139749187644

Names of 139749187644

• Cardinal: 139749187644 can be written as One hundred thirty-nine billion, seven hundred forty-nine million, one hundred eighty-seven thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 1.39749187644 × 10¹¹

Factors of 139749187644

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17410

Divisors of 139749187644

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 33 36 43 44 66 86 99 121 129 132 172 198 242 258 363 387 396 473 484 516 726 774 946 1089 1419 1452 1548 1849 1892 2178 2838 3698 4257 4356 5203 5547 5676 7396 8514 10406 11094 15609 16641 17028 17351 20339 20812 22188 31218 33282 34702 40678 46827 52053 61017 62436 66564 69404 81356 93654 104106 122034 156159 183051 187308 190861 208212 223729 244068 312318 366102 381722 447458 572583 624636 671187 732204 746093 763444 894916 1145166 1342374 1492186 1717749 2013561 2099471 2238279 2290332 2684748 2984372 3435498 4027122 4198942 4476558 6298413 6714837 6870996 8054244 8207023 8397884 8953116 12596826 13429674 16414046 18895239 24621069 25193652 26859348 32081999 32828092 37790478 49242138 64163998 73863207 75580956 90277253 96245997 98484276 128327996 147726414 180554506 192491994 270831759 288737991 295452828 352901989 361109012 384983988 541663518 577475982 705803978 812495277 1058705967 1083327036 1154951964 1411607956 1624990554 2117411934 3176117901 3249981108 3881921879 4234823868 6352235802 7763843758 11645765637 12704471604 15527687516 23291531274 34937296911 46583062548 69874593822 139749187644
• Sum of all divisors σ(n): 397551307608
• Sum of proper divisors (its aliquot sum) s(n): 257802119964
• 139749187644 is an abundant number, because the sum of its proper divisors (257802119964) is greater than itself. Its abundance is 118052932320

Bases of 139749187644

• Binary: 10000010001001101100110110000000111100₂
• Hexadecimal: 0x2089B3603C
• Base-36: 1S7723B0

Squares and roots of 139749187644

• 139749187644 squared (139749187644²) is 19529835447157922270736
• 139749187644 cubed (139749187644³) is 2729278638561315125914251833985984
• The square root of 139749187644 is 373830.4263218819
• The cube root of 139749187644 is 5189.3914347641

Scales and comparisons

• 139,749,187,644 seconds is equal to 4,443 years, 30 weeks, 5 days, 10 hours, 47 minutes, 24 seconds.
• To count from 1 to 139,749,187,644 would take you about eight thousand, eight hundred eighty-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 139749187644 cubic inches would be around 432.4 feet tall.

Recreational maths with 139749187644

• 139749187644 backwards is 446781947931
• The number of decimal digits it has is: 12
• The sum of 139749187644's digits is 63
• More coming soon!