21117106880

Names of 21117106880

• Cardinal: 21117106880 can be written as Twenty-one billion, one hundred seventeen million, one hundred six thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.111710688 × 10¹⁰

Factors of 21117106880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4944

Divisors of 21117106880

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 61 64 80 122 160 233 244 305 320 466 488 610 932 976 1165 1220 1864 1952 2330 2440 3728 3904 4643 4660 4880 7456 9286 9320 9760 14213 14912 18572 18640 19520 23215 28426 37144 37280 46430 56852 71065 74288 74560 92860 113704 142130 148576 185720 227408 283223 284260 297152 371440 454816 566446 568520 742880 909632 1081819 1132892 1137040 1416115 1485760 2163638 2265784 2274080 2832230 4327276 4531568 4548160 5409095 5664460 8654552 9063136 10818190 11328920 17309104 18126272 21636380 22657840 34618208 43272760 45315680 65990959 69236416 86545520 90631360 131981918 173091040 263963836 329954795 346182080 527927672 659909590 1055855344 1319819180 2111710688 2639638360 4223421376 5279276720 10558553440 21117106880
• Sum of all divisors σ(n): 51339865824
• Sum of proper divisors (its aliquot sum) s(n): 30222758944
• 21117106880 is an abundant number, because the sum of its proper divisors (30222758944) is greater than itself. Its abundance is 9105652064

Bases of 21117106880

• Binary: 10011101010101011010111101011000000₂
• Hexadecimal: 0x4EAAD7AC0
• Base-36: 9P8KVY8

Squares and roots of 21117106880

• 21117106880 squared (21117106880²) is 445932202981343334400
• 21117106880 cubed (21117106880³) is 9416797991590881838500380672000
• The square root of 21117106880 is 145317.2628423753
• The cube root of 21117106880 is 2764.0430698035

Scales and comparisons

• 21,117,106,880 seconds is equal to 671 years, 23 weeks, 5 days, 23 hours, 1 minute, 20 seconds.
• To count from 1 to 21,117,106,880 would take you about one thousand, three hundred forty-two 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 21117106880 cubic inches would be around 230.3 feet tall.

Recreational maths with 21117106880

• 21117106880 backwards is 08860171112
• The number of decimal digits it has is: 11
• The sum of 21117106880's digits is 35
• More coming soon!