21429468288

Names of 21429468288

• Cardinal: 21429468288 can be written as Twenty-one billion, four hundred twenty-nine million, four hundred sixty-eight thousand, two hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1429468288 × 10¹⁰

Factors of 21429468288

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 251

Divisors of 21429468288

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 227 228 288 304 342 361 384 454 456 576 608 681 684 722 908 912 1083 1152 1216 1362 1368 1444 1816 1824 2043 2166 2432 2724 2736 2888 3249 3632 3648 4086 4313 4332 5448 5472 5776 6498 7264 7296 8172 8626 8664 10896 10944 11552 12939 12996 14528 16344 17252 17328 21792 21888 23104 25878 25992 29056 32688 34504 34656 38817 43584 46208 51529 51756 51984 65376 69008 69312 77634 81947 87168 103058 103512 103968 130752 138016 138624 154587 155268 163894 206116 207024 207936 245841 261504 276032 309174 310536 327788 412232 414048 415872 463761 491682 552064 618348 621072 655576 737523 824464 828096 927522 979051 983364 1236696 1242144 1311152 1475046 1648928 1656192 1855044 1958102 1966728 2473392 2484288 2622304 2937153 2950092 3297856 3710088 3916204 3933456 4946784 4968576 5244608 5874306 5900184 6595712 7420176 7832408 7866912 8811459 9893568 10489216 11748612 11800368 14840352 15664816 15733824 17622918 18601969 19787136 23497224 23600736 29680704 31329632 31467648 35245836 37203938 46994448 47201472 55805907 59361408 62659264 70491672 74407876 93988896 94402944 111611814 125318528 140983344 148815752 167417721 187977792 223223628 281966688 297631504 334835442 375955584 446447256 563933376 595263008 669670884 892894512 1127866752 1190526016 1339341768 1785789024 2381052032 2678683536 3571578048 5357367072 7143156096 10714734144 21429468288
• Sum of all divisors σ(n): 65369867355
• Sum of proper divisors (its aliquot sum) s(n): 43940399067
• 21429468288 is an abundant number, because the sum of its proper divisors (43940399067) is greater than itself. Its abundance is 22510930779

Bases of 21429468288

• Binary: 10011111101010010111011110010000000₂
• Hexadecimal: 0x4FD4BBC80
• Base-36: 9UEJVK0

Squares and roots of 21429468288

• 21429468288 squared (21429468288²) is 459222111106397650944
• 21429468288 cubed (21429468288³) is 9840885667102961054822141263872
• The square root of 21429468288 is 146388.0742683639
• The cube root of 21429468288 is 2777.6048711309

Scales and comparisons

• 21,429,468,288 seconds is equal to 681 years, 20 weeks, 2 days, 6 hours, 4 minutes, 48 seconds.
• To count from 1 to 21,429,468,288 would take you about one thousand, three hundred sixty-two 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 21429468288 cubic inches would be around 231.5 feet tall.

Recreational maths with 21429468288

• 21429468288 backwards is 88286492412
• The number of decimal digits it has is: 11
• The sum of 21429468288's digits is 54
• More coming soon!