40657968

Names of 40657968

• Cardinal: 40657968 can be written as Forty million, six hundred fifty-seven thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0657968 × 10⁷

Factors of 40657968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 642

Divisors of 40657968

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 36 37 39 48 52 72 74 78 104 111 117 144 148 156 208 222 234 296 312 333 444 468 481 587 592 624 666 888 936 962 1174 1332 1443 1761 1776 1872 1924 2348 2664 2886 3522 3848 4329 4696 5283 5328 5772 7044 7631 7696 8658 9392 10566 11544 14088 15262 17316 21132 21719 22893 23088 28176 30524 34632 42264 43438 45786 61048 65157 68679 69264 84528 86876 91572 122096 130314 137358 173752 183144 195471 260628 274716 282347 347504 366288 390942 521256 549432 564694 781884 847041 1042512 1098864 1129388 1563768 1694082 2258776 2541123 3127536 3388164 4517552 5082246 6776328 10164492 13552656 20328984 40657968
• Sum of all divisors σ(n): 126064848
• Sum of proper divisors (its aliquot sum) s(n): 85406880
• 40657968 is an abundant number, because the sum of its proper divisors (85406880) is greater than itself. Its abundance is 44748912

Bases of 40657968

• Binary: 10011011000110010000110000₂
• Hexadecimal: 0x26C6430
• Base-36: O7FW0

Squares and roots of 40657968

• 40657968 squared (40657968²) is 1653070361889024
• 40657968 cubed (40657968³) is 67210481875432357343232
• The square root of 40657968 is 6376.3600902083
• The cube root of 40657968 is 343.8601829491

Scales and comparisons

• 40,657,968 seconds is equal to 1 year, 15 weeks, 1 day, 13 hours, 52 minutes, 48 seconds.
• To count from 1 to 40,657,968 would take you about forty-eight 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 40657968 cubic inches would be around 28.7 feet tall.

Recreational maths with 40657968

• 40657968 backwards is 86975604
• The number of decimal digits it has is: 8
• The sum of 40657968's digits is 45
• More coming soon!