68471040

Names of 68471040

• Cardinal: 68471040 can be written as Sixty-eight million, four hundred seventy-one thousand and forty.

Scientific notation

• Scientific notation: 6.847104 × 10⁷

Factors of 68471040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1642

Divisors of 68471040

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 256 264 320 330 352 384 440 480 528 640 660 704 768 880 960 1056 1280 1320 1408 1621 1760 1920 2112 2640 2816 3242 3520 3840 4224 4863 5280 6484 7040 8105 8448 9726 10560 12968 14080 16210 17831 19452 21120 24315 25936 32420 35662 38904 42240 48630 51872 53493 64840 71324 77808 89155 97260 103744 106986 129680 142648 155616 178310 194520 207488 213972 259360 267465 285296 311232 356620 389040 414976 427944 518720 534930 570592 622464 713240 778080 855888 1037440 1069860 1141184 1244928 1426480 1556160 1711776 2074880 2139720 2282368 2852960 3112320 3423552 4279440 4564736 5705920 6224640 6847104 8558880 11411840 13694208 17117760 22823680 34235520 68471040
• Sum of all divisors σ(n): 238706496
• Sum of proper divisors (its aliquot sum) s(n): 170235456
• 68471040 is an abundant number, because the sum of its proper divisors (170235456) is greater than itself. Its abundance is 101764416

Bases of 68471040

• Binary: 100000101001100100100000000₂
• Hexadecimal: 0x414C900
• Base-36: 14RKLC

Squares and roots of 68471040

• 68471040 squared (68471040²) is 4688283318681600
• 68471040 cubed (68471040³) is 321011634644780580864000
• The square root of 68471040 is 8274.7229560875
• The cube root of 68471040 is 409.1058045305

Scales and comparisons

• 68,471,040 seconds is equal to 2 years, 9 weeks, 1 day, 11 hours, 44 minutes.
• To count from 1 to 68,471,040 would take you about three 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 68471040 cubic inches would be around 34.1 feet tall.

Recreational maths with 68471040

• 68471040 backwards is 04017486
• 68471040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 68471040's digits is 30
• More coming soon!