21991029771216

Names of 21991029771216

• Cardinal: 21991029771216 can be written as Twenty-one trillion, nine hundred ninety-one billion, twenty-nine million, seven hundred seventy-one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1991029771216 × 10¹³

Factors of 21991029771216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 122139864

Divisors of 21991029771216

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 62 66 88 93 121 124 132 176 186 242 248 264 341 363 372 484 496 528 682 726 744 968 1023 1364 1452 1488 1936 2046 2728 2904 3751 4092 5456 5808 7502 8184 11253 15004 16368 22506 30008 45012 60016 90024 180048 122139817 244279634 366419451 488559268 732838902 977118536 1343537987 1465677804 1954237072 2687075974 2931355608 3786334327 4030613961 5374151948 5862711216 7572668654 8061227922 10748303896 11359002981 14778917857 15145337308 16122455844 21496607792 22718005962 29557835714 30290674616 32244911688 41649677597 44336753571 45436011924 59115671428 60581349232 64489823376 83299355194 88673507142 90872023848 118231342856 124949032791 166598710388 177347014284 181744047696 236462685712 249898065582 333197420776 354694028568 458146453567 499796131164 666394841552 709388057136 916292907134 999592262328 1374439360701 1832585814268 1999184524656 2748878721402 3665171628536 5497757442804 7330343257072 10995514885608 21991029771216
• Sum of all divisors σ(n): 64458556110592
• Sum of proper divisors (its aliquot sum) s(n): 42467526339376
• 21991029771216 is an abundant number, because the sum of its proper divisors (42467526339376) is greater than itself. Its abundance is 20476496568160

Bases of 21991029771216

• Binary: 101000000000000101111100001001000101111010000₂
• Hexadecimal: 0x14002F848BD0
• Base-36: 7SMJFC15C

Squares and roots of 21991029771216

• 21991029771216 squared (21991029771216²) is 483605390398508437302118656
• 21991029771216 cubed (21991029771216³) is 10634980537774135363031656107927765405696
• The square root of 21991029771216 is 4689459.4327295337
• The cube root of 21991029771216 is 28016.5844655261

Scales and comparisons

• 21,991,029,771,216 seconds is equal to 699,246 years, 37 weeks, 4 days, 12 hours, 53 minutes, 36 seconds.
• To count from 1 to 21,991,029,771,216 would take you about one million, seven hundred forty-eight thousand, one hundred sixteen 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 21991029771216 cubic inches would be around 2334.7 feet tall.

Recreational maths with 21991029771216

• 21991029771216 backwards is 61217792019912
• The number of decimal digits it has is: 14
• The sum of 21991029771216's digits is 57
• More coming soon!