145388727738

Names of 145388727738

• Cardinal: 145388727738 can be written as One hundred forty-five billion, three hundred eighty-eight million, seven hundred twenty-seven thousand, seven hundred thirty-eight.

Scientific notation

• Scientific notation: 1.45388727738 × 10¹¹

Factors of 145388727738

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 164

Divisors of 145388727738

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 9 18 19 27 37 38 54 57 74 103 111 114 171 206 222 309 333 342 361 513 618 666 703 722 927 999 1026 1083 1406 1854 1957 1998 2109 2166 2781 3249 3811 3914 4218 5562 5871 6327 6498 6859 7622 9747 10609 11433 11742 12654 13357 13718 17613 18981 19494 20577 21218 22866 26714 31827 34299 35226 37183 37962 40071 41154 52839 61731 63654 68598 72409 74366 80142 95481 102897 105678 111549 120213 123462 144818 185193 190962 201571 205794 217227 223098 240426 253783 286443 334647 360639 370386 392533 403142 434454 507566 572886 604713 651681 669294 706477 721278 761349 785066 1003941 1177599 1209426 1303362 1375771 1412954 1522698 1814139 1955043 2007882 2119431 2284047 2355198 2751542 3532797 3628278 3829849 3910086 4127313 4238862 4568094 5442417 6358293 6852141 7065594 7458127 7659698 8254626 10598391 10884834 11489547 12381939 12716586 13704282 14916254 19074879 21196782 22374381 22979094 24763878 26139649 34468641 37145817 38149758 44748762 52279298 67123143 68937282 72767131 74291634 78418947 103405923 134246286 141704413 145534262 156837894 201369429 206811846 218301393 235256841 283408826 402738858 425113239 436602786 470513682 654904179 705770523 850226478 1275339717 1309808358 1411541046 1964712537 2550679434 2692383847 3826019151 3929425074 5384767694 7652038302 8077151541 16154303082 24231454623 48462909246 72694363869 145388727738
• Sum of all divisors σ(n): 353683267200
• Sum of proper divisors (its aliquot sum) s(n): 208294539462
• 145388727738 is an abundant number, because the sum of its proper divisors (208294539462) is greater than itself. Its abundance is 62905811724

Bases of 145388727738

• Binary: 10000111011001110101111110110110111010₂
• Hexadecimal: 0x21D9D7EDBA
• Base-36: 1USGP0AI

Squares and roots of 145388727738

• 145388727738 squared (145388727738²) is 21137882153274290596644
• 145388727738 cubed (145388727738³) is 3073209793340325020790568092511272
• The square root of 145388727738 is 381298.7381804457
• The cube root of 145388727738 is 5258.2784312621

Scales and comparisons

• 145,388,727,738 seconds is equal to 4,622 years, 47 weeks, 2 days, 21 hours, 42 minutes, 18 seconds.
• To count from 1 to 145,388,727,738 would take you about nine thousand, two hundred forty-five 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 145388727738 cubic inches would be around 438.2 feet tall.

Recreational maths with 145388727738

• 145388727738 backwards is 837727883541
• The number of decimal digits it has is: 12
• The sum of 145388727738's digits is 63
• More coming soon!