21096409900251280

Names of 21096409900251280

• Cardinal: 21096409900251280 can be written as Twenty-one quadrillion, ninety-six trillion, four hundred nine billion, nine hundred million, two hundred fifty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.109640990025128 × 10¹⁶

Factors of 21096409900251280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7795336

Divisors of 21096409900251280

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 76 79 80 95 112 133 140 152 158 190 266 280 304 316 380 395 532 553 560 632 665 760 790 1064 1106 1264 1330 1501 1520 1580 2128 2212 2660 2765 3002 3160 3221 4424 5320 5530 6004 6320 6442 7505 8848 10507 10640 11060 12008 12884 15010 16105 21014 22120 22547 24016 25768 30020 32210 42028 44240 45094 51536 52535 60040 61199 64420 84056 90188 105070 112735 120080 122398 128840 168112 180376 210140 225470 244796 254459 257680 305995 360752 420280 428393 450940 489592 508918 611990 840560 856786 901880 979184 1017836 1223980 1272295 1713572 1781213 1803760 2035672 2141965 2447960 2544590 3427144 3562426 4071344 4283930 4834721 4895920 5089180 6854288 7124852 7792003 8567860 8906065 9669442 10178360 14249704 15584006 17135720 17812130 19338884 20356720 24173605 28499408 31168012 33843047 34271440 35624260 38677768 38960015 48347210 54544021 62336024 67686094 71248520 77355536 77920030 96694420 109088042 124672048 135372188 142497040 148048057 155840060 169215235 193388840 218176084 270744376 272720105 296096114 311680120 338430470 386777680 436352168 541488752 545440210 592192228 615568237 623360240 676860940 740240285 872704336 1036336399 1090880420 1184384456 1231136474 1353721880 1480480570 2072672798 2181760840 2368768912 2462272948 2707443760 2960961140 3077841185 4145345596 4308977659 4363521680 4924545896 5181681995 5921922280 6155682370 8290691192 8617955318 9849091792 10363363990 11695796503 11843844560 12311364740 16581382384 17235910636 20726727980 21544888295 23391593006 24622729480 25098041663 34471821272 41453455960 43089776590 46783186012 49245458960 50196083326 58478982515 68943642544 81870575521 82906911920 86179553180 93566372024 100392166652 116957965030 125490208315 163741151042 172359106360 175686291641 187132744048 200784333304 233915930060 250980416630 327482302084 344718212720 351372583282 401568666608 409352877605 467831860120 476862791597 501960833260 654964604168 702745166564 818705755210 878431458205 935663720240 953725583194 1003921666520 1309929208336 1405490333128 1637411510420 1756862916410 1907451166388 1982745291377 2007843333040 2384313957985 2810980666256 3274823020840 3338039541179 3513725832820 3814902332776 3965490582754 4768627915970 6549646041680 6676079082358 7027451665640 7629804665552 7930981165508 9537255831940 9913726456885 13352158164716 13879217039639 14054903331280 15861962331016 16690197705895 19074511663880 19827452913770 26704316329432 27758434079278 31723924662032 33380395411790 37672160536163 38149023327760 39654905827540 53408632658864 55516868158556 66760790823580 69396085198195 75344321072326 79309811655080 111033736317112 133521581647160 138792170396390 150688642144652 158619623310160 188360802680815 222067472634224 263705123753141 267043163294320 277584340792780 301377284289304 376721605361630 527410247506282 555168681585560 602754568578608 753443210723260 1054820495012564 1110337363171120 1318525618765705 1506886421446520 2109640990025128 2637051237531410 3013772842893040 4219281980050256 5274102475062820 10548204950125640 21096409900251280
• Sum of all divisors σ(n): 59771976462950400
• Sum of proper divisors (its aliquot sum) s(n): 38675566562699120
• 21096409900251280 is an abundant number, because the sum of its proper divisors (38675566562699120) is greater than itself. Its abundance is 17579156662447840

Bases of 21096409900251280

• Binary: 1001010111100110001001010110010001000111111100010010000₂
• Hexadecimal: 0x4AF312B223F890
• Base-36: 5RQ1WWXG3V4

Squares and roots of 21096409900251280

• 21096409900251280 squared (21096409900251280²) is 445058510679420221759407141638400
• 21096409900251280 cubed (21096409900251280³) is 9389136770888410795148876954314747806710897152000
• The square root of 21096409900251280 is 145246032.3046770183
• The cube root of 21096409900251280 is 276313.9757247845

Scales and comparisons

• 21,096,409,900,251,280 seconds is equal to 670,800,579 years, 18 weeks, 12 hours, 54 minutes, 40 seconds.
• To count from 1 to 21,096,409,900,251,280 would take you about two billion, twelve million, four hundred one thousand, seven hundred thirty-eight 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 21096409900251280 cubic inches would be around 23026.2 feet tall.

Recreational maths with 21096409900251280

• 21096409900251280 backwards is 08215200990469012
• The number of decimal digits it has is: 17
• The sum of 21096409900251280's digits is 58
• More coming soon!