139991409180

Names of 139991409180

• Cardinal: 139991409180 can be written as One hundred thirty-nine billion, nine hundred ninety-one million, four hundred nine thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.3999140918 × 10¹¹

Factors of 139991409180

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 163371

Divisors of 139991409180

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 683 1260 1366 2049 2732 3415 4098 4781 6147 6830 8196 9562 10245 12294 13660 14343 19124 20490 23905 24588 28686 30735 40980 43029 47810 57372 61470 71715 86058 95620 122940 143430 162671 172116 215145 286860 325342 430290 488013 650684 813355 860580 976026 1138697 1464039 1626710 1952052 2277394 2440065 2928078 3253420 3416091 4554788 4880130 5693485 5856156 6832182 7320195 9760260 10248273 11386970 13664364 14640390 17080455 20496546 22773940 29280780 34160910 40993092 51241365 68321820 102482730 111104293 204965460 222208586 333312879 444417172 555521465 666625758 777730051 999938637 1111042930 1333251516 1555460102 1666564395 1999877274 2222085860 2333190153 3110920204 3333128790 3888650255 3999754548 4666380306 4999693185 6666257580 6999570459 7777300510 9332760612 9999386370 11665950765 13999140918 15554601020 19998772740 23331901530 27998281836 34997852295 46663803060 69995704590 139991409180
• Sum of all divisors σ(n): 486017086464
• Sum of proper divisors (its aliquot sum) s(n): 346025677284
• 139991409180 is an abundant number, because the sum of its proper divisors (346025677284) is greater than itself. Its abundance is 206034268104

Bases of 139991409180

• Binary: 10000010011000001000110110001000011100₂
• Hexadecimal: 0x209823621C
• Base-36: 1SB79QN0

Squares and roots of 139991409180

• 139991409180 squared (139991409180²) is 19597594644202188272400
• 139991409180 cubed (139991409180³) is 2743494890780285053092945700632000
• The square root of 139991409180 is 374154.2585351663
• The cube root of 139991409180 is 5192.3878906735

Scales and comparisons

• 139,991,409,180 seconds is equal to 4,451 years, 15 weeks, 1 day, 22 hours, 33 minutes.
• To count from 1 to 139,991,409,180 would take you about eight thousand, nine hundred two 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 139991409180 cubic inches would be around 432.7 feet tall.

Recreational maths with 139991409180

• 139991409180 backwards is 081904199931
• The number of decimal digits it has is: 12
• The sum of 139991409180's digits is 54
• More coming soon!