1997660940

Names of 1997660940

• Cardinal: 1997660940 can be written as One billion, nine hundred ninety-seven million, six hundred sixty thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.99766094 × 10⁹

Factors of 1997660940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 170

Divisors of 1997660940

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 29 30 33 44 55 58 59 60 61 66 87 110 116 118 122 132 145 165 174 177 183 220 236 244 290 295 305 319 330 348 354 366 435 580 590 610 638 649 660 671 708 732 841 870 885 915 957 1180 1220 1276 1298 1342 1595 1682 1711 1740 1769 1770 1830 1914 1947 2013 2523 2596 2684 3190 3245 3355 3364 3422 3538 3540 3599 3660 3828 3894 4026 4205 4785 5046 5133 5307 6380 6490 6710 6844 7076 7198 7788 8052 8410 8555 8845 9251 9570 9735 10065 10092 10266 10614 10797 12615 12980 13420 14396 16820 17110 17690 17995 18502 18821 19140 19459 19470 20130 20532 21228 21594 25230 25665 26535 27753 34220 35380 35990 37004 37642 38918 38940 39589 40260 43188 46255 49619 50460 51301 51330 53070 53985 55506 56463 58377 71980 75284 77836 79178 92510 94105 97295 99238 102602 102660 104371 106140 107970 111012 112926 116754 118767 138765 148857 153903 158356 185020 188210 194590 197945 198476 205204 208742 215940 225852 233508 237534 248095 256505 277530 282315 291885 297714 307806 313113 376420 389180 395890 417484 475068 496190 513010 521855 545809 555060 564311 564630 583770 593835 595428 615612 626226 744285 769515 791780 992380 1026020 1043710 1091618 1128622 1129260 1148081 1167540 1187670 1252452 1488570 1539030 1565565 1637427 1692933 2087420 2183236 2257244 2296162 2375340 2729045 2821555 2977140 3026759 3078060 3131130 3274854 3385866 3444243 4592324 5458090 5643110 5740405 6053518 6262260 6549708 6771732 6888486 8187135 8464665 9080277 10916180 11286220 11480810 12107036 13776972 15133795 16374270 16929330 17221215 18160554 22961620 30267590 32748540 33294349 33858660 34442430 36321108 45401385 60535180 66588698 68884860 90802770 99883047 133177396 166471745 181605540 199766094 332943490 399532188 499415235 665886980 998830470 1997660940
• Sum of all divisors σ(n): 6532081920
• Sum of proper divisors (its aliquot sum) s(n): 4534420980
• 1997660940 is an abundant number, because the sum of its proper divisors (4534420980) is greater than itself. Its abundance is 2536760040

Bases of 1997660940

• Binary: 1110111000100011110001100001100₂
• Hexadecimal: 0x7711E30C
• Base-36: X1CT1O

Squares and roots of 1997660940

• 1997660940 squared (1997660940²) is 3990649231201683600
• 1997660940 cubed (1997660940³) is 7971964094412632589958584000
• The square root of 1997660940 is 44695.2004134673
• The cube root of 1997660940 is 1259.4296864685

Scales and comparisons

• 1,997,660,940 seconds is equal to 63 years, 27 weeks, 1 hour, 49 minutes.
• To count from 1 to 1,997,660,940 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 1997660940 cubic inches would be around 105 feet tall.

Recreational maths with 1997660940

• 1997660940 backwards is 0490667991
• The number of decimal digits it has is: 10
• The sum of 1997660940's digits is 51
• More coming soon!