21207407170809200

Names of 21207407170809200

• Cardinal: 21207407170809200 can be written as Twenty-one quadrillion, two hundred seven trillion, four hundred seven billion, one hundred seventy million, eight hundred nine thousand, two hundred.

Scientific notation

• Scientific notation: 2.12074071708092 × 10¹⁶

Factors of 21207407170809200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 130298933

Divisors of 21207407170809200

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 71 80 88 100 110 142 176 200 220 275 284 355 400 440 521 550 568 710 781 880 1042 1100 1136 1420 1562 1775 2084 2200 2605 2840 3124 3550 3905 4168 4400 5210 5680 5731 6248 7100 7810 8336 10420 11462 12496 13025 14200 15620 19525 20840 22924 26050 28400 28655 31240 36991 39050 41680 45848 52100 57310 62480 73982 78100 91696 104200 114620 143275 147964 156200 184955 208400 229240 286550 295928 312400 369910 406901 458480 573100 591856 739820 813802 924775 1146200 1479640 1627604 1849550 2034505 2292400 2959280 3255208 3699100 4069010 6510416 7398200 8138020 10172525 14796400 16276040 20345050 32552080 40690100 81380200 130298323 162760400 260596646 521193292 651491615 1042386584 1302983230 1433281553 2084773168 2605966460 2866563106 3257458075 5211932920 5733126212 6514916150 7166407765 9251180933 10423865840 11466252424 13029832300 14332815530 18502361866 22932504848 26059664600 28665631060 35832038825 37004723732 46255904665 52119329200 57331262120 67885426283 71664077650 74009447464 92511809330 101762990263 114662524240 135770852566 143328155300 148018894928 185023618660 203525980526 231279523325 271541705132 286656310600 339427131415 370047237320 407051961052 462559046650 508814951315 543083410264 573312621200 678854262830 740094474640 746739689113 814103922104 925118093300 1017629902630 1086166820528 1357708525660 1493479378226 1628207844208 1697135657075 1850236186600 2035259805260 2544074756575 2715417051320 2986958756452 3394271314150 3700472373200 3733698445565 4070519610520 4819865266093 5088149513150 5430834102640 5973917512904 6788542628300 7467396891130 8141039221040 9639730532186 10176299026300 11947835025808 13577085256600 14934793782260 18668492227825 19279461064372 20352598052600 24099326330465 27154170513200 29869587564520 37336984455650 38558922128744 40705196105200 48198652660930 53018517927023 59739175129040 74673968911300 77117844257488 96397305321860 106037035854046 120496631652325 149347937822600 192794610643720 212074071708092 240993263304650 265092589635115 298695875645200 385589221287440 424148143416184 481986526609300 530185179270230 848296286832368 963973053218600 1060370358540460 1325462948175575 1927946106437200 2120740717080920 2650925896351150 4241481434161840 5301851792702300 10603703585404600 21207407170809200
• Sum of all divisors σ(n): 56473728636678912
• Sum of proper divisors (its aliquot sum) s(n): 35266321465869712
• 21207407170809200 is an abundant number, because the sum of its proper divisors (35266321465869712) is greater than itself. Its abundance is 14058914295060512

Bases of 21207407170809200

• Binary: 1001011010110000000011001000011000001011110110101110000₂
• Hexadecimal: 0x4B58064305ED70
• Base-36: 5STECCUH10W

Squares and roots of 21207407170809200

• 21207407170809200 squared (21207407170809200²) is 449754118908489476664582804640000
• 21207407170809200 cubed (21207407170809200³) is 9538118726440873334306770740698025674314688000000
• The square root of 21207407170809200 is 145627631.8931582435
• The cube root of 21207407170809200 is 276797.7304557069

Scales and comparisons

• 21,207,407,170,809,200 seconds is equal to 674,329,949 years, 11 weeks, 23 hours, 53 minutes, 20 seconds.
• To count from 1 to 21,207,407,170,809,200 would take you about two billion, twenty-two million, nine hundred eighty-nine thousand, eight hundred forty-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 21207407170809200 cubic inches would be around 23066.5 feet tall.

Recreational maths with 21207407170809200

• 21207407170809200 backwards is 00290807170470212
• 21207407170809200 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21207407170809200's digits is 50
• More coming soon!