39970980

Names of 39970980

• Cardinal: 39970980 can be written as Thirty-nine million, nine hundred seventy thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 3.997098 × 10⁷

Factors of 39970980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 31740

Divisors of 39970980

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 31723 63446 95169 126892 158615 190338 222061 285507 317230 380676 444122 475845 571014 634460 666183 888244 951690 1110305 1142028 1332366 1427535 1903380 1998549 2220610 2664732 2855070 3330915 3997098 4441220 5710140 6661830 7994196 9992745 13323660 19985490 39970980
• Sum of all divisors σ(n): 138570432
• Sum of proper divisors (its aliquot sum) s(n): 98599452
• 39970980 is an abundant number, because the sum of its proper divisors (98599452) is greater than itself. Its abundance is 58628472

Bases of 39970980

• Binary: 10011000011110100010100100₂
• Hexadecimal: 0x261E8A4
• Base-36: NSPT0

Squares and roots of 39970980

• 39970980 squared (39970980²) is 1597679242160400
• 39970980 cubed (39970980³) is 63860805034808505192000
• The square root of 39970980 is 6322.2606716269
• The cube root of 39970980 is 341.9124634897

Scales and comparisons

• 39,970,980 seconds is equal to 1 year, 14 weeks, 15 hours, 3 minutes.
• To count from 1 to 39,970,980 would take you about forty-seven 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 39970980 cubic inches would be around 28.5 feet tall.

Recreational maths with 39970980

• 39970980 backwards is 08907993
• 39970980 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 39970980's digits is 45
• More coming soon!