21400750448

Names of 21400750448

• Cardinal: 21400750448 can be written as Twenty-one billion, four hundred million, seven hundred fifty thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 2.1400750448 × 10¹⁰

Factors of 21400750448

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1609

Divisors of 21400750448

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 29 44 56 58 77 88 112 116 154 176 203 232 308 319 406 464 616 638 683 812 877 1232 1276 1366 1624 1754 2233 2552 2732 3248 3508 4466 4781 5104 5464 6139 7016 7513 8932 9562 9647 10928 12278 14032 15026 17864 19124 19294 19807 24556 25433 30052 35728 38248 38588 39614 49112 50866 52591 60104 67529 76496 77176 79228 98224 101732 105182 120208 135058 138649 154352 158456 178031 203464 210364 217877 270116 277298 279763 316912 356062 406928 420728 435754 540232 554596 559526 598991 712124 841456 871508 1080464 1109192 1119052 1197982 1424248 1525139 1743016 1958341 2218384 2238104 2395964 2848496 3050278 3486032 3916682 4192937 4476208 4791928 6100556 6588901 7833364 8385874 9583856 12201112 13177802 15666728 16771748 17370739 24402224 26355604 31333456 33543496 34741478 46122307 52711208 67086992 69482956 92244614 105422416 121595173 138965912 184489228 191078129 243190346 277931824 368978456 382156258 486380692 737956912 764312516 972761384 1337546903 1528625032 1945522768 2675093806 3057250064 5350187612 10700375224 21400750448
• Sum of all divisors σ(n): 53617282560
• Sum of proper divisors (its aliquot sum) s(n): 32216532112
• 21400750448 is an abundant number, because the sum of its proper divisors (32216532112) is greater than itself. Its abundance is 10815781664

Bases of 21400750448

• Binary: 10011111011100101011000100101110000₂
• Hexadecimal: 0x4FB958970
• Base-36: 9TXGCQ8

Squares and roots of 21400750448

• 21400750448 squared (21400750448²) is 457992119737572200704
• 21400750448 cubed (21400750448³) is 9801375061654317916648473915392
• The square root of 21400750448 is 146289.9533392501
• The cube root of 21400750448 is 2776.3635513145

Scales and comparisons

• 21,400,750,448 seconds is equal to 680 years, 24 weeks, 5 days, 20 hours, 54 minutes, 8 seconds.
• To count from 1 to 21,400,750,448 would take you about one thousand, three hundred sixty 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 21400750448 cubic inches would be around 231.4 feet tall.

Recreational maths with 21400750448

• 21400750448 backwards is 84405700412
• The number of decimal digits it has is: 11
• The sum of 21400750448's digits is 35
• More coming soon!