21023548672

Names of 21023548672

• Cardinal: 21023548672 can be written as Twenty-one billion, twenty-three million, five hundred forty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1023548672 × 10¹⁰

Factors of 21023548672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 974

Divisors of 21023548672

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 89 112 128 178 193 224 256 356 386 448 623 683 712 772 896 1246 1351 1366 1424 1544 1792 2492 2702 2732 2848 3088 4781 4984 5404 5464 5696 6176 9562 9968 10808 10928 11392 12352 17177 19124 19936 21616 21856 22784 24704 34354 38248 39872 43232 43712 49408 60787 68708 76496 79744 86464 87424 120239 121574 131819 137416 152992 159488 172928 174848 240478 243148 263638 274832 305984 345856 425509 480956 486296 527276 549664 611968 851018 922733 961912 972592 1054552 1099328 1223936 1702036 1845466 1923824 1945184 2109104 2198656 3404072 3690932 3847648 3890368 4218208 4397312 6808144 7381864 7695296 7780736 8436416 11731891 13616288 14763728 15390592 15561472 16872832 23463782 27232576 29527456 30781184 33745664 46927564 54465152 59054912 82123237 93855128 108930304 118109824 164246474 187710256 236219648 328492948 375420512 656985896 750841024 1313971792 1501682048 2627943584 3003364096 5255887168 10511774336 21023548672
• Sum of all divisors σ(n): 48821512320
• Sum of proper divisors (its aliquot sum) s(n): 27797963648
• 21023548672 is an abundant number, because the sum of its proper divisors (27797963648) is greater than itself. Its abundance is 6774414976

Bases of 21023548672

• Binary: 10011100101000110011110010100000000₂
• Hexadecimal: 0x4E519E500
• Base-36: 9NOVLZ4

Squares and roots of 21023548672

• 21023548672 squared (21023548672²) is 441989598763952963584
• 21023548672 cubed (21023548672³) is 9292189842131716169026867560448
• The square root of 21023548672 is 144994.9953343217
• The cube root of 21023548672 is 2759.9550451265

Scales and comparisons

• 21,023,548,672 seconds is equal to 668 years, 25 weeks, 1 day, 2 hours, 37 minutes, 52 seconds.
• To count from 1 to 21,023,548,672 would take you about one thousand, three hundred thirty-six 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 21023548672 cubic inches would be around 230 feet tall.

Recreational maths with 21023548672

• 21023548672 backwards is 27684532012
• The number of decimal digits it has is: 11
• The sum of 21023548672's digits is 40
• More coming soon!