139445612172

Names of 139445612172

• Cardinal: 139445612172 can be written as One hundred thirty-nine billion, four hundred forty-five million, six hundred twelve thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.39445612172 × 10¹¹

Factors of 139445612172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1459

Divisors of 139445612172

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 41 82 123 164 246 349 369 421 492 643 698 738 842 1047 1263 1286 1396 1476 1684 1929 2094 2526 2572 3141 3789 3858 4188 5052 5787 6282 7578 7716 11574 12564 14309 15156 17261 23148 26363 28618 34522 42927 51783 52726 57236 69044 79089 85854 103566 105452 128781 146929 155349 158178 171708 207132 224407 237267 257562 270703 293858 310698 316356 440787 448814 474534 515124 541406 587716 621396 673221 812109 881574 897628 949068 1082812 1322361 1346442 1624218 1763148 2019663 2436327 2644722 2692884 3248436 4039326 4872654 5289444 6024089 8078652 9200687 9745308 11098823 12048178 18072267 18401374 22197646 24096356 27602061 33296469 36144534 36802748 44395292 54216801 55204122 66592938 72289068 82806183 94475347 99889407 108433602 110408244 133185876 165612366 188950694 199778814 216867204 283426041 331224732 377901388 399557628 566852082 850278123 1133704164 1700556246 3401112492 3873489227 7746978454 11620467681 15493956908 23240935362 34861403043 46481870724 69722806086 139445612172
• Sum of all divisors σ(n): 363544053600
• Sum of proper divisors (its aliquot sum) s(n): 224098441428
• 139445612172 is an abundant number, because the sum of its proper divisors (224098441428) is greater than itself. Its abundance is 84652829256

Bases of 139445612172

• Binary: 10000001110111100110110010111010001100₂
• Hexadecimal: 0x20779B2E8C
• Base-36: 1S26BEZ0

Squares and roots of 139445612172

• 139445612172 squared (139445612172²) is 19445078754023834557584
• 139445612172 cubed (139445612172³) is 2711530910587604618161149665312448
• The square root of 139445612172 is 373424.1719171377
• The cube root of 139445612172 is 5185.6310931599

Scales and comparisons

• 139,445,612,172 seconds is equal to 4,433 years, 48 weeks, 5 days, 20 hours, 16 minutes, 12 seconds.
• To count from 1 to 139,445,612,172 would take you about eight thousand, eight hundred sixty-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 139445612172 cubic inches would be around 432.1 feet tall.

Recreational maths with 139445612172

• 139445612172 backwards is 271216544931
• The number of decimal digits it has is: 12
• The sum of 139445612172's digits is 45
• More coming soon!