138860420608

Names of 138860420608

• Cardinal: 138860420608 can be written as One hundred thirty-eight billion, eight hundred sixty million, four hundred twenty thousand, six hundred eight.

Scientific notation

• Scientific notation: 1.38860420608 × 10¹¹

Factors of 138860420608

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1136

Divisors of 138860420608

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 53 56 64 91 104 106 112 128 182 208 212 224 256 364 371 416 424 448 512 689 728 742 832 848 896 1061 1378 1456 1484 1664 1696 1792 2122 2756 2809 2912 2968 3328 3392 3584 4244 4823 5512 5618 5824 5936 6656 6784 7427 8488 9646 11024 11236 11648 11872 13568 13793 14854 16976 19292 19663 22048 22472 23296 23744 27136 27586 29708 33952 36517 38584 39326 44096 44944 46592 47488 55172 56233 59416 67904 73034 77168 78652 88192 89888 94976 96551 110344 112466 118832 135808 146068 154336 157304 176384 179776 189952 193102 220688 224932 237664 255619 271616 292136 308672 314608 352768 359552 386204 393631 441376 449864 475328 511238 543232 584272 617344 629216 719104 731029 772408 787262 882752 899728 950656 1022476 1168544 1234688 1258432 1438208 1462058 1544816 1574524 1765504 1799456 1901312 2044952 2337088 2469376 2516864 2924116 2980349 3089632 3149048 3531008 3598912 3802624 4089904 4674176 5033728 5117203 5848232 5960698 6179264 6298096 7062016 7197824 8179808 9348352 10067456 10234406 11696464 11921396 12358528 12596192 14395648 16359616 18696704 20468812 20862443 23392928 23842792 24717056 25192384 28791296 32719232 38744537 40937624 41724886 46785856 47685584 49434112 50384768 65438464 77489074 81875248 83449772 93571712 95371168 100769536 130876928 154978148 163750496 166899544 187143424 190742336 201539072 271211759 309956296 327500992 333799088 374286848 381484672 542423518 619912592 655001984 667598176 762969344 1084847036 1239825184 1310003968 1335196352 1525938688 2169694072 2479650368 2620007936 2670392704 4339388144 4959300736 5340785408 8678776288 9918601472 10681570816 17357552576 19837202944 34715105152 69430210304 138860420608
• Sum of all divisors σ(n): 348369015456
• Sum of proper divisors (its aliquot sum) s(n): 209508594848
• 138860420608 is an abundant number, because the sum of its proper divisors (209508594848) is greater than itself. Its abundance is 70648174240

Bases of 138860420608

• Binary: 10000001010100101110011101111000000000₂
• Hexadecimal: 0x2054B9DE00
• Base-36: 1RSHWQ9S

Squares and roots of 138860420608

• 138860420608 squared (138860420608²) is 19282216411430671089664
• 138860420608 cubed (138860420608³) is 2677536681145743366542448721395712
• The square root of 138860420608 is 372639.8000858201
• The cube root of 138860420608 is 5178.3669888073

Scales and comparisons

• 138,860,420,608 seconds is equal to 4,415 years, 17 weeks, 1 day, 19 hours, 3 minutes, 28 seconds.
• To count from 1 to 138,860,420,608 would take you about eight thousand, eight hundred thirty 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 138860420608 cubic inches would be around 431.5 feet tall.

Recreational maths with 138860420608

• 138860420608 backwards is 806024068831
• The number of decimal digits it has is: 12
• The sum of 138860420608's digits is 46
• More coming soon!