72998896420

Names of 72998896420

• Cardinal: 72998896420 can be written as Seventy-two billion, nine hundred ninety-eight million, eight hundred ninety-six thousand, four hundred twenty.

Scientific notation

• Scientific notation: 7.299889642 × 10¹⁰

Factors of 72998896420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 532

Divisors of 72998896420

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 19 20 38 61 76 95 122 127 137 181 190 244 254 274 305 362 380 508 548 610 635 685 724 905 1159 1220 1270 1370 1810 2318 2413 2540 2603 2740 3439 3620 4636 4826 5206 5795 6878 7747 8357 9652 10412 11041 11590 12065 13015 13756 15494 16714 17195 17399 22082 22987 23180 24130 24797 26030 30988 33428 34390 34798 38735 41785 44164 45974 48260 49594 52060 55205 68780 69596 77470 83570 86995 91948 99188 110410 114935 123985 147193 154940 158783 167140 173990 209779 220820 229870 247970 294386 317566 330581 347980 419558 436753 459740 471143 495940 588772 635132 661162 735965 793915 839116 873506 942286 1048895 1061339 1322324 1402207 1471930 1512617 1587830 1652905 1747012 1884572 2097790 2122678 2183765 2355715 2804414 2943860 3025234 3149219 3175660 3305810 4195580 4245356 4367530 4711430 5306695 5608828 6050468 6298438 6611620 7011035 7563085 8735060 9422860 10613390 12596876 14022070 15126170 15746095 20165441 21226780 26641933 28044140 28739723 30252340 31492190 40330882 53283866 57479446 59835161 62984380 80661764 100827205 106567732 114958892 119670322 133209665 143698615 192102359 201654410 239340644 266419330 287397230 299175805 384204718 403308820 532838660 574794460 598351610 768409436 960511795 1196703220 1921023590 3649944821 3842047180 7299889642 14599779284 18249724105 36499448210 72998896420
• Sum of all divisors σ(n): 167429283840
• Sum of proper divisors (its aliquot sum) s(n): 94430387420
• 72998896420 is an abundant number, because the sum of its proper divisors (94430387420) is greater than itself. Its abundance is 21431491000

Bases of 72998896420

• Binary: 1000011111111000100101100001100100100₂
• Hexadecimal: 0x10FF12C324
• Base-36: XJ9NOYS

Squares and roots of 72998896420

• 72998896420 squared (72998896420²) is 5328838878537888816400
• 72998896420 cubed (72998896420³) is 388999357333256306753859997288000
• The square root of 72998896420 is 270183.0794479923
• The cube root of 72998896420 is 4179.3181358407

Scales and comparisons

• 72,998,896,420 seconds is equal to 2,321 years, 7 weeks, 1 day, 15 hours, 13 minutes, 40 seconds.
• To count from 1 to 72,998,896,420 would take you about four thousand, six hundred forty-two 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 72998896420 cubic inches would be around 348.3 feet tall.

Recreational maths with 72998896420

• 72998896420 backwards is 02469889927
• The number of decimal digits it has is: 11
• The sum of 72998896420's digits is 64
• More coming soon!