42101730

Names of 42101730

• Cardinal: 42101730 can be written as Forty-two million, one hundred one thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 4.210173 × 10⁷

Factors of 42101730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 87

Divisors of 42101730

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 23 30 33 43 45 46 55 66 69 86 90 99 110 115 129 138 165 198 207 215 230 253 258 330 345 387 414 430 473 495 506 645 690 759 774 946 989 990 1035 1265 1290 1419 1518 1849 1935 1978 2070 2277 2365 2530 2838 2967 3698 3795 3870 4257 4554 4730 4945 5547 5934 7095 7590 8514 8901 9245 9890 10879 11094 11385 14190 14835 16641 17802 18490 20339 21285 21758 22770 27735 29670 32637 33282 40678 42527 42570 44505 54395 55470 61017 65274 83205 85054 89010 97911 101695 108790 122034 127581 163185 166410 183051 195822 203390 212635 255162 305085 326370 366102 382743 425270 467797 489555 610170 637905 765486 915255 935594 979110 1275810 1403391 1830510 1913715 2338985 2806782 3827430 4210173 4677970 7016955 8420346 14033910 21050865 42101730
• Sum of all divisors σ(n): 127573056
• Sum of proper divisors (its aliquot sum) s(n): 85471326
• 42101730 is an abundant number, because the sum of its proper divisors (85471326) is greater than itself. Its abundance is 43369596

Bases of 42101730

• Binary: 10100000100110101111100010₂
• Hexadecimal: 0x2826BE2
• Base-36: P2DWI

Squares and roots of 42101730

• 42101730 squared (42101730²) is 1772555668992900
• 42101730 cubed (42101730³) is 74627660185908447717000
• The square root of 42101730 is 6488.5845914189
• The cube root of 42101730 is 347.8830859739

Scales and comparisons

• 42,101,730 seconds is equal to 1 year, 17 weeks, 4 days, 6 hours, 55 minutes, 30 seconds.
• To count from 1 to 42,101,730 would take you about two 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 42101730 cubic inches would be around 29 feet tall.

Recreational maths with 42101730

• 42101730 backwards is 03710124
• 42101730 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42101730's digits is 18
• More coming soon!