21310016544

Names of 21310016544

• Cardinal: 21310016544 can be written as Twenty-one billion, three hundred ten million, sixteen thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 2.1310016544 × 10¹⁰

Factors of 21310016544

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 9443

Divisors of 21310016544

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 971 1296 1942 2592 2913 3884 5826 7768 8467 8739 11652 15536 16934 17478 23304 25401 26217 31072 33868 34956 46608 50802 52434 67736 69912 76203 78651 93216 101604 104868 135472 139824 152406 157302 203208 209736 228609 270944 279648 304812 314604 406416 419472 457218 609624 629208 685827 812832 838944 914436 1219248 1258416 1371654 1828872 2438496 2516832 2743308 3657744 5486616 7315488 8221457 10973232 16442914 21946464 24664371 32885828 49328742 65771656 73993113 98657484 131543312 147986226 197314968 221979339 263086624 295972452 394629936 443958678 591944904 665938017 789259872 887917356 1183889808 1331876034 1775834712 2367779616 2663752068 3551669424 5327504136 7103338848 10655008272 21310016544
• Sum of all divisors σ(n): 62744120208
• Sum of proper divisors (its aliquot sum) s(n): 41434103664
• 21310016544 is an abundant number, because the sum of its proper divisors (41434103664) is greater than itself. Its abundance is 20124087120

Bases of 21310016544

• Binary: 10011110110001011010000110000100000₂
• Hexadecimal: 0x4F62D0C20
• Base-36: 9SFFM00

Squares and roots of 21310016544

• 21310016544 squared (21310016544²) is 454116805105553703936
• 21310016544 cubed (21310016544³) is 9677236629707773097156637917184
• The square root of 21310016544 is 145979.5072741375
• The cube root of 21310016544 is 2772.4342941295

Scales and comparisons

• 21,310,016,544 seconds is equal to 677 years, 30 weeks, 5 days, 17 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,310,016,544 would take you about one thousand, three hundred fifty-five 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 21310016544 cubic inches would be around 231 feet tall.

Recreational maths with 21310016544

• 21310016544 backwards is 44561001312
• 21310016544 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21310016544's digits is 27
• More coming soon!