21062072080

Names of 21062072080

• Cardinal: 21062072080 can be written as Twenty-one billion, sixty-two million, seventy-two thousand and eighty.

Scientific notation

• Scientific notation: 2.106207208 × 10¹⁰

Factors of 21062072080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1213298

Divisors of 21062072080

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 80 112 124 140 155 217 248 280 310 434 496 560 620 868 1085 1240 1736 2170 2480 3472 4340 8680 17360 1213253 2426506 4853012 6066265 8492771 9706024 12132530 16985542 19412048 24265060 33971084 37610843 42463855 48530120 67942168 75221686 84927710 97060240 135884336 150443372 169855420 188054215 263275901 300886744 339710840 376108430 526551802 601773488 679421680 752216860 1053103604 1316379505 1504433720 2106207208 2632759010 3008867440 4212414416 5265518020 10531036040 21062072080
• Sum of all divisors σ(n): 57770302464
• Sum of proper divisors (its aliquot sum) s(n): 36708230384
• 21062072080 is an abundant number, because the sum of its proper divisors (36708230384) is greater than itself. Its abundance is 15646158304

Bases of 21062072080

• Binary: 10011100111011001011011011100010000₂
• Hexadecimal: 0x4E765B710
• Base-36: 9OBTATS

Squares and roots of 21062072080

• 21062072080 squared (21062072080²) is 443610880303115526400
• 21062072080 cubed (21062072080³) is 9343364336416471465603942912000
• The square root of 21062072080 is 145127.7784574685
• The cube root of 21062072080 is 2761.6397908083

Scales and comparisons

• 21,062,072,080 seconds is equal to 669 years, 36 weeks, 5 days, 23 hours, 34 minutes, 40 seconds.
• To count from 1 to 21,062,072,080 would take you about one thousand, three hundred thirty-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 21062072080 cubic inches would be around 230.1 feet tall.

Recreational maths with 21062072080

• 21062072080 backwards is 08027026012
• 21062072080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21062072080's digits is 28
• More coming soon!