1393399917

Names of 1393399917

• Cardinal: 1393399917 can be written as One billion, three hundred ninety-three million, three hundred ninety-nine thousand, nine hundred seventeen.

Scientific notation

• Scientific notation: 1.393399917 × 10⁹

Factors of 1393399917

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 69

Divisors of 1393399917

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 7 9 13 17 21 29 39 49 51 63 87 91 117 119 147 153 203 221 261 273 289 357 377 441 493 609 637 663 819 833 841 867 1071 1131 1421 1479 1547 1827 1911 1989 2023 2499 2523 2601 2639 3393 3451 3757 4263 4437 4641 5733 5887 6069 6409 7497 7569 7917 8381 10353 10829 10933 11271 12789 13923 14161 14297 17661 18207 18473 19227 23751 24157 25143 26299 31059 32487 32799 33813 41209 42483 42891 44863 52983 55419 57681 58667 72471 75429 76531 78897 97461 98397 100079 108953 123627 127449 128673 134589 166257 176001 184093 185861 217413 229593 236691 243049 300237 314041 326859 370881 403767 410669 528003 535717 552279 557583 688779 700553 729147 762671 900711 942123 980577 1232007 1301027 1607151 1656837 1672749 1701343 2101659 2187441 2288013 2826369 3159637 3696021 3903081 4821453 5104029 5338697 6304977 6864039 9107189 9478911 11709243 11909401 15312087 16016091 22117459 27321567 28436733 35728203 48048273 66352377 81964701 107184609 154822213 199057131 464466639 1393399917
• Sum of all divisors σ(n): 2773976478
• Sum of proper divisors (its aliquot sum) s(n): 1380576561
• 1393399917 is a deficient number, because the sum of its proper divisors (1380576561) is less than itself. Its deficiency is 12823356

Bases of 1393399917

• Binary: 1010011000011011001100001101101₂
• Hexadecimal: 0x530D986D
• Base-36: N1LE99

Squares and roots of 1393399917

• 1393399917 squared (1393399917²) is 1941563328695606889
• 1393399917 cubed (1393399917³) is 2705374181054702357397228213
• The square root of 1393399917 is 37328.2723548785
• The cube root of 1393399917 is 1116.9282104033

Scales and comparisons

• 1,393,399,917 seconds is equal to 44 years, 15 weeks, 6 days, 7 hours, 31 minutes, 57 seconds.
• To count from 1 to 1,393,399,917 would take you about eighty-eight 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 1393399917 cubic inches would be around 93.1 feet tall.

Recreational maths with 1393399917

• 1393399917 backwards is 7199933931
• The number of decimal digits it has is: 10
• The sum of 1393399917's digits is 54
• More coming soon!