20917120

Names of 20917120

• Cardinal: 20917120 can be written as Twenty million, nine hundred seventeen thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.091712 × 10⁷

Factors of 20917120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 66

Divisors of 20917120

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 23 28 29 32 35 40 46 49 56 58 64 70 80 92 98 112 115 116 128 140 145 160 161 184 196 203 224 230 232 245 280 290 320 322 368 392 406 448 460 464 490 560 580 640 644 667 736 784 805 812 896 920 928 980 1015 1120 1127 1160 1288 1334 1421 1472 1568 1610 1624 1840 1856 1960 2030 2240 2254 2320 2576 2668 2842 2944 3136 3220 3248 3335 3680 3712 3920 4060 4480 4508 4640 4669 5152 5336 5635 5684 6272 6440 6496 6670 7105 7360 7840 8120 9016 9280 9338 10304 10672 11270 11368 12880 12992 13340 14210 14720 15680 16240 18032 18560 18676 20608 21344 22540 22736 23345 25760 25984 26680 28420 31360 32480 32683 36064 37352 42688 45080 45472 46690 51520 53360 56840 64960 65366 72128 74704 85376 90160 90944 93380 103040 106720 113680 129920 130732 144256 149408 163415 180320 181888 186760 213440 227360 261464 298816 326830 360640 373520 426880 454720 522928 597632 653660 721280 747040 909440 1045856 1307320 1494080 2091712 2614640 2988160 4183424 5229280 10458560 20917120
• Sum of all divisors σ(n): 62791200
• Sum of proper divisors (its aliquot sum) s(n): 41874080
• 20917120 is an abundant number, because the sum of its proper divisors (41874080) is greater than itself. Its abundance is 20956960

Bases of 20917120

• Binary: 1001111110010101110000000₂
• Hexadecimal: 0x13F2B80
• Base-36: CGBR4

Squares and roots of 20917120

• 20917120 squared (20917120²) is 437525909094400
• 20917120 cubed (20917120³) is 9151781943636656128000
• The square root of 20917120 is 4573.5238055573
• The cube root of 20917120 is 275.5289873025

Scales and comparisons

• 20,917,120 seconds is equal to 34 weeks, 4 days, 2 hours, 18 minutes, 40 seconds.
• To count from 1 to 20,917,120 would take you about fifty-one weeks!

  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 20917120 cubic inches would be around 23 feet tall.

Recreational maths with 20917120

• 20917120 backwards is 02171902
• The number of decimal digits it has is: 8
• The sum of 20917120's digits is 22
• More coming soon!