21406583744

Names of 21406583744

• Cardinal: 21406583744 can be written as Twenty-one billion, four hundred six million, five hundred eighty-three thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.1406583744 × 10¹⁰

Factors of 21406583744

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 261

Divisors of 21406583744

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 169 182 196 208 224 239 338 364 392 416 448 478 637 676 728 784 832 956 1183 1274 1352 1456 1568 1673 1912 2197 2366 2548 2704 2912 3107 3136 3346 3824 4394 4732 5096 5408 5824 6214 6692 7648 8281 8788 9464 10192 10816 11711 12428 13384 15296 15379 16562 17576 18928 20384 21749 23422 24856 26768 28561 30758 33124 35152 37856 40391 40768 43498 46844 49712 53536 57122 61516 66248 70304 75712 80782 86996 93688 99424 107072 107653 114244 123032 132496 140608 152243 161564 173992 187376 198848 199927 215306 228488 246064 264992 282737 304486 323128 347984 374752 399854 430612 456976 492128 525083 529984 565474 608972 646256 695968 749504 799708 861224 913952 984256 1050166 1130948 1217944 1292512 1391936 1399489 1599416 1722448 1827904 1979159 2100332 2261896 2435888 2585024 2798978 3198832 3444896 3675581 3958318 4200664 4523792 4871776 5597956 6397664 6826079 6889792 7351162 7916636 8401328 9047584 9743552 11195912 12795328 13652158 14702324 15833272 16802656 18095168 22391824 25729067 27304316 29404648 31666544 33605312 44783648 47782553 51458134 54608632 58809296 63333088 89567296 95565106 102916268 109217264 117618592 126666176 191130212 205832536 218434528 235237184 334477871 382260424 411665072 436869056 668955742 764520848 823330144 1337911484 1529041696 1646660288 2675822968 3058083392 5351645936 10703291872 21406583744
• Sum of all divisors σ(n): 53755655760
• Sum of proper divisors (its aliquot sum) s(n): 32349072016
• 21406583744 is an abundant number, because the sum of its proper divisors (32349072016) is greater than itself. Its abundance is 10942488272

Bases of 21406583744

• Binary: 10011111011111011101000101111000000₂
• Hexadecimal: 0x4FBEE8BC0
• Base-36: 9U0XDQ8

Squares and roots of 21406583744

• 21406583744 squared (21406583744²) is 458241827588885057536
• 21406583744 cubed (21406583744³) is 9809392057285077587734642294784
• The square root of 21406583744 is 146309.8894265181
• The cube root of 21406583744 is 2776.6157835773

Scales and comparisons

• 21,406,583,744 seconds is equal to 680 years, 34 weeks, 3 days, 9 hours, 15 minutes, 44 seconds.
• To count from 1 to 21,406,583,744 would take you about one thousand, three hundred sixty-one 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 21406583744 cubic inches would be around 231.4 feet tall.

Recreational maths with 21406583744

• 21406583744 backwards is 44738560412
• The number of decimal digits it has is: 11
• The sum of 21406583744's digits is 44
• More coming soon!