42109905825

Names of 42109905825

• Cardinal: 42109905825 can be written as Forty-two billion, one hundred nine million, nine hundred five thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 4.2109905825 × 10¹⁰

Factors of 42109905825

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 208

Divisors of 42109905825

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 9 13 15 25 39 45 53 61 65 73 75 117 159 183 195 219 225 265 305 325 365 477 549 585 657 689 793 795 915 949 975 1095 1325 1525 1825 2067 2379 2385 2745 2847 2925 3233 3285 3445 3721 3869 3965 3975 4453 4575 4745 5475 6201 7137 8541 9699 10335 11163 11607 11895 11925 13359 13725 14235 16165 16425 17225 18605 19345 19825 22265 23725 29097 31005 33489 34821 35685 40077 42029 42705 48373 48495 50297 51675 55815 57889 58035 59475 66795 71175 80825 93025 96725 111325 126087 145119 145485 150891 155025 167445 173667 174105 178425 197213 200385 210145 213525 236009 241865 242475 251485 271633 279075 289445 290175 333975 378261 435357 452673 521001 591639 630435 708027 725595 727425 754455 814899 837225 868335 870525 986065 1001925 1050725 1180045 1209325 1257425 1358165 1447225 1774917 1891305 2124081 2176785 2263365 2444697 2563769 2605005 2958195 3068117 3152175 3531229 3540135 3627975 3772275 4074495 4341675 4930325 5900225 6790825 7691307 8874585 9204351 9456525 10593687 10620405 10883925 11316825 12223485 12818845 13025025 14396549 14790975 15340585 17656145 17700675 20372475 23073921 27613053 31781061 38456535 43189647 44372925 46021755 52968435 53102025 61117425 64094225 71982745 76702925 88280725 115369605 129568941 138065265 158905305 187155137 192282675 215948235 230108775 264842175 359913725 561465411 576848025 647844705 690326325 794526525 935775685 1079741175 1684396233 2807327055 3239223525 4678878425 8421981165 14036635275 42109905825
• Sum of all divisors σ(n): 85289369256
• Sum of proper divisors (its aliquot sum) s(n): 43179463431
• 42109905825 is an abundant number, because the sum of its proper divisors (43179463431) is greater than itself. Its abundance is 1069557606

Bases of 42109905825

• Binary: 100111001101111100100010101110100001₂
• Hexadecimal: 0x9CDF22BA1
• Base-36: JCF5FA9

Squares and roots of 42109905825

• 42109905825 squared (42109905825²) is 1773244168590368930625
• 42109905825 cubed (42109905825³) is 74671144944070858670624708390625
• The square root of 42109905825 is 205206.9828855733
• The cube root of 42109905825 is 3479.0560323639

Scales and comparisons

• 42,109,905,825 seconds is equal to 1,338 years, 50 weeks, 1 day, 4 hours, 3 minutes, 45 seconds.
• To count from 1 to 42,109,905,825 would take you about two thousand, six hundred seventy-seven 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 42109905825 cubic inches would be around 289.9 feet tall.

Recreational maths with 42109905825

• 42109905825 backwards is 52850990124
• 42109905825 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 42109905825's digits is 45
• More coming soon!