21100541472

Names of 21100541472

• Cardinal: 21100541472 can be written as Twenty-one billion, one hundred million, five hundred forty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1100541472 × 10¹⁰

Factors of 21100541472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 51257

Divisors of 21100541472

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 53 54 72 81 96 106 108 144 159 162 212 216 243 288 318 324 424 432 477 486 636 648 848 864 954 972 1272 1296 1431 1696 1908 1944 2544 2592 2862 3816 3888 4293 5088 5724 7632 7776 8586 11448 12879 15264 17172 22896 25758 34344 45792 51199 51516 68688 102398 103032 137376 153597 204796 206064 307194 409592 412128 460791 614388 819184 921582 1228776 1382373 1638368 1843164 2457552 2713547 2764746 3686328 4147119 4915104 5427094 5529492 7372656 8140641 8294238 10854188 11058984 12441357 14745312 16281282 16588476 21708376 22117968 24421923 24882714 32562564 33176952 43416752 44235936 48843846 49765428 65125128 66353904 73265769 86833504 97687692 99530856 130250256 132707808 146531538 195375384 199061712 219797307 260500512 293063076 390750768 398123424 439594614 586126152 659391921 781501536 879189228 1172252304 1318783842 1758378456 2344504608 2637567684 3516756912 5275135368 7033513824 10550270736 21100541472
• Sum of all divisors σ(n): 63402393600
• Sum of proper divisors (its aliquot sum) s(n): 42301852128
• 21100541472 is an abundant number, because the sum of its proper divisors (42301852128) is greater than itself. Its abundance is 21201310656

Bases of 21100541472

• Binary: 10011101001101100001011011000100000₂
• Hexadecimal: 0x4E9B0B620
• Base-36: 9OYPU00

Squares and roots of 21100541472

• 21100541472 squared (21100541472²) is 445232850411591926784
• 21100541472 cubed (21100541472³) is 9394654224806567720646179586048
• The square root of 21100541472 is 145260.2542748703
• The cube root of 21100541472 is 2763.3201254563

Scales and comparisons

• 21,100,541,472 seconds is equal to 670 years, 48 weeks, 3 days, 5 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,100,541,472 would take you about one thousand, three hundred forty-one 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 21100541472 cubic inches would be around 230.3 feet tall.

Recreational maths with 21100541472

• 21100541472 backwards is 27414500112
• 21100541472 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21100541472's digits is 27
• More coming soon!