918039456 945685504 947653632 988167470 1020043840 1052948480 1063896192 1098215424 1147549320 1182106880 1184567040 1185800964 1224052608 1263538176 1329870240 1372769280 1418528256 1482251205 1530065760 1579422720 1581067952 1632070144 1773160320 1778701446 1830359040 1836078912 1891371008 1895307264 1976334940 2040087680 2105896960 2127792384 2295098640 2364213760 2369134080 2371601928 2448105216 2659740480 2745538560 2837056512 2964502410 3060131520 3158845440 3162135904 3264140288 3546320640 3557402892 3672157824 3782742016 3790614528 3952669880 4080175360 4255584768 4446753615 4590197280 4728427520 4738268160 4743203856 4896210432 5319480960 5491077120 5674113024 5929004820 6120263040 6317690880 6324271808 6528280576 7092641280 7114805784 7344315648 7905339760 8160350720 8511169536 8893507230 9180394560 9456855040 9476536320 9486407712 9792420864 10638961920 11348226048 11858009640 12240526080 12648543616 13056561152 14185282560 14229611568 14688631296 15810679520 16320701440 17022339072 17787014460 18360789120 18913710080 18953072640 18972815424 19584841728 21277923840 23716019280 24481052160 25297087232 28370565120 28459223136 29377262592 31621359040 32641402880 34044678144 35574028920 36721578240 37945630848 39169683456 42555847680 47432038560 48962104320 50594174464 56741130240 56918446272 58754525184 63242718080 65282805760 71148057840 73443156480 75891261696 85111695360 94864077120 97924208640 101188348928 113836892544 117509050368 126485436160 142296115680 146886312960 151782523392 170223390720 189728154240 195848417280 202376697856 227673785088 252970872320 284592231360 293772625920 303565046784 379456308480 404753395712 455347570176 505941744640 569184462720 587545251840 607130093568 758912616960 910695140352 1011883489280 1138368925440 1214260187136 1517825233920 1821390280704 2023766978560 2276737850880 3035650467840 3642780561408 4553475701760 6071300935680 9106951403520 18213902807040
• Sum of all divisors σ(n): 65847984036120
• Sum of proper divisors (its aliquot sum) s(n): 47634081229080
• 18213902807040 is an abundant number, because the sum of its proper divisors (47634081229080) is greater than itself. Its abundance is 29420178422040

Bases of 18213902807040

• Binary: 100001001000011000001001101001111000000000000₂
• Hexadecimal: 0x1090C134F000
• Base-36: 6GFCNGN40

Squares and roots of 18213902807040

• 18213902807040 squared (18213902807040²) is 331746255464299591473561600
• 18213902807040 cubed (18213902807040³) is 6042394053626215267647828876186353664000
• The square root of 18213902807040 is 4267774.9245994685
• The cube root of 18213902807040 is 26310.8172608337

Scales and comparisons

• 18,213,902,807,040 seconds is equal to 579,145 years, 40 weeks, 6 hours, 24 minutes.
• To count from 1 to 18,213,902,807,040 would take you about one million, four hundred forty-seven thousand, eight hundred sixty-four 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 18213902807040 cubic inches would be around 2192.6 feet tall.

Recreational maths with 18213902807040

• 18213902807040 backwards is 04070820931281
• 18213902807040 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18213902807040's digits is 45
• More coming soon!