221165507940

Names of 221165507940

• Cardinal: 221165507940 can be written as Two hundred twenty-one billion, one hundred sixty-five million, five hundred seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.2116550794 × 10¹¹

Factors of 221165507940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2600

Divisors of 221165507940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 331 390 487 662 780 974 993 1324 1461 1655 1759 1948 1986 2435 2922 3310 3518 3972 4303 4870 4965 5277 5844 6331 6620 7036 7305 8606 8795 9740 9930 10554 12662 12909 14610 17212 17590 18993 19860 21108 21515 22867 25324 25818 26385 29220 31655 35180 37986 43030 45734 51636 52770 63310 64545 68601 75972 86060 91468 94965 105540 114335 126620 129090 137202 161197 189930 228670 258180 274404 322394 343005 379860 457340 483591 582229 644788 686010 805985 856633 967182 1164458 1372020 1611970 1713266 1746687 1934364 2095561 2328916 2417955 2569899 2911145 3223940 3426532 3493374 4191122 4283165 4835910 5139798 5822290 6286683 6986748 7568977 8382244 8566330 8733435 9671820 10279596 10477805 11136229 11644580 12573366 12849495 15137954 17132660 17466870 20955610 22272458 22706931 25146732 25698990 30275908 31433415 33408687 34933740 37844885 41911220 44544916 45413862 51397980 55681145 62866830 66817374 75689770 90827724 111362290 113534655 125733660 133634748 151379540 167043435 222724580 227069310 283545523 334086870 454138620 567091046 668173740 850636569 1134182092 1417727615 1701273138 2835455230 3402546276 3686091799 4253182845 5670910460 7372183598 8506365690 11058275397 14744367196 17012731380 18430458995 22116550794 36860917990 44233101588 55291376985 73721835980 110582753970 221165507940
• Sum of all divisors σ(n): 670668472320
• Sum of proper divisors (its aliquot sum) s(n): 449502964380
• 221165507940 is an abundant number, because the sum of its proper divisors (449502964380) is greater than itself. Its abundance is 228337456440

Bases of 221165507940

• Binary: 11001101111110011111011101010101100100₂
• Hexadecimal: 0x337E7DD564
• Base-36: 2TLO8E3O

Squares and roots of 221165507940

• 221165507940 squared (221165507940²) is 48914181902358203043600
• 221165507940 cubed (221165507940³) is 10818129885904607459963447966184000
• The square root of 221165507940 is 470282.3704329137
• The cube root of 221165507940 is 6047.4524979375

Scales and comparisons

• 221,165,507,940 seconds is equal to 7,032 years, 19 weeks, 4 days, 23 hours, 19 minutes.
• To count from 1 to 221,165,507,940 would take you about fourteen thousand and sixty-four 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 221165507940 cubic inches would be around 504 feet tall.

Recreational maths with 221165507940

• 221165507940 backwards is 049705561122
• The number of decimal digits it has is: 12
• The sum of 221165507940's digits is 42
• More coming soon!