90125669490

Names of 90125669490

• Cardinal: 90125669490 can be written as Ninety billion, one hundred twenty-five million, six hundred sixty-nine thousand, four hundred ninety.

Scientific notation

• Scientific notation: 9.012566949 × 10¹⁰

Factors of 90125669490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1267

Divisors of 90125669490

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 15 17 30 34 51 53 85 102 106 159 170 255 265 318 510 530 795 901 1187 1590 1802 2374 2703 2809 3561 4505 5406 5618 5935 7122 8427 9010 11870 13515 14045 16854 17805 20179 27030 28090 35610 40358 42135 47753 60537 62911 84270 95506 100895 121074 125822 143259 148877 188733 201790 238765 286518 297754 302685 314555 377466 446631 477530 605370 629110 716295 744385 893262 943665 1069487 1432590 1488770 1887330 2138974 2233155 2530909 3208461 3334283 4466310 5061818 5347435 6416922 6668566 7592727 10002849 10694870 12654545 15185454 16042305 16671415 20005698 25309090 32084610 33342830 37963635 50014245 56682811 75927270 100028490 113365622 170048433 176716999 283414055 340096866 353433998 530150997 566828110 850242165 883584995 1060301994 1700484330 1767169990 2650754985 3004188983 5301509970 6008377966 9012566949 15020944915 18025133898 30041889830 45062834745 90125669490
• Sum of all divisors σ(n): 233626187520
• Sum of proper divisors (its aliquot sum) s(n): 143500518030
• 90125669490 is an abundant number, because the sum of its proper divisors (143500518030) is greater than itself. Its abundance is 53374848540

Bases of 90125669490

• Binary: 1010011111011111010001001010001110010₂
• Hexadecimal: 0x14FBE89472
• Base-36: 15EIHVN6

Squares and roots of 90125669490

• 90125669490 squared (90125669490²) is 8122636301020716860100
• 90125669490 cubed (90125669490³) is 732058034653269277376243168349000
• The square root of 90125669490 is 300209.3760860909
• The cube root of 90125669490 is 4483.4896129503

Scales and comparisons

• 90,125,669,490 seconds is equal to 2,865 years, 37 weeks, 2 days, 4 hours, 11 minutes, 30 seconds.
• To count from 1 to 90,125,669,490 would take you about five thousand, seven hundred thirty-one 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 90125669490 cubic inches would be around 373.6 feet tall.

Recreational maths with 90125669490

• 90125669490 backwards is 09496652109
• 90125669490 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 90125669490's digits is 51
• More coming soon!