21080407654400

Names of 21080407654400

• Cardinal: 21080407654400 can be written as Twenty-one trillion, eighty billion, four hundred seven million, six hundred fifty-four thousand, four hundred.

Scientific notation

• Scientific notation: 2.10804076544 × 10¹³

Factors of 21080407654400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 3137

Divisors of 21080407654400

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 131 160 200 256 262 320 400 512 524 640 655 800 1024 1048 1280 1310 1600 2048 2096 2560 2620 2999 3200 3275 4096 4192 5120 5240 5998 6400 6550 8192 8384 10240 10480 11996 12800 13100 14995 16384 16768 17161 20480 20960 23992 25600 26200 29990 33536 34322 40960 41920 47984 51200 52400 59980 67072 68644 74975 81920 83840 85805 95968 102400 104800 119960 134144 137288 149950 167680 171610 191936 204800 209600 239920 268288 274576 299900 335360 343220 383872 392869 409600 419200 429025 479840 536576 549152 599800 670720 686440 767744 785738 838400 858050 959680 1073152 1098304 1199600 1341440 1372880 1535488 1571476 1676800 1716100 1919360 1964345 2146304 2196608 2399200 2682880 2745760 3070976 3142952 3353600 3432200 3838720 3928690 4393216 4798400 5365760 5491520 6141952 6285904 6707200 6864400 7677440 7857380 8786432 9596800 9821725 10731520 10983040 12283904 12571808 13414400 13728800 15354880 15714760 17572864 19193600 19643450 21966080 24567808 25143616 26828800 27457600 30709760 31429520 35145728 38387200 39286900 43932160 49135616 50287232 51465839 53657600 54915200 61419520 62859040 70291456 76774400 78573800 87864320 100574464 102931678 109830400 122839040 125718080 140582912 153548800 157147600 175728640 201148928 205863356 219660800 245678080 251436160 257329195 281165824 307097600 314295200 351457280 402297856 411726712 439321600 502872320 514658390 614195200 628590400 702914560 804595712 823453424 878643200 1005744640 1029316780 1228390400 1257180800 1286645975 1405829120 1609191424 1646906848 1757286400 2011489280 2058633560 2514361600 2573291950 3218382848 3293813696 3514572800 4022978560 4117267120 5028723200 5146583900 6436765696 6587627392 7029145600 8045957120 8234534240 10057446400 10293167800 13175254784 16091914240 16469068480 20114892800 20586335600 26350509568 32183828480 32938136960 40229785600 41172671200 52701019136 65876273920 80459571200 82345342400 105402038272 131752547840 160919142400 164690684800 210804076544 263505095680 329381369600 421608153088 527010191360 658762739200 843216306176 1054020382720 1317525478400 2108040765440 2635050956800 4216081530880 5270101913600 10540203827200 21080407654400
• Sum of all divisors σ(n): 52697494983000
• Sum of proper divisors (its aliquot sum) s(n): 31617087328600
• 21080407654400 is an abundant number, because the sum of its proper divisors (31617087328600) is greater than itself. Its abundance is 10536679674200

Bases of 21080407654400

• Binary: 100110010110000101010001101011100000000000000₂
• Hexadecimal: 0x132C2A35C000
• Base-36: 7H07EFQWW

Squares and roots of 21080407654400

• 21080407654400 squared (21080407654400²) is 444383586875686109839360000
• 21080407654400 cubed (21080407654400³) is 9367787166263940851109403698397184000000
• The square root of 21080407654400 is 4591340.5073464111
• The cube root of 21080407654400 is 27624.4093966921

Scales and comparisons

• 21,080,407,654,400 seconds is equal to 670,291 years, 39 weeks, 2 days, 16 hours, 53 minutes, 20 seconds.
• To count from 1 to 21,080,407,654,400 would take you about one million, six hundred seventy-five thousand, seven hundred twenty-nine 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 21080407654400 cubic inches would be around 2302 feet tall.

Recreational maths with 21080407654400

• 21080407654400 backwards is 00445670408012
• The number of decimal digits it has is: 14
• The sum of 21080407654400's digits is 41
• More coming soon!