90049977972

Names of 90049977972

• Cardinal: 90049977972 can be written as Ninety billion, forty-nine million, nine hundred seventy-seven thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 9.0049977972 × 10¹⁰

Factors of 90049977972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14464

Divisors of 90049977972

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 131 262 393 524 786 1179 1487 1572 2358 2974 4461 4716 5948 8922 12841 13383 17844 25682 26766 38523 51364 53532 77046 115569 154092 194797 231138 389594 462276 584391 779188 1168782 1682171 1753173 2337564 3364342 3506346 5046513 6728684 7012692 10093026 15139539 19094567 20186052 30279078 38189134 57283701 60558156 76378268 114567402 171851103 229134804 343702206 687404412 2501388277 5002776554 7504164831 10005553108 15008329662 22512494493 30016659324 45024988986 90049977972
• Sum of all divisors σ(n): 229536058752
• Sum of proper divisors (its aliquot sum) s(n): 139486080780
• 90049977972 is an abundant number, because the sum of its proper divisors (139486080780) is greater than itself. Its abundance is 49436102808

Bases of 90049977972

• Binary: 1010011110111011001011001111001110100₂
• Hexadecimal: 0x14F7659E74
• Base-36: 15D9FJP0

Squares and roots of 90049977972

• 90049977972 squared (90049977972²) is 8108998532757685232784
• 90049977972 cubed (90049977972³) is 730215139249809875625908892234048
• The square root of 90049977972 is 300083.2850593315
• The cube root of 90049977972 is 4482.2341172083

Scales and comparisons

• 90,049,977,972 seconds is equal to 2,863 years, 16 weeks, 1 day, 2 hours, 46 minutes, 12 seconds.
• To count from 1 to 90,049,977,972 would take you about five thousand, seven hundred twenty-six 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 90049977972 cubic inches would be around 373.5 feet tall.

Recreational maths with 90049977972

• 90049977972 backwards is 27977994009
• The number of decimal digits it has is: 11
• The sum of 90049977972's digits is 63
• More coming soon!