21409629638400

Names of 21409629638400

• Cardinal: 21409629638400 can be written as Twenty-one trillion, four hundred nine billion, six hundred twenty-nine million, six hundred thirty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.14096296384 × 10¹³

Factors of 21409629638400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 729

Divisors of 21409629638400

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 256 288 300 320 360 384 400 450 480 576 600 640 719 720 768 800 900 960 1152 1200 1280 1438 1440 1600 1800 1920 2157 2304 2400 2876 2880 3200 3595 3600 3840 4314 4800 5752 5760 6400 6471 7190 7200 8628 9600 10785 11504 11520 12942 14380 14400 17256 17975 19200 21570 23008 25884 28760 28800 32355 34512 35950 43140 46016 51768 53925 57520 57600 64710 69024 71900 86280 92032 103536 107850 115040 129420 138048 143800 161775 172560 184064 207072 215700 230080 258840 276096 287600 323550 345120 414144 431400 460160 516961 517680 552192 575200 647100 690240 828288 862800 920320 1033922 1035360 1150400 1294200 1380480 1550883 1656576 1725600 2067844 2070720 2300800 2584805 2588400 2760960 3101766 3451200 4135688 4141440 4601600 4652649 5169610 5176800 6203532 6902400 7754415 8271376 8282880 9305298 10339220 10353600 12407064 12924025 13804800 15508830 16542752 18610596 20678440 20707200 23263245 24814128 25848050 31017660 33085504 37221192 38772075 41356880 41414400 46526490 49628256 51696100 62035320 66171008 74442384 77544150 82713760 93052980 99256512 103392200 116316225 124070640 132342016 148884768 155088300 165427520 186105960 198513024 206784400 232632450 248141280 297769536 310176600 330855040 371694959 372211920 397026048 413568800 465264900 496282560 595539072 620353200 661710080 743389918 744423840 827137600 930529800 992565120 1115084877 1191078144 1240706400 1486779836 1488847680 1654275200 1858474795 1861059600 1985130240 2230169754 2481412800 2973559672 2977695360 3308550400 3345254631 3716949590 3722119200 4460339508 4962825600 5575424385 5947119344 5955390720 6690509262 7433899180 7444238400 8920679016 9292373975 9925651200 11150848770 11894238688 13381018524 14867798360 14888476800 16726273155 17841358032 18584747950 22301697540 23788477376 26762037048 27877121925 29735596720 29776953600 33452546310 35682716064 37169495900 44603395080 47576954752 53524074096 55754243850 59471193440 66905092620 71365432128 74338991800 83631365775 89206790160 95153909504 107048148192 111508487700 118942386880 133810185240 142730864256 148677983600 167262731550 178413580320 214096296384 223016975400 237884773760 267620370480 285461728512 297355967200 334525463100 356827160640 428192592768 446033950800 475769547520 535240740960 594711934400 669050926200 713654321280 856385185536 892067901600 1070481481920 1189423868800 1338101852400 1427308642560 1784135803200 2140962963840 2378847737600 2676203704800 3568271606400 4281925927680 5352407409600 7136543212800 10704814819200 21409629638400
• Sum of all divisors σ(n): 76650865593120
• Sum of proper divisors (its aliquot sum) s(n): 55241235954720
• 21409629638400 is an abundant number, because the sum of its proper divisors (55241235954720) is greater than itself. Its abundance is 33831606316320

Bases of 21409629638400

• Binary: 100110111100011010001010111101000111100000000₂
• Hexadecimal: 0x1378D15E8F00
• Base-36: 7L7G4PFK0

Squares and roots of 21409629638400

• 21409629638400 squared (21409629638400²) is 458372241253455714754560000
• 21409629638400 cubed (21409629638400³) is 9813579921759820637031083957551104000000
• The square root of 21409629638400 is 4627054.0993595483
• The cube root of 21409629638400 is 27767.4747012581

Scales and comparisons

• 21,409,629,638,400 seconds is equal to 680,759 years, 51 weeks, 6 days, 8 hours.
• To count from 1 to 21,409,629,638,400 would take you about one million, seven hundred one thousand, eight hundred ninety-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 21409629638400 cubic inches would be around 2314 feet tall.

Recreational maths with 21409629638400

• 21409629638400 backwards is 00483692690412
• The number of decimal digits it has is: 14
• The sum of 21409629638400's digits is 54
• More coming soon!