21102270

Names of 21102270

• Cardinal: 21102270 can be written as Twenty-one million, one hundred two thousand, two hundred seventy.

Scientific notation

• Scientific notation: 2.110227 × 10⁷

Factors of 21102270

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 314

Divisors of 21102270

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 17 21 23 30 34 35 42 46 51 69 70 85 102 105 115 119 138 161 170 210 230 238 255 257 322 345 357 391 483 510 514 595 690 714 771 782 805 966 1173 1190 1285 1542 1610 1785 1799 1955 2346 2415 2570 2737 3570 3598 3855 3910 4369 4830 5397 5474 5865 5911 7710 8211 8738 8995 10794 11730 11822 13107 13685 16422 17733 17990 21845 26214 26985 27370 29555 30583 35466 41055 41377 43690 53970 59110 61166 65535 82110 82754 88665 91749 100487 124131 131070 152915 177330 183498 200974 206885 248262 301461 305830 413770 458745 502435 602922 620655 703409 917490 1004870 1241310 1406818 1507305 2110227 3014610 3517045 4220454 7034090 10551135 21102270
• Sum of all divisors σ(n): 64198656
• Sum of proper divisors (its aliquot sum) s(n): 43096386
• 21102270 is an abundant number, because the sum of its proper divisors (43096386) is greater than itself. Its abundance is 21994116

Bases of 21102270

• Binary: 1010000011111111010111110₂
• Hexadecimal: 0x141FEBE
• Base-36: CKAM6

Squares and roots of 21102270

• 21102270 squared (21102270²) is 445305799152900
• 21102270 cubed (21102270³) is 9396963206290267083000
• The square root of 21102270 is 4593.7207141923
• The cube root of 21102270 is 276.3395579219

Scales and comparisons

• 21,102,270 seconds is equal to 34 weeks, 6 days, 5 hours, 44 minutes, 30 seconds.
• To count from 1 to 21,102,270 would take you about two days!

  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 21102270 cubic inches would be around 23 feet tall.

Recreational maths with 21102270

• 21102270 backwards is 07220112
• 21102270 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21102270's digits is 15
• More coming soon!