21790709248

Names of 21790709248

• Cardinal: 21790709248 can be written as Twenty-one billion, seven hundred ninety million, seven hundred nine thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 2.1790709248 × 10¹⁰

Factors of 21790709248

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 301

Divisors of 21790709248

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 49 56 64 77 88 98 112 128 154 176 196 224 256 281 308 352 392 448 512 539 562 616 704 784 896 1078 1124 1232 1408 1568 1792 1967 2156 2248 2464 2816 3091 3136 3584 3934 4312 4496 4928 5632 6182 6272 7868 8624 8992 9856 12364 12544 13769 15736 17248 17984 19712 21637 24728 25088 27538 31472 34496 35968 39424 43274 49456 55076 62944 68992 71936 78961 86548 98912 110152 125888 137984 143872 151459 157922 173096 197824 220304 251776 275968 302918 315844 346192 395648 440608 503552 552727 605836 631688 692384 791296 868571 881216 1007104 1105454 1211672 1263376 1384768 1582592 1737142 1762432 2210908 2423344 2526752 2769536 3474284 3524864 3869089 4421816 4846688 5053504 5539072 6079997 6948568 7049728 7738178 8843632 9693376 10107008 11078144 12159994 13897136 15476356 17687264 19386752 20214016 24319988 27794272 30952712 35374528 38773504 40428032 42559979 48639976 55588544 61905424 70749056 77547008 85119958 97279952 111177088 123810848 141498112 170239916 194559904 222354176 247621696 282996224 340479832 389119808 444708352 495243392 680959664 778239616 990486784 1361919328 1556479232 1980973568 2723838656 3112958464 5447677312 10895354624 21790709248
• Sum of all divisors σ(n): 55448862876
• Sum of proper divisors (its aliquot sum) s(n): 33658153628
• 21790709248 is an abundant number, because the sum of its proper divisors (33658153628) is greater than itself. Its abundance is 11867444380

Bases of 21790709248

• Binary: 10100010010110100111101011000000000₂
• Hexadecimal: 0x512D3D600
• Base-36: A0DMIV4

Squares and roots of 21790709248

• 21790709248 squared (21790709248²) is 474835009530872725504
• 21790709248 cubed (21790709248³) is 10346991633458556441150978260992
• The square root of 21790709248 is 147616.7647931629
• The cube root of 21790709248 is 2793.1255358637

Scales and comparisons

• 21,790,709,248 seconds is equal to 692 years, 45 weeks, 4 days, 6 hours, 47 minutes, 28 seconds.
• To count from 1 to 21,790,709,248 would take you about one thousand, three hundred eighty-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 21790709248 cubic inches would be around 232.8 feet tall.

Recreational maths with 21790709248

• 21790709248 backwards is 84290709712
• 21790709248 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21790709248's digits is 49
• More coming soon!