21428942470800

Names of 21428942470800

• Cardinal: 21428942470800 can be written as Twenty-one trillion, four hundred twenty-eight billion, nine hundred forty-two million, four hundred seventy thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14289424708 × 10¹³

Factors of 21428942470800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6464

Divisors of 21428942470800

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 2003 4006 4451 6009 8012 8902 10015 12018 13353 16024 17804 20030 22255 24036 26706 30045 32048 35608 40060 44510 48072 50075 53412 60090 66765 71216 80120 89020 96144 100150 106824 111275 120180 133530 150225 160240 178040 200300 213648 222550 240360 267060 300450 333825 356080 400600 445100 480720 534120 600900 667650 801200 890200 1068240 1201800 1335300 1780400 2403600 2670600 4012009 5341200 8024018 8915353 12036027 16048036 17830706 20060045 24072054 26746059 32096072 35661412 40120090 44576765 48144108 53492118 60180135 64192144 71322824 80240180 89153530 96288216 100300225 106984236 120360270 133730295 142645648 160480360 178307060 192576432 200600450 213968472 222883825 240720540 267460590 300900675 320960720 356614120 401200900 427936944 445767650 481441080 534921180 601801350 668651475 713228240 802401800 891535300 962882160 1069842360 1203602700 1337302950 1604803600 1783070600 2139684720 2407205400 2674605900 3566141200 4814410800 5349211800 10698423600 17857452059 35714904118 53572356177 71429808236 89287260295 107144712354 142859616472 178574520590 214289424708 267861780885 285719232944 357149041180 428578849416 446436301475 535723561770 714298082360 857157698832 892872602950 1071447123540 1339308904425 1428596164720 1785745205900 2142894247080 2678617808850 3571490411800 4285788494160 5357235617700 7142980823600 10714471235400 21428942470800
• Sum of all divisors σ(n): 68693763307344
• Sum of proper divisors (its aliquot sum) s(n): 47264820836544
• 21428942470800 is an abundant number, because the sum of its proper divisors (47264820836544) is greater than itself. Its abundance is 25835878365744

Bases of 21428942470800

• Binary: 100110111110101010000100000001111111010010000₂
• Hexadecimal: 0x137D5080FE90
• Base-36: 7LGBJ2GEO

Squares and roots of 21428942470800

• 21428942470800 squared (21428942470800²) is 459199575416856008852640000
• 21428942470800 cubed (21428942470800³) is 9840161284223593342310518074702912000000
• The square root of 21428942470800 is 4629140.5758304641
• The cube root of 21428942470800 is 27775.8215281385

Scales and comparisons

• 21,428,942,470,800 seconds is equal to 681,374 years, 4 weeks, 3 days, 11 hours, 40 minutes.
• To count from 1 to 21,428,942,470,800 would take you about one million, seven hundred three thousand, four hundred thirty-five 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 21428942470800 cubic inches would be around 2314.7 feet tall.

Recreational maths with 21428942470800

• 21428942470800 backwards is 00807424982412
• The number of decimal digits it has is: 14
• The sum of 21428942470800's digits is 51
• More coming soon!