21131626044640

Names of 21131626044640

• Cardinal: 21131626044640 can be written as Twenty-one trillion, one hundred thirty-one billion, six hundred twenty-six million, forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.113162604464 × 10¹³

Factors of 21131626044640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8116

Divisors of 21131626044640

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 32 40 58 71 80 116 142 145 160 232 284 290 355 464 568 580 710 928 1136 1160 1420 2059 2272 2320 2840 4118 4640 5680 8009 8236 10295 11360 16018 16472 20590 32036 32944 40045 41180 64072 65888 80090 82360 128144 160180 164720 232261 256288 320360 329440 464522 568639 640720 929044 1137278 1161305 1281440 1858088 2274556 2322610 2843195 3716176 4549112 4645220 5686390 7432352 9098224 9290440 11372780 16490531 18196448 18580880 22745560 32981062 37161760 45491120 64144081 65962124 82452655 90982240 128288162 131924248 164905310 256576324 263848496 320720405 329810620 513152648 527696992 641440810 659621240 1026305296 1282881620 1319242480 1860178349 2052610592 2565763240 2638484960 3720356698 4554229751 5131526480 7440713396 9108459502 9300891745 10263052960 14881426792 18216919004 18601783490 22771148755 29762853584 36433838008 37203566980 45542297510 59525707168 72867676016 74407133960 91084595020 132072662779 145735352032 148814267920 182169190040 264145325558 297628535840 364338380080 528290651116 660363313895 728676760160 1056581302232 1320726627790 2113162604464 2641453255580 4226325208928 5282906511160 10565813022320 21131626044640
• Sum of all divisors σ(n): 52378899259680
• Sum of proper divisors (its aliquot sum) s(n): 31247273215040
• 21131626044640 is an abundant number, because the sum of its proper divisors (31247273215040) is greater than itself. Its abundance is 10115647170400

Bases of 21131626044640

• Binary: 100110011100000010111000100000101110011100000₂
• Hexadecimal: 0x133817105CE0
• Base-36: 7HNQGJLR4

Squares and roots of 21131626044640

• 21131626044640 squared (21131626044640²) is 446545619290507571272729600
• 21131626044640 cubed (21131626044640³) is 9436235038719187791431923887944249344000
• The square root of 21131626044640 is 4596914.8398289913
• The cube root of 21131626044640 is 27646.7640154715

Scales and comparisons

• 21,131,626,044,640 seconds is equal to 671,920 years, 17 weeks, 6 days, 3 hours, 30 minutes, 40 seconds.
• To count from 1 to 21,131,626,044,640 would take you about one million, six hundred seventy-nine thousand, eight hundred 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 21131626044640 cubic inches would be around 2303.9 feet tall.

Recreational maths with 21131626044640

• 21131626044640 backwards is 04644062613112
• 21131626044640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21131626044640's digits is 40
• More coming soon!