138875251788

Names of 138875251788

• Cardinal: 138875251788 can be written as One hundred thirty-eight billion, eight hundred seventy-five million, two hundred fifty-one thousand, seven hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38875251788 × 10¹¹

Factors of 138875251788

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3194

Divisors of 138875251788

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 49 52 54 63 78 84 91 98 108 117 126 147 156 169 182 189 196 234 252 273 294 338 343 351 364 378 441 468 507 546 588 637 676 686 702 756 819 882 1014 1029 1092 1183 1274 1323 1372 1404 1521 1638 1764 1911 2028 2058 2366 2401 2457 2548 2646 3042 3087 3169 3276 3549 3822 4116 4459 4563 4732 4802 4914 5292 5733 6084 6174 6338 7098 7203 7644 8281 8918 9126 9261 9507 9604 9828 10647 11466 12348 12676 13377 14196 14406 16562 17199 17836 18252 18522 19014 21294 21609 22183 22932 24843 26754 28521 28812 31213 31941 33124 34398 37044 38028 40131 41197 42588 43218 44366 49686 53508 57042 57967 62426 63882 64827 66549 68796 74529 80262 82394 85563 86436 88732 93639 99372 114084 115934 120393 123591 124852 127764 129654 133098 149058 155281 160524 164788 171126 173901 187278 199647 223587 231868 240786 247182 259308 266196 280917 288379 298116 310562 342252 347802 370773 374556 399294 405769 447174 465843 481572 494364 521703 535561 561834 576758 598941 621124 695604 741546 798588 811538 842751 865137 894348 931686 1043406 1071122 1086967 1112319 1123668 1153516 1197882 1217307 1397529 1483092 1565109 1606683 1623076 1685502 1730274 1863372 2018653 2086812 2142244 2173934 2224638 2395764 2434614 2595411 2795058 3130218 3213366 3260901 3371004 3460548 3651921 3748927 4037306 4192587 4347868 4449276 4820049 4869228 5190822 5590116 6055959 6260436 6426732 6521802 7303842 7497854 7608769 7786233 8074612 8385174 9640098 9782703 10381644 10955763 11246781 12111918 13043604 14130571 14460147 14607684 14995708 15217538 15572466 16770348 18167877 19280196 19565406 21911526 22493562 22826307 24223836 26242489 28261142 28920294 29348109 30435076 31144932 33740343 36335754 39130812 42391713 43823052 44987124 45652614 52484978 54503631 56522284 57840588 58696218 67480686 68478921 72671508 78727467 84783426 91305228 98913997 101221029 104969956 109007262 117392436 127175139 134961372 136957842 157454934 169566852 183697423 197827994 202442058 205436763 218014524 236182401 254350278 273915684 296741991 314909868 367394846 381525417 395655988 404884116 410873526 472364802 508700556 551092269 593483982 708547203 734789692 763050834 821747052 890225973 944729604 1102184538 1186967964 1285881961 1417094406 1526101668 1653276807 1780451946 2204369076 2571763922 2670677919 2834188812 3306553614 3560903892 3857645883 4959830421 5143527844 5341355838 6613107228 7715291766 9919660842 10682711676 11572937649 15430583532 19839321684 23145875298 34718812947 46291750596 69437625894 138875251788
• Sum of all divisors σ(n): 454968670800
• Sum of proper divisors (its aliquot sum) s(n): 316093419012
• 138875251788 is an abundant number, because the sum of its proper divisors (316093419012) is greater than itself. Its abundance is 177218167224

Bases of 138875251788

• Binary: 10000001010101100111000010110001001100₂
• Hexadecimal: 0x20559C2C4C
• Base-36: 1RSQQM30

Squares and roots of 138875251788

• 138875251788 squared (138875251788²) is 19286335559180397196944
• 138875251788 cubed (138875251788³) is 2678394706849035435639447424135872
• The square root of 138875251788 is 372659.6997100707
• The cube root of 138875251788 is 5178.5513431361

Scales and comparisons

• 138,875,251,788 seconds is equal to 4,415 years, 41 weeks, 5 days, 10 hours, 49 minutes, 48 seconds.
• To count from 1 to 138,875,251,788 would take you about eight thousand, eight hundred thirty-one 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 138875251788 cubic inches would be around 431.5 feet tall.

Recreational maths with 138875251788

• 138875251788 backwards is 887152578831
• 138875251788 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138875251788's digits is 63
• More coming soon!