21107871172352

Names of 21107871172352

• Cardinal: 21107871172352 can be written as Twenty-one trillion, one hundred seven billion, eight hundred seventy-one million, one hundred seventy-two thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1107871172352 × 10¹³

Factors of 21107871172352

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 70167

Divisors of 21107871172352

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 64 79 128 158 256 316 632 1264 2528 5056 10112 20224 21467 42934 48619 85868 97238 171736 194476 343472 388952 686944 777904 1373888 1555808 1695893 2747776 3111616 3391786 3840901 5495552 6223232 6783572 7681802 12446464 13567144 15363604 27134288 30727208 54268576 61454416 108537152 122908832 217074304 245817664 434148608 491635328 983270656 1043704073 2087408146 4174816292 8349632584 16699265168 33398530336 66797060672 82452621767 133594121344 164905243534 267188242688 329810487068 659620974136 1319241948272 2638483896544 5276967793088 10553935586176 21107871172352
• Sum of all divisors σ(n): 42669487660800
• Sum of proper divisors (its aliquot sum) s(n): 21561616488448
• 21107871172352 is an abundant number, because the sum of its proper divisors (21561616488448) is greater than itself. Its abundance is 453745316096

Bases of 21107871172352

• Binary: 100110011001010001111001010011100011100000000₂
• Hexadecimal: 0x13328F29C700
• Base-36: 7HCTLI8ZK

Squares and roots of 21107871172352

• 21107871172352 squared (21107871172352²) is 445542225428608594889211904
• 21107871172352 cubed (21107871172352³) is 9404447896190083567484292707641834078208
• The square root of 21107871172352 is 4594330.3290416547
• The cube root of 21107871172352 is 27636.4005348183

Scales and comparisons

• 21,107,871,172,352 seconds is equal to 671,165 years, 4 days, 11 hours, 52 minutes, 32 seconds.
• To count from 1 to 21,107,871,172,352 would take you about one million, six hundred seventy-seven thousand, nine hundred twelve 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 21107871172352 cubic inches would be around 2303 feet tall.

Recreational maths with 21107871172352

• 21107871172352 backwards is 25327117870112
• The number of decimal digits it has is: 14
• The sum of 21107871172352's digits is 47
• More coming soon!