21671744691740

Names of 21671744691740

• Cardinal: 21671744691740 can be written as Twenty-one trillion, six hundred seventy-one billion, seven hundred forty-four million, six hundred ninety-one thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.167174469174 × 10¹³

Factors of 21671744691740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6866

Divisors of 21671744691740

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 911 1430 1822 2287 2860 3637 3644 4555 4574 7274 9110 9148 10021 11435 11843 14548 18185 18220 20042 22870 23686 25157 29731 36370 40007 40084 45740 47281 47372 50105 50314 59215 59462 72740 80014 94562 100210 100628 118430 118924 125785 130273 148655 160028 189124 200035 200420 236405 236860 251570 260546 297310 327041 400070 472810 503140 520091 521092 594620 651365 654082 800140 945620 1040182 1302730 1308164 1635205 2080364 2083457 2600455 2605460 3270410 3313307 4166914 5200910 6540820 6626614 8317819 8333828 10401820 10417285 13253228 16566535 16635638 20834570 22918027 27084941 33133070 33271276 36446377 41589095 41669140 43072991 45836054 54169882 66266140 72892754 83178190 86145982 91496009 91672108 108131647 108339764 114590135 135424705 145785508 166356380 172291964 182231885 182992018 215364955 216263294 229180270 270849410 297934351 364463770 365984036 430729910 432526588 457480045 458360540 473802901 540658235 541698820 595868702 728927540 861459820 914960090 947605802 1081316470 1189448117 1191737404 1489671755 1829920180 1895211604 2162632940 2369014505 2378896234 2979343510 4738029010 4757792468 5947240585 5958687020 7577533109 9476058020 11894481170 15155066218 23788962340 30310132436 37887665545 75775331090 83352864199 98507930417 151550662180 166705728398 197015860834 333411456796 394031721668 416764320995 492539652085 833528641990 985079304170 1083587234587 1667057283980 1970158608340 2167174469174 4334348938348 5417936172935 10835872345870 21671744691740
• Sum of all divisors σ(n): 53563891949568
• Sum of proper divisors (its aliquot sum) s(n): 31892147257828
• 21671744691740 is an abundant number, because the sum of its proper divisors (31892147257828) is greater than itself. Its abundance is 10220402566088

Bases of 21671744691740

• Binary: 100111011010111011000101001001101111000011100₂
• Hexadecimal: 0x13B5D8A4DE1C
• Base-36: 7OJV18P3W

Squares and roots of 21671744691740

• 21671744691740 squared (21671744691740²) is 469664517983960867624227600
• 21671744691740 cubed (21671744691740³) is 10178449524517529699395239315317600024000
• The square root of 21671744691740 is 4655292.1166925713
• The cube root of 21671744691740 is 27880.3331258007

Scales and comparisons

• 21,671,744,691,740 seconds is equal to 689,094 years, 23 weeks, 1 day, 9 hours, 2 minutes, 20 seconds.
• To count from 1 to 21,671,744,691,740 would take you about one million, seven hundred twenty-two thousand, seven hundred thirty-six 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 21671744691740 cubic inches would be around 2323.4 feet tall.

Recreational maths with 21671744691740

• 21671744691740 backwards is 04719644717612
• The number of decimal digits it has is: 14
• The sum of 21671744691740's digits is 59
• More coming soon!