75390121680

Names of 75390121680

• Cardinal: 75390121680 can be written as Seventy-five billion, three hundred ninety million, one hundred twenty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 7.539012168 × 10¹⁰

Factors of 75390121680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 18477998

Divisors of 75390121680

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1020 1360 2040 4080 18477971 36955942 55433913 73911884 92389855 110867826 147823768 184779710 221735652 277169565 295647536 314125507 369559420 443471304 554339130 628251014 739118840 886942608 942376521 1108678260 1256502028 1478237680 1570627535 1884753042 2217356520 2513004056 3141255070 3769506084 4434713040 4711882605 5026008112 6282510140 7539012168 9423765210 12565020280 15078024336 18847530420 25130040560 37695060840 75390121680
• Sum of all divisors σ(n): 247457001024
• Sum of proper divisors (its aliquot sum) s(n): 172066879344
• 75390121680 is an abundant number, because the sum of its proper divisors (172066879344) is greater than itself. Its abundance is 96676757664

Bases of 75390121680

• Binary: 1000110001101100110011111011011010000₂
• Hexadecimal: 0x118D99F6D0
• Base-36: YMTBY6O

Squares and roots of 75390121680

• 75390121680 squared (75390121680²) is 5683670446925206022400
• 75390121680 cubed (75390121680³) is 428492606582711263887804805632000
• The square root of 75390121680 is 274572.6164059337
• The cube root of 75390121680 is 4224.4627152867

Scales and comparisons

• 75,390,121,680 seconds is equal to 2,397 years, 8 weeks, 6 days, 20 hours, 28 minutes.
• To count from 1 to 75,390,121,680 would take you about four thousand, seven hundred ninety-four 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 75390121680 cubic inches would be around 352 feet tall.

Recreational maths with 75390121680

• 75390121680 backwards is 08612109357
• The number of decimal digits it has is: 11
• The sum of 75390121680's digits is 42
• More coming soon!