213121224720

Names of 213121224720

• Cardinal: 213121224720 can be written as Two hundred thirteen billion, one hundred twenty-one million, two hundred twenty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.1312122472 × 10¹¹

Factors of 213121224720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 71812

Divisors of 213121224720

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 4391 8782 13173 17564 21955 26346 35128 39519 43910 52692 65865 67411 70256 79038 87820 105384 131730 134822 158076 175640 197595 202233 210768 263460 269644 316152 337055 351280 395190 404466 526920 539288 606699 632304 674110 790380 808932 1011165 1053840 1078576 1213398 1348220 1580760 1617864 2022330 2426796 2696440 3033495 3161520 3235728 4044660 4853592 5392880 6066990 8089320 9707184 12133980 16178640 24267960 48535920 296001701 592003402 888005103 1184006804 1480008505 1776010206 2368013608 2664015309 2960017010 3552020412 4440025515 4736027216 5328030618 5920034020 7104040824 8880051030 10656061236 11840068040 13320076545 14208081648 17760102060 21312122472 23680136080 26640153090 35520204120 42624244944 53280306180 71040408240 106560612360 213121224720
• Sum of all divisors σ(n): 715905732672
• Sum of proper divisors (its aliquot sum) s(n): 502784507952
• 213121224720 is an abundant number, because the sum of its proper divisors (502784507952) is greater than itself. Its abundance is 289663283232

Bases of 213121224720

• Binary: 11000110011111000000111101000000010000₂
• Hexadecimal: 0x319F03D010
• Base-36: 2PWMVHG0

Squares and roots of 213121224720

• 213121224720 squared (213121224720²) is 45420656426152739078400
• 213121224720 cubed (213121224720³) is 9680105925128009990171212098048000
• The square root of 213121224720 is 461650.5439398939
• The cube root of 213121224720 is 5973.2253709307

Scales and comparisons

• 213,121,224,720 seconds is equal to 6,776 years, 30 weeks, 6 days, 20 hours, 12 minutes.
• To count from 1 to 213,121,224,720 would take you about thirteen thousand, five hundred fifty-three 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 213121224720 cubic inches would be around 497.8 feet tall.

Recreational maths with 213121224720

• 213121224720 backwards is 027422121312
• The number of decimal digits it has is: 12
• The sum of 213121224720's digits is 27
• More coming soon!