139009914621979390

Names of 139009914621979390

• Cardinal: 139009914621979390 can be written as One hundred thirty-nine quadrillion, nine trillion, nine hundred fourteen billion, six hundred twenty-one million, nine hundred seventy-nine thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.3900991462197939 × 10¹⁷

Factors of 139009914621979390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 12020473

Divisors of 139009914621979390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 22 55 67 110 134 335 670 737 1474 3685 7370 1855577 3711154 9277885 10164811 18555770 20329622 20411347 40822694 50824055 101648110 102056735 111812921 124323659 204113470 223625842 248647318 559064605 621618295 681042337 1118129210 1243236590 1362084674 1367560249 2735120498 3405211685 6810423370 6837801245 7491465707 13675602490 14982931414 37457328535 74914657070 18861589500947 37723179001894 94307947504735 188615895009470 207477484510417 414954969020834 1037387422552085 1263726496563449 2074774845104170 2527452993126898 6318632482817245 12637264965634490 13900991462197939 27801982924395878 69504957310989695 139009914621979390
• Sum of all divisors σ(n): 277039203145383168
• Sum of proper divisors (its aliquot sum) s(n): 138029288523403778
• 139009914621979390 is a deficient number, because the sum of its proper divisors (138029288523403778) is less than itself. Its deficiency is 980626098575612

Bases of 139009914621979390

• Binary: 111101101110111001100011111100101010011001110101011111110₂
• Hexadecimal: 0x1EDDCC7E54CEAFE
• Base-36: 120QWH6CAHHA

Squares and roots of 139009914621979390

• 139009914621979390 squared (139009914621979390²) is 19323756363209999414203281584772100
• 139009914621979390 cubed (139009914621979390³) is 2686193722225752977806422429163467746694184047019000
• The square root of 139009914621979390 is 372840333.9527248493
• The cube root of 139009914621979390 is 518022.4626916991

Scales and comparisons

• 139,009,914,621,979,390 seconds is equal to 4,420,085,299 years, 4 weeks, 1 day, 12 hours, 3 minutes, 10 seconds.
• To count from 1 to 139,009,914,621,979,390 would take you about thirteen billion, two hundred sixty million, two hundred fifty-five thousand, eight hundred ninety-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 139009914621979390 cubic inches would be around 43168.5 feet tall.

Recreational maths with 139009914621979390

• 139009914621979390 backwards is 093979126419900931
• The number of decimal digits it has is: 18
• The sum of 139009914621979390's digits is 82
• More coming soon!