1997876664

Names of 1997876664

• Cardinal: 1997876664 can be written as One billion, nine hundred ninety-seven million, eight hundred seventy-six thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.997876664 × 10⁹

Factors of 1997876664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10298

Divisors of 1997876664

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 43 54 56 63 72 81 84 86 108 126 129 162 168 172 189 216 252 258 301 324 344 378 387 504 516 567 602 648 756 774 903 1032 1134 1161 1204 1512 1548 1806 2268 2322 2408 2709 3096 3483 3612 4536 4644 5418 6966 7224 8127 9288 10243 10836 13932 16254 20486 21672 24381 27864 30729 32508 40972 48762 61458 65016 71701 81944 92187 97524 122916 143402 184374 195048 215103 245832 276561 286804 368748 430206 440449 553122 573608 645309 737496 829683 860412 880898 1106244 1290618 1321347 1659366 1720824 1761796 1935927 2212488 2581236 2642694 3083143 3318732 3523592 3871854 3964041 5162472 5285388 5807781 6166286 6637464 7743708 7928082 9249429 10570776 11615562 11892123 12332572 15487416 15856164 18498858 23231124 23784246 24665144 27748287 31712328 35676369 36997716 46462248 47568492 55496574 71352738 73995432 83244861 95136984 110993148 142705476 166489722 221986296 249734583 285410952 332979444 499469166 665958888 998938332 1997876664
• Sum of all divisors σ(n): 6544686720
• Sum of proper divisors (its aliquot sum) s(n): 4546810056
• 1997876664 is an abundant number, because the sum of its proper divisors (4546810056) is greater than itself. Its abundance is 2548933392

Bases of 1997876664

• Binary: 1110111000101010010110110111000₂
• Hexadecimal: 0x77152DB8
• Base-36: X1HFI0

Squares and roots of 1997876664

• 1997876664 squared (1997876664²) is 3991511164555768896
• 1997876664 cubed (1997876664³) is 7974547009761434603895442944
• The square root of 1997876664 is 44697.6136275755
• The cube root of 1997876664 is 1259.4750193917

Scales and comparisons

• 1,997,876,664 seconds is equal to 63 years, 27 weeks, 2 days, 13 hours, 44 minutes, 24 seconds.
• To count from 1 to 1,997,876,664 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 1997876664 cubic inches would be around 105 feet tall.

Recreational maths with 1997876664

• 1997876664 backwards is 4666787991
• 1997876664 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1997876664's digits is 63
• More coming soon!