61085040

Names of 61085040

• Cardinal: 61085040 can be written as Sixty-one million, eighty-five thousand and forty.

Scientific notation

• Scientific notation: 6.108504 × 10⁷

Factors of 61085040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1488

Divisors of 61085040

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 199 240 398 597 796 995 1194 1279 1592 1990 2388 2558 2985 3184 3837 3980 4776 5116 5970 6395 7674 7960 9552 10232 11940 12790 15348 15920 19185 20464 23880 25580 30696 38370 47760 51160 61392 76740 102320 153480 254521 306960 509042 763563 1018084 1272605 1527126 2036168 2545210 3054252 3817815 4072336 5090420 6108504 7635630 10180840 12217008 15271260 20361680 30542520 61085040
• Sum of all divisors σ(n): 190464000
• Sum of proper divisors (its aliquot sum) s(n): 129378960
• 61085040 is an abundant number, because the sum of its proper divisors (129378960) is greater than itself. Its abundance is 68293920

Bases of 61085040

• Binary: 11101001000001010101110000₂
• Hexadecimal: 0x3A41570
• Base-36: 10D9IO

Squares and roots of 61085040

• 61085040 squared (61085040²) is 3731382111801600
• 61085040 cubed (61085040³) is 227931625554685208064000
• The square root of 61085040 is 7815.6919079503
• The cube root of 61085040 is 393.8325621781

Scales and comparisons

• 61,085,040 seconds is equal to 1 year, 49 weeks, 4 minutes.
• To count from 1 to 61,085,040 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 61085040 cubic inches would be around 32.8 feet tall.

Recreational maths with 61085040

• 61085040 backwards is 04058016
• 61085040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 61085040's digits is 24
• More coming soon!