221390147008

Names of 221390147008

• Cardinal: 221390147008 can be written as Two hundred twenty-one billion, three hundred ninety million, one hundred forty-seven thousand and eight.

Scientific notation

• Scientific notation: 2.21390147008 × 10¹¹

Factors of 221390147008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 453

Divisors of 221390147008

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 127 136 254 272 289 307 508 544 578 614 1016 1088 1156 1228 2032 2159 2312 2456 4064 4318 4624 4912 5219 8128 8636 9248 9824 10438 17272 18496 19648 20876 34544 36703 38989 41752 69088 73406 77978 83504 88723 94249 138176 146812 155956 167008 177446 188498 293624 311912 334016 354892 376996 587248 623824 662813 709784 753992 1174496 1247648 1325626 1419568 1507984 1602233 2348992 2495296 2651252 2839136 3015968 3204466 5302504 5678272 6031936 6408932 10605008 11267821 11969623 12817864 21210016 22535642 23939246 25635728 27237961 42420032 45071284 47878492 51271456 54475922 90142568 95756984 102542912 108951844 180285136 191513968 203483591 217903688 360570272 383027936 406967182 435807376 721140544 766055872 813934364 871614752 1627868728 1743229504 3255737456 3459221047 6511474912 6918442094 13022949824 13836884188 27673768376 55347536752 110695073504 221390147008
• Sum of all divisors σ(n): 471895407744
• Sum of proper divisors (its aliquot sum) s(n): 250505260736
• 221390147008 is an abundant number, because the sum of its proper divisors (250505260736) is greater than itself. Its abundance is 29115113728

Bases of 221390147008

• Binary: 11001110001011111000011000110111000000₂
• Hexadecimal: 0x338BE18DC0
• Base-36: 2TPDZ6PS

Squares and roots of 221390147008

• 221390147008 squared (221390147008²) is 49013597192223851352064
• 221390147008 cubed (221390147008³) is 10851127487777334485277388524224512
• The square root of 221390147008 is 470521.1440604981
• The cube root of 221390147008 is 6049.4992824499

Scales and comparisons

• 221,390,147,008 seconds is equal to 7,039 years, 27 weeks, 23 hours, 3 minutes, 28 seconds.
• To count from 1 to 221,390,147,008 would take you about fourteen thousand and seventy-nine 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 221390147008 cubic inches would be around 504.1 feet tall.

Recreational maths with 221390147008

• 221390147008 backwards is 800741093122
• The number of decimal digits it has is: 12
• The sum of 221390147008's digits is 37
• More coming soon!