21709493248

Names of 21709493248

• Cardinal: 21709493248 can be written as Twenty-one billion, seven hundred nine million, four hundred ninety-three thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 2.1709493248 × 10¹⁰

Factors of 21709493248

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 124

Divisors of 21709493248

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 8 16 32 43 64 79 86 128 158 172 256 316 344 512 632 688 1024 1264 1376 2528 2752 3397 5056 5504 6241 6794 10112 11008 12482 13588 20224 22016 24964 27176 40448 44032 49928 54352 80896 99856 108704 199712 217408 268363 399424 434816 493039 536726 798848 869632 986078 1073452 1597696 1739264 1972156 2146904 3195392 3478528 3944312 4293808 6390784 7888624 8587616 15777248 17175232 21200677 31554496 34350464 42401354 63108992 68700928 84802708 126217984 137401856 169605416 252435968 274803712 339210832 504871936 678421664 1356843328 2713686656 5427373312 10854746624 21709493248
• Sum of all divisors σ(n): 44976356480
• Sum of proper divisors (its aliquot sum) s(n): 23266863232
• 21709493248 is an abundant number, because the sum of its proper divisors (23266863232) is greater than itself. Its abundance is 1557369984

Bases of 21709493248

• Binary: 10100001101111111001001010000000000₂
• Hexadecimal: 0x50DFC9400
• Base-36: 9Z19S74

Squares and roots of 21709493248

• 21709493248 squared (21709493248²) is 471302097084957589504
• 21709493248 cubed (21709493248³) is 10231729694434127271703443668992
• The square root of 21709493248 is 147341.4172865185
• The cube root of 21709493248 is 2789.6511362635

Scales and comparisons

• 21,709,493,248 seconds is equal to 690 years, 15 weeks, 2 days, 6 hours, 47 minutes, 28 seconds.
• To count from 1 to 21,709,493,248 would take you about one thousand, three hundred eighty 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 21709493248 cubic inches would be around 232.5 feet tall.

Recreational maths with 21709493248

• 21709493248 backwards is 84239490712
• The number of decimal digits it has is: 11
• The sum of 21709493248's digits is 49
• More coming soon!