21120839879384

Names of 21120839879384

• Cardinal: 21120839879384 can be written as Twenty-one trillion, one hundred twenty billion, eight hundred thirty-nine million, eight hundred seventy-nine thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1120839879384 × 10¹³

Factors of 21120839879384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2599290

Divisors of 21120839879384

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 28 31 56 62 124 151 217 248 302 434 604 868 961 1057 1208 1736 1922 2114 3844 4228 4681 6727 7688 8456 9362 13454 18724 26908 32767 37448 53816 65534 131068 145111 262136 290222 580444 1015777 1160888 2031554 2599099 4063108 5198198 8126216 10396396 18193693 20792792 36387386 72774772 80572069 145549544 161144138 322288276 392463949 564004483 644576552 784927898 1128008966 1569855796 2256017932 2497734139 2747247643 3139711592 4512035864 4995468278 5494495286 9990936556 10988990572 12166382419 17484138973 19981873112 21977981144 24332764838 34968277946 48665529676 69936555892 85164676933 97331059352 139873111784 170329353866 340658707732 377157854989 681317415464 754315709978 1508631419956 2640104984923 3017262839912 5280209969846 10560419939692 21120839879384
• Sum of all divisors σ(n): 47075730912000
• Sum of proper divisors (its aliquot sum) s(n): 25954891032616
• 21120839879384 is an abundant number, because the sum of its proper divisors (25954891032616) is greater than itself. Its abundance is 4834051153232

Bases of 21120839879384

• Binary: 100110011010110010100001010001000101011011000₂
• Hexadecimal: 0x133594288AD8
• Base-36: 7HIS2QNDK

Squares and roots of 21120839879384

• 21120839879384 squared (21120839879384²) is 446089877210577539668219456
• 21120839879384 cubed (21120839879384³) is 9421792868378677893295095690441082095104
• The square root of 21120839879384 is 4595741.4939685195
• The cube root of 21120839879384 is 27642.0593244053

Scales and comparisons

• 21,120,839,879,384 seconds is equal to 671,577 years, 19 weeks, 4 days, 6 hours, 29 minutes, 44 seconds.
• To count from 1 to 21,120,839,879,384 would take you about one million, six hundred seventy-eight thousand, nine 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 21120839879384 cubic inches would be around 2303.5 feet tall.

Recreational maths with 21120839879384

• 21120839879384 backwards is 48397893802112
• The number of decimal digits it has is: 14
• The sum of 21120839879384's digits is 65
• More coming soon!