40724404749

Names of 40724404749

• Cardinal: 40724404749 can be written as Forty billion, seven hundred twenty-four million, four hundred four thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 4.0724404749 × 10¹⁰

Factors of 40724404749

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 243

Divisors of 40724404749

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 233 243 343 441 567 699 729 1029 1323 1631 1701 2097 2187 3087 3969 4893 5103 6291 9261 11417 11907 14679 15309 18873 27783 34251 35721 44037 54289 56619 79919 83349 102753 107163 132111 162867 169857 239757 250047 308259 380023 396333 488601 509571 719271 750141 924777 1140069 1188999 1465803 2157813 2660161 2774331 3420207 3566997 4397409 6473439 7980483 8322993 10260621 13192227 18621127 19420317 23941449 24968979 30781863 39576681 55863381 58260951 71824347 92345589 118730043 167590143 174782853 215473041 277036767 502770429 646419123 831110301 1508311287 1939257369 4524933861 5817772107 13574801583 40724404749
• Sum of all divisors σ(n): 71534176000
• Sum of proper divisors (its aliquot sum) s(n): 30809771251
• 40724404749 is a deficient number, because the sum of its proper divisors (30809771251) is less than itself. Its deficiency is 9914633498

Bases of 40724404749

• Binary: 100101111011010111010001101000001101₂
• Hexadecimal: 0x97B5D1A0D
• Base-36: IPI9BT9

Squares and roots of 40724404749

• 40724404749 squared (40724404749²) is 1658477142160373753001
• 40724404749 cubed (40724404749³) is 67540494404303872986328877401749
• The square root of 40724404749 is 201802.8858787703
• The cube root of 40724404749 is 3440.4737479917

Scales and comparisons

• 40,724,404,749 seconds is equal to 1,294 years, 47 weeks, 2 days, 6 hours, 39 minutes, 9 seconds.
• To count from 1 to 40,724,404,749 would take you about two thousand, five hundred eighty-nine 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 40724404749 cubic inches would be around 286.7 feet tall.

Recreational maths with 40724404749

• 40724404749 backwards is 94740442704
• The number of decimal digits it has is: 11
• The sum of 40724404749's digits is 45
• More coming soon!