13638481920

Names of 13638481920

• Cardinal: 13638481920 can be written as Thirteen billion, six hundred thirty-eight million, four hundred eighty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.363848192 × 10¹⁰

Factors of 13638481920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 46

Divisors of 13638481920

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 29 30 32 35 36 40 42 45 48 54 56 58 60 63 64 70 72 80 81 84 87 90 96 105 108 112 116 120 126 128 135 140 144 145 160 162 168 174 180 189 192 203 210 216 224 232 240 243 252 256 261 270 280 288 290 315 320 324 336 348 360 378 384 405 406 420 432 435 448 464 480 486 504 512 522 540 560 567 576 580 609 630 640 648 672 696 720 729 756 768 783 810 812 840 864 870 896 928 945 960 972 1008 1015 1024 1044 1080 1120 1134 1152 1160 1215 1218 1260 1280 1296 1305 1344 1392 1440 1458 1512 1536 1566 1620 1624 1680 1701 1728 1740 1792 1827 1856 1890 1920 1944 2016 2030 2048 2088 2160 2187 2240 2268 2304 2320 2349 2430 2436 2520 2560 2592 2610 2688 2784 2835 2880 2916 3024 3045 3072 3132 3240 3248 3360 3402 3456 3480 3584 3645 3654 3712 3780 3840 3888 3915 4032 4060 4176 4320 4374 4480 4536 4608 4640 4698 4860 4872 5040 5103 5120 5184 5220 5376 5481 5568 5670 5760 5832 6048 6090 6144 6264 6480 6496 6561 6720 6804 6912 6960 7047 7168 7290 7308 7424 7560 7680 7776 7830 8064 8120 8352 8505 8640 8748 8960 9072 9135 9216 9280 9396 9720 9744 10080 10206 10240 10368 10440 10752 10935 10962 11136 11340 11520 11664 11745 12096 12180 12528 12960 12992 13122 13440 13608 13824 13920 14094 14336 14580 14616 14848 15120 15309 15360 15552 15660 16128 16240 16443 16704 17010 17280 17496 17920 18144 18270 18432 18560 18792 19440 19488 20160 20412 20736 20880 21141 21504 21870 21924 22272 22680 23040 23328 23490 24192 24360 25056 25515 25920 25984 26244 26880 27216 27405 27648 27840 28188 29160 29232 29696 30240 30618 30720 31104 31320 32256 32480 32805 32886 33408 34020 34560 34992 35235 35840 36288 36540 37120 37584 38880 38976 40320 40824 41472 41760 42282 43008 43740 43848 44544 45360 45927 46080 46656 46980 48384 48720 49329 50112 51030 51840 51968 52488 53760 54432 54810 55296 55680 56376 58320 58464 59392 60480 61236 62208 62640 63423 64512 64960 65610 65772 66816 68040 69120 69984 70470 71680 72576 73080 74240 75168 76545 77760 77952 80640 81648 82215 82944 83520 84564 87480 87696 89088 90720 91854 92160 93312 93960 96768 97440 98658 100224 102060 103680 103936 104976 105705 107520 108864 109620 111360 112752 116640 116928 120960 122472 124416 125280 126846 129024 129920 131220 131544 133632 136080 138240 139968 140940 145152 146160 147987 148480 150336 153090 155520 155904 161280 163296 164430 165888 167040 169128 174960 175392 178176 181440 183708 186624 187920 190269 193536 194880 197316 200448 204120 207360 207872 209952 211410 215040 217728 219240 222720 225504 229635 233280 233856 241920 244944 246645 248832 250560 253692 259840 262440 263088 267264 272160 276480 279936 281880 290304 292320 295974 296960 300672 306180 311040 311808 317115 322560 326592 328860 334080 338256 349920 350784 362880 367416 373248 375840 380538 387072 389760 394632 400896 408240 414720 415744 419904 422820 435456 438480 443961 445440 451008 459270 466560 467712 483840 489888 493290 497664 501120 507384 519680 524880 526176 534528 544320 559872 563760 580608 584640 591948 601344 612360 622080 623616 634230 645120 653184 657720 668160 676512 699840 701568 725760 734832 739935 746496 751680 761076 779520 789264 801792 816480 829440 839808 845640 870912 876960 887922 890880 902016 918540 933120 935424 951345 967680 979776 986580 1002240 1014768 1039360 1049760 1052352 1088640 1119744 1127520 1161216 1169280 1183896 1202688 1224720 1244160 1247232 1268460 1306368 1315440 1331883 1336320 1353024 1399680 1403136 1451520 1469664 1479870 1492992 1503360 1522152 1559040 1578528 1603584 1632960 1679616 1691280 1741824 1753920 1775844 1804032 1837080 1866240 1870848 1902690 1935360 1959552 1973160 2004480 2029536 2078720 2099520 2104704 2177280 2219805 2239488 2255040 2338560 2367792 2405376 2449440 2488320 2536920 2612736 2630880 2663766 2672640 2706048 2799360 2806272 2903040 2939328 2959740 3006720 3044304 3118080 3157056 3265920 3359232 3382560 3483648 3507840 3551688 3608064 3674160 3732480 3741696 3805380 3919104 3946320 4008960 4059072 4199040 4209408 4354560 4439610 4478976 4510080 4677120 4735584 4810752 4898880 5073840 5225472 5261760 5327532 5412096 5598720 5612544 5806080 5878656 5919480 6013440 6088608 6236160 6314112 6531840 6659415 6718464 6765120 7015680 7103376 7216128 7348320 7464960 7610760 7838208 7892640 8017920 8118144 8398080 8418816 8709120 8879220 9020160 9354240 9471168 9797760 10147680 10450944 10523520 10655064 10824192 11197440 11225088 11757312 11838960 12026880 12177216 12628224 13063680 13318830 13436928 13530240 14031360 14206752 14432256 14696640 15221520 15676416 15785280 16236288 16796160 16837632 17418240 17758440 18040320 18708480 18942336 19595520 20295360 21047040 21310128 21648384 22394880 23514624 23677920 24053760 24354432 25256448 26127360 26637660 27060480 28062720 28413504 29393280 30443040 31352832 31570560 32472576 33592320 33675264 35516880 36080640 37884672 39191040 40590720 42094080 42620256 43296768 47029248 47355840 48708864 50512896 52254720 53275320 54120960 56125440 56827008 58786560 60886080 63141120 64945152 67184640 71033760 72161280 75769344 78382080 81181440 84188160 85240512 94058496 94711680 97417728 101025792 106550640 108241920 113654016 117573120 121772160 126282240 129890304 142067520 151538688 156764160 162362880 168376320 170481024 189423360 194835456 213101280 216483840 227308032 235146240 243544320 252564480 284135040 303077376 324725760 340962048 378846720 389670912 426202560 454616064 470292480 487088640 505128960 568270080 649451520 681924096 757693440 852405120 909232128 974177280 1136540160 1363848192 1515386880 1704810240 1948354560 2273080320 2727696384 3409620480 4546160640 6819240960 13638481920
• Sum of all divisors σ(n): 58030408800
• Sum of proper divisors (its aliquot sum) s(n): 44391926880
• 13638481920 is an abundant number, because the sum of its proper divisors (44391926880) is greater than itself. Its abundance is 30753444960

Bases of 13638481920

• Binary: 1100101100111010101011100000000000₂
• Hexadecimal: 0x32CEAB800
• Base-36: 69K0000

Squares and roots of 13638481920

• 13638481920 squared (13638481920²) is 186008189082166886400
• 13638481920 cubed (13638481920³) is 2536869323769074474589093888000
• The square root of 13638481920 is 116783.9112206815
• The cube root of 13638481920 is 2389.2156129997

Scales and comparisons

• 13,638,481,920 seconds is equal to 433 years, 34 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 13,638,481,920 would take you about eight hundred sixty-seven 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 13638481920 cubic inches would be around 199.1 feet tall.

Recreational maths with 13638481920

• 13638481920 backwards is 02918483631
• 13638481920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13638481920's digits is 45
• More coming soon!