138858556928

Names of 138858556928

• Cardinal: 138858556928 can be written as One hundred thirty-eight billion, eight hundred fifty-eight million, five hundred fifty-six thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38858556928 × 10¹¹

Factors of 138858556928

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 937

Divisors of 138858556928

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 31 32 52 56 62 64 91 104 112 124 127 128 182 208 217 224 248 254 256 364 403 416 434 448 496 508 512 728 757 806 832 868 889 896 992 1016 1456 1514 1612 1651 1664 1736 1778 1792 1984 2032 2821 2912 3028 3224 3302 3328 3472 3556 3584 3937 3968 4064 5299 5642 5824 6056 6448 6604 6656 6944 7112 7874 7936 8128 9841 10598 11284 11557 11648 12112 12896 13208 13888 14224 15748 15872 16256 19682 21196 22568 23114 23296 23467 24224 25792 26416 27559 27776 28448 31496 32512 39364 42392 45136 46228 46592 46934 48448 51181 51584 52832 55118 55552 56896 62992 65024 68887 78728 84784 90272 92456 93868 96139 96896 102362 103168 105664 110236 111104 113792 125984 137774 157456 164269 169568 180544 184912 187736 192278 193792 204724 206336 211328 220472 227584 251968 275548 305071 314912 328538 339136 358267 361088 369824 375472 384556 387584 409448 422656 440944 455168 503936 551096 610142 629824 657076 672973 678272 716534 722176 739648 750944 769112 818896 845312 881888 1007872 1102192 1220284 1249807 1259648 1314152 1345946 1356544 1433068 1444352 1479296 1501888 1538224 1637792 1763776 2015744 2135497 2204384 2440568 2499614 2519296 2628304 2691892 2713088 2866136 2958592 2980309 3003776 3076448 3275584 3527552 4270994 4408768 4881136 4999228 5038592 5256608 5383784 5732272 5917184 5960618 6007552 6152896 6551168 7055104 8541988 8748649 8817536 9762272 9998456 10513216 10767568 11464544 11921236 12015104 12305792 13102336 14110208 17083976 17497298 17635072 19524544 19996912 20862163 21026432 21535136 22929088 23842472 24611584 26204672 34167952 34994596 35270144 38744017 39049088 39993824 41724326 42052864 43070272 45858176 47684944 49223168 68335904 69989192 77488034 78098176 79987648 83448652 84105728 86140544 91716352 95369888 136671808 139978384 154976068 156196352 159975296 166897304 172281088 183432704 190739776 271208119 273343616 279956768 309952136 319950592 333794608 344562176 381479552 542416238 546687232 559913536 619904272 639901184 667589216 762959104 1084832476 1093374464 1119827072 1239808544 1335178432 1525918208 2169664952 2239654144 2479617088 2670356864 4339329904 4479308288 4959234176 5340713728 8678659808 9918468352 10681427456 17357319616 19836936704 34714639232 69429278464 138858556928
• Sum of all divisors σ(n): 355731898368
• Sum of proper divisors (its aliquot sum) s(n): 216873341440
• 138858556928 is an abundant number, because the sum of its proper divisors (216873341440) is greater than itself. Its abundance is 78014784512

Bases of 138858556928

• Binary: 10000001010100100111010110111000000000₂
• Hexadecimal: 0x20549D6E00
• Base-36: 1RSGSS8W

Squares and roots of 138858556928

• 138858556928 squared (138858556928²) is 19281698832126616797184
• 138858556928 cubed (138858556928³) is 2677428874949404933835815494090752
• The square root of 138858556928 is 372637.2994320349
• The cube root of 138858556928 is 5178.3438219899

Scales and comparisons

• 138,858,556,928 seconds is equal to 4,415 years, 14 weeks, 1 day, 5 hours, 22 minutes, 8 seconds.
• To count from 1 to 138,858,556,928 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 138858556928 cubic inches would be around 431.5 feet tall.

Recreational maths with 138858556928

• 138858556928 backwards is 829655858831
• The number of decimal digits it has is: 12
• The sum of 138858556928's digits is 68
• More coming soon!