20972469990

Names of 20972469990

• Cardinal: 20972469990 can be written as Twenty billion, nine hundred seventy-two million, four hundred sixty-nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.097246999 × 10¹⁰

Factors of 20972469990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 38347

Divisors of 20972469990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 10 15 19 30 31 38 57 62 93 95 114 155 186 190 285 310 465 570 589 930 961 1178 1767 1922 2883 2945 3534 4805 5766 5890 8835 9610 14415 17670 18259 28830 36518 38287 54777 76574 91295 109554 114861 182590 191435 229722 273885 382870 547770 574305 727453 1148610 1186897 1454906 2182359 2373794 3560691 3637265 4364718 5934485 7121382 7274530 10911795 11868970 17803455 21823590 22551043 35606910 36793807 45102086 67653129 73587614 110381421 112755215 135306258 183969035 220762842 225510430 338265645 367938070 551907105 676531290 699082333 1103814210 1398164666 2097246999 3495411665 4194493998 6990823330 10486234995 20972469990
• Sum of all divisors σ(n): 54748776960
• Sum of proper divisors (its aliquot sum) s(n): 33776306970
• 20972469990 is an abundant number, because the sum of its proper divisors (33776306970) is greater than itself. Its abundance is 12803836980

Bases of 20972469990

• Binary: 10011100010000011100111111011100110₂
• Hexadecimal: 0x4E20E7EE6
• Base-36: 9MUGTEU

Squares and roots of 20972469990

• 20972469990 squared (20972469990²) is 439844497481450600100
• 20972469990 cubed (20972469990³) is 9224625523696353292264740999000
• The square root of 20972469990 is 144818.7487516723
• The cube root of 20972469990 is 2757.7180426555

Scales and comparisons

• 20,972,469,990 seconds is equal to 666 years, 44 weeks, 4 days, 22 hours, 6 minutes, 30 seconds.
• To count from 1 to 20,972,469,990 would take you about one thousand, three hundred thirty-three 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 20972469990 cubic inches would be around 229.8 feet tall.

Recreational maths with 20972469990

• 20972469990 backwards is 09996427902
• 20972469990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20972469990's digits is 57
• More coming soon!