1997131584

Names of 1997131584

• Cardinal: 1997131584 can be written as One billion, nine hundred ninety-seven million, one hundred thirty-one thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 1.997131584 × 10⁹

Factors of 1997131584

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 88

Divisors of 1997131584

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 53 56 64 69 84 92 96 106 112 138 159 161 168 184 192 212 224 276 318 322 336 368 371 424 448 483 529 552 636 644 672 736 742 848 966 1058 1104 1113 1219 1272 1288 1344 1472 1484 1587 1696 1932 2116 2208 2226 2438 2544 2576 2809 2968 3174 3392 3657 3703 3864 4232 4416 4452 4876 5088 5152 5618 5936 6348 7314 7406 7728 8427 8464 8533 8904 9752 10176 10304 11109 11236 11872 12696 14628 14812 15456 16854 16928 17066 17808 19504 19663 22218 22472 23744 25392 25599 28037 29256 29624 30912 33708 33856 34132 35616 39008 39326 44436 44944 50784 51198 56074 58512 58989 59248 64607 67416 68264 71232 78016 78652 84111 88872 89888 101568 102396 112148 117024 117978 118496 129214 134832 136528 157304 168222 177744 179776 193821 196259 204792 224296 234048 235956 236992 258428 269664 273056 314608 336444 355488 387642 392518 409584 448592 452249 471912 516856 539328 546112 588777 629216 672888 710976 775284 785036 819168 897184 904498 943824 1033712 1177554 1258432 1345776 1356747 1485961 1550568 1570072 1638336 1794368 1808996 1887648 2067424 2355108 2691552 2713494 2971922 3101136 3140144 3617992 3775296 4134848 4457883 4710216 5383104 5426988 5943844 6202272 6280288 7235984 8915766 9420432 10401727 10853976 11887688 12404544 12560576 14471968 17831532 18840864 20803454 21707952 23775376 28943936 31205181 35663064 37681728 41606908 43415904 47550752 62410362 71326128 83213816 86831808 95101504 124820724 142652256 166427632 249641448 285304512 332855264 499282896 665710528 998565792 1997131584
• Sum of all divisors σ(n): 6434283296
• Sum of proper divisors (its aliquot sum) s(n): 4437151712
• 1997131584 is an abundant number, because the sum of its proper divisors (4437151712) is greater than itself. Its abundance is 2440020128

Bases of 1997131584

• Binary: 1110111000010011100111101000000₂
• Hexadecimal: 0x7709CF40
• Base-36: X11GLC

Squares and roots of 1997131584

• 1997131584 squared (1997131584²) is 3988534563810349056
• 1997131584 cubed (1997131584³) is 7965628351261311485802184704
• The square root of 1997131584 is 44689.2781772095
• The cube root of 1997131584 is 1259.3184320935

Scales and comparisons

• 1,997,131,584 seconds is equal to 63 years, 26 weeks, 22 hours, 46 minutes, 24 seconds.
• To count from 1 to 1,997,131,584 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 1997131584 cubic inches would be around 104.9 feet tall.

Recreational maths with 1997131584

• 1997131584 backwards is 4851317991
• 1997131584 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1997131584's digits is 48
• More coming soon!