138993077960

Names of 138993077960

• Cardinal: 138993077960 can be written as One hundred thirty-eight billion, nine hundred ninety-three million, seventy-seven thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.3899307796 × 10¹¹

Factors of 138993077960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12863

Divisors of 138993077960

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 40 44 55 88 110 151 167 220 302 334 440 604 668 755 835 1208 1336 1510 1661 1670 1837 3020 3322 3340 3674 6040 6644 6680 7348 8305 9185 12527 13288 14696 16610 18370 25054 25217 33220 36740 50108 50434 62635 66440 73480 100216 100868 125270 126085 137797 201736 250540 252170 275594 277387 501080 504340 551188 554774 688985 1008680 1102376 1109548 1377970 1386935 1891577 2092009 2219096 2755940 2773870 3783154 4184018 5511880 5547740 7566308 8368036 9457885 10460045 11095480 15132616 16736072 18915770 20807347 20920090 23012099 37831540 41614694 41840180 46024198 75663080 83229388 83680360 92048396 104036735 115060495 166458776 184096792 208073470 230120990 315893359 416146940 460241980 631786718 832293880 920483960 1263573436 1579466795 2527146872 3158933590 3474826949 6317867180 6949653898 12635734360 13899307796 17374134745 27798615592 34748269490 69496538980 138993077960
• Sum of all divisors σ(n): 345508208640
• Sum of proper divisors (its aliquot sum) s(n): 206515130680
• 138993077960 is an abundant number, because the sum of its proper divisors (206515130680) is greater than itself. Its abundance is 67522052720

Bases of 138993077960

• Binary: 10000001011100101000100000111011001000₂
• Hexadecimal: 0x205CA20EC8
• Base-36: 1RUOW1C8

Squares and roots of 138993077960

• 138993077960 squared (138993077960²) is 19319075720794637761600
• 138993077960 cubed (138993077960³) is 2685217797775552279548028694336000
• The square root of 138993077960 is 372817.7543519085
• The cube root of 138993077960 is 5180.0154782561

Scales and comparisons

• 138,993,077,960 seconds is equal to 4,419 years, 28 weeks, 4 days, 4 hours, 19 minutes, 20 seconds.
• To count from 1 to 138,993,077,960 would take you about eight thousand, eight hundred thirty-nine 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 138993077960 cubic inches would be around 431.7 feet tall.

Recreational maths with 138993077960

• 138993077960 backwards is 069770399831
• The number of decimal digits it has is: 12
• The sum of 138993077960's digits is 62
• More coming soon!