21078752421024

Names of 21078752421024

• Cardinal: 21078752421024 can be written as Twenty-one trillion, seventy-eight billion, seven hundred fifty-two million, four hundred twenty-one thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1078752421024 × 10¹³

Factors of 21078752421024

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 709

Divisors of 21078752421024

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 127 144 216 254 288 381 432 508 577 762 864 1016 1143 1154 1524 1731 2032 2286 2308 3048 3429 3462 4064 4572 4616 5193 6096 6858 6924 9144 9232 10386 12192 13716 13848 15579 18288 18464 20772 27432 27696 31158 36576 41544 54864 55392 62316 73279 83088 109728 124632 146558 166176 219837 249264 293116 332929 439674 498528 586232 659511 665858 879348 998787 1172464 1319022 1331716 1758696 1978533 1997574 2344928 2638044 2663432 2996361 3517392 3957066 3995148 5276088 5326864 5992722 7034784 7914132 7990296 8989083 10552176 10653728 11985444 15828264 15980592 17978166 21104352 23970888 31656528 31961184 35956332 42281983 47941776 63313056 71912664 84563966 95883552 126845949 143825328 169127932 192100033 253691898 287650656 338255864 380537847 384200066 507383796 576300099 676511728 761075694 768400132 1014767592 1141613541 1152600198 1353023456 1522151388 1536800264 1728900297 2029535184 2283227082 2305200396 3044302776 3073600528 3457800594 4059070368 4566454164 4610400792 5186700891 6088605552 6147201056 6915601188 9132908328 9220801584 10373401782 12177211104 13831202376 18265816656 18441603168 20746803564 24396704191 27662404752 36531633312 41493607128 48793408382 55324809504 73190112573 82987214256 97586816764 146380225146 165974428512 195173633528 219570337719 292760450292 390347267056 439140675438 585520900584 658711013157 780694534112 878281350876 1171041801168 1317422026314 1756562701752 2342083602336 2634844052628 3513125403504 5269688105256 7026250807008 10539376210512 21078752421024
• Sum of all divisors σ(n): 62071362662400
• Sum of proper divisors (its aliquot sum) s(n): 40992610241376
• 21078752421024 is an abundant number, because the sum of its proper divisors (40992610241376) is greater than itself. Its abundance is 19913857820352

Bases of 21078752421024

• Binary: 100110010101111000111100011001110010010100000₂
• Hexadecimal: 0x132BC78CE4A0
• Base-36: 7GZG0YCO0

Squares and roots of 21078752421024

• 21078752421024 squared (21078752421024²) is 444313803626825141357208576
• 21078752421024 cubed (21078752421024³) is 9365580663893322560213971300554535501824
• The square root of 21078752421024 is 4591160.2478049053
• The cube root of 21078752421024 is 27623.6863549939

Scales and comparisons

• 21,078,752,421,024 seconds is equal to 670,239 years, 6 weeks, 3 days, 21 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,078,752,421,024 would take you about one million, six hundred seventy-five thousand, five hundred ninety-seven 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 21078752421024 cubic inches would be around 2302 feet tall.

Recreational maths with 21078752421024

• 21078752421024 backwards is 42012425787012
• The number of decimal digits it has is: 14
• The sum of 21078752421024's digits is 45
• More coming soon!