85739940

Names of 85739940

• Cardinal: 85739940 can be written as Eighty-five million, seven hundred thirty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 8.573994 × 10⁷

Factors of 85739940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3365

Divisors of 85739940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 13 15 18 20 22 26 30 33 36 39 44 45 52 55 60 65 66 78 90 99 110 117 130 132 143 156 165 180 195 198 220 234 260 286 330 390 396 429 468 495 572 585 660 715 780 858 990 1170 1287 1430 1716 1980 2145 2340 2574 2860 3331 4290 5148 6435 6662 8580 9993 12870 13324 16655 19986 25740 29979 33310 36641 39972 43303 49965 59958 66620 73282 86606 99930 109923 119916 129909 146564 149895 173212 183205 199860 216515 219846 259818 299790 329769 366410 389727 433030 439692 476333 519636 549615 599580 649545 659538 732820 779454 866060 952666 1099230 1299090 1319076 1428999 1558908 1648845 1905332 1948635 2198460 2381665 2598180 2857998 3297690 3897270 4286997 4763330 5715996 6595380 7144995 7794540 8573994 9526660 14289990 17147988 21434985 28579980 42869970 85739940
• Sum of all divisors σ(n): 305637696
• Sum of proper divisors (its aliquot sum) s(n): 219897756
• 85739940 is an abundant number, because the sum of its proper divisors (219897756) is greater than itself. Its abundance is 134157816

Bases of 85739940

• Binary: 101000111000100100110100100₂
• Hexadecimal: 0x51C49A4
• Base-36: 1F1PD0

Squares and roots of 85739940

• 85739940 squared (85739940²) is 7351337311203600
• 85739940 cubed (85739940³) is 630303219982357991784000
• The square root of 85739940 is 9259.5863838511
• The cube root of 85739940 is 440.9551221551

Scales and comparisons

• 85,739,940 seconds is equal to 2 years, 37 weeks, 5 days, 8 hours, 39 minutes.
• To count from 1 to 85,739,940 would take you about four 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 85739940 cubic inches would be around 36.7 feet tall.

Recreational maths with 85739940

• 85739940 backwards is 04993758
• 85739940 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 85739940's digits is 45
• More coming soon!