1997478336

Names of 1997478336

• Cardinal: 1997478336 can be written as One billion, nine hundred ninety-seven million, four hundred seventy-eight thousand, three hundred thirty-six.

Scientific notation

• Scientific notation: 1.997478336 × 10⁹

Factors of 1997478336

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 631

Divisors of 1997478336

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 343 392 448 588 619 672 686 784 1029 1176 1238 1344 1372 1568 1857 2058 2352 2401 2476 2744 3136 3714 4116 4333 4704 4802 4952 5488 7203 7428 8232 8666 9408 9604 9904 10976 12999 14406 14856 16464 16807 17332 19208 19808 21952 25998 28812 29712 30331 32928 33614 34664 38416 39616 50421 51996 57624 59424 60662 65856 67228 69328 76832 90993 100842 103992 115248 118848 121324 134456 138656 153664 181986 201684 207984 212317 230496 242648 268912 277312 363972 403368 415968 424634 460992 485296 537824 636951 727944 806736 831936 849268 970592 1075648 1273902 1455888 1486219 1613472 1698536 1941184 2547804 2911776 2972438 3226944 3397072 4458657 5095608 5823552 5944876 6794144 8917314 10191216 10403533 11889752 13588288 17834628 20382432 20807066 23779504 31210599 35669256 40764864 41614132 47559008 62421198 71338512 83228264 95118016 124842396 142677024 166456528 249684792 285354048 332913056 499369584 665826112 998739168 1997478336
• Sum of all divisors σ(n): 6175735680
• Sum of proper divisors (its aliquot sum) s(n): 4178257344
• 1997478336 is an abundant number, because the sum of its proper divisors (4178257344) is greater than itself. Its abundance is 2180779008

Bases of 1997478336

• Binary: 1110111000011110001100111000000₂
• Hexadecimal: 0x770F19C0
• Base-36: X18W5C

Squares and roots of 1997478336

• 1997478336 squared (1997478336²) is 3989919702789328896
• 1997478336 cubed (1997478336³) is 7969778168701243241738797056
• The square root of 1997478336 is 44693.1575971087
• The cube root of 1997478336 is 1259.3913109361

Scales and comparisons

• 1,997,478,336 seconds is equal to 63 years, 26 weeks, 4 days, 23 hours, 5 minutes, 36 seconds.
• To count from 1 to 1,997,478,336 would take you about one hundred twenty-seven 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 1997478336 cubic inches would be around 104.9 feet tall.

Recreational maths with 1997478336

• 1997478336 backwards is 6338747991
• The number of decimal digits it has is: 10
• The sum of 1997478336's digits is 57
• More coming soon!