90040042972

Names of 90040042972

• Cardinal: 90040042972 can be written as Ninety billion, forty million, forty-two thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 9.0040042972 × 10¹⁰

Factors of 90040042972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5669

Divisors of 90040042972

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 11 17 22 29 34 44 58 68 116 187 319 374 493 638 748 877 986 1276 1754 1972 3508 4733 5423 9466 9647 10846 14909 18932 19294 21692 25433 29818 38588 50866 52063 59636 80461 101732 104126 137257 160922 163999 208252 274514 279763 321844 327998 432361 549028 559526 655996 864722 885071 1119052 1509827 1729444 1770142 2333369 3019654 3540284 4150841 4666738 4755971 6039308 8301682 9333476 9511942 16603364 19023884 25667059 45659251 51334118 70564297 91318502 102668236 120374389 141128594 182637004 240748778 282257188 481497556 776207267 1324118279 1552414534 2046364613 2648236558 3104829068 4092729226 5296473116 8185458452 22510010743 45020021486 90040042972
• Sum of all divisors σ(n): 188536662720
• Sum of proper divisors (its aliquot sum) s(n): 98496619748
• 90040042972 is an abundant number, because the sum of its proper divisors (98496619748) is greater than itself. Its abundance is 8456576776

Bases of 90040042972

• Binary: 1010011110110110011100000010111011100₂
• Hexadecimal: 0x14F6CE05DC
• Base-36: 15D3ILSS

Squares and roots of 90040042972

• 90040042972 squared (90040042972²) is 8107209338399606592784
• 90040042972 cubed (90040042972³) is 729973477212500267322165865114048
• The square root of 90040042972 is 300066.7308649861
• The cube root of 90040042972 is 4482.0692730675

Scales and comparisons

• 90,040,042,972 seconds is equal to 2,862 years, 51 weeks, 5 days, 3 hours, 2 minutes, 52 seconds.
• To count from 1 to 90,040,042,972 would take you about five thousand, seven hundred twenty-five 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 90040042972 cubic inches would be around 373.5 feet tall.

Recreational maths with 90040042972

• 90040042972 backwards is 27924004009
• The number of decimal digits it has is: 11
• The sum of 90040042972's digits is 37
• More coming soon!