21120679936

Names of 21120679936

• Cardinal: 21120679936 can be written as Twenty-one billion, one hundred twenty million, six hundred seventy-nine thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 2.1120679936 × 10¹⁰

Factors of 21120679936

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 169

Divisors of 21120679936

• Number of divisors d(n): 152
• Complete list of divisors:
  1 2 4 8 16 23 31 32 46 62 64 92 113 124 128 184 226 248 256 368 452 496 512 713 736 904 992 1024 1426 1472 1808 1984 2048 2599 2852 2944 3503 3616 3968 4096 5198 5704 5888 7006 7232 7936 8192 10396 11408 11776 14012 14464 15872 16384 20792 22816 23552 28024 28928 31744 32768 41584 45632 47104 56048 57856 63488 65536 80569 83168 91264 94208 112096 115712 126976 131072 161138 166336 182528 188416 224192 231424 253952 262144 322276 332672 365056 376832 448384 462848 507904 644552 665344 730112 753664 896768 925696 1015808 1289104 1330688 1460224 1507328 1793536 1851392 2031616 2578208 2661376 2920448 3014656 3587072 3702784 4063232 5156416 5322752 5840896 6029312 7174144 7405568 8126464 10312832 10645504 11681792 14348288 14811136 20625664 21291008 23363584 28696576 29622272 41251328 42582016 46727168 57393152 82502656 85164032 93454336 114786304 165005312 170328064 186908672 229572608 330010624 340656128 459145216 660021248 681312256 918290432 1320042496 2640084992 5280169984 10560339968 21120679936
• Sum of all divisors σ(n): 45902375424
• Sum of proper divisors (its aliquot sum) s(n): 24781695488
• 21120679936 is an abundant number, because the sum of its proper divisors (24781695488) is greater than itself. Its abundance is 3661015552

Bases of 21120679936

• Binary: 10011101010111001000000000000000000₂
• Hexadecimal: 0x4EAE40000
• Base-36: 9PAPGXS

Squares and roots of 21120679936

• 21120679936 squared (21120679936²) is 446083120958952964096
• 21120679936 cubed (21120679936³) is 9421578822626018948350115577856
• The square root of 21120679936 is 145329.5563056599
• The cube root of 21120679936 is 2764.1989548523

Scales and comparisons

• 21,120,679,936 seconds is equal to 671 years, 29 weeks, 5 days, 7 hours, 32 minutes, 16 seconds.
• To count from 1 to 21,120,679,936 would take you about one thousand, three hundred forty-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 21120679936 cubic inches would be around 230.3 feet tall.

Recreational maths with 21120679936

• 21120679936 backwards is 63997602112
• 21120679936 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21120679936's digits is 46
• More coming soon!