2140849890

Names of 2140849890

• Cardinal: 2140849890 can be written as Two billion, one hundred forty million, eight hundred forty-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.14084989 × 10⁹

Factors of 2140849890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1958

Divisors of 2140849890

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 23 29 30 38 45 46 57 58 69 87 90 95 114 115 138 145 171 174 190 207 230 261 285 290 342 345 414 435 437 522 551 570 667 690 855 870 874 1035 1102 1305 1311 1334 1653 1710 1877 2001 2070 2185 2610 2622 2755 3306 3335 3754 3933 4002 4370 4959 5510 5631 6003 6555 6670 7866 8265 9385 9918 10005 11262 12006 12673 13110 16530 16893 18770 19665 20010 24795 25346 28155 30015 33786 35663 38019 39330 43171 49590 54433 56310 60030 63365 71326 76038 84465 86342 106989 108866 114057 126730 129513 163299 168930 178315 190095 213978 215855 228114 259026 272165 320967 326598 356630 380190 388539 431710 489897 534945 544330 570285 641934 647565 777078 816495 820249 979794 1034227 1069890 1140570 1251959 1295130 1604835 1632990 1640498 1942695 2068454 2449485 2460747 2503918 3102681 3209670 3755877 3885390 4101245 4898970 4921494 5171135 6205362 6259795 7382241 7511754 8202490 9308043 10342270 11267631 12303735 12519590 14764482 15513405 18616086 18779385 22535262 23787221 24607470 31026810 36911205 37558770 46540215 47574442 56338155 71361663 73822410 93080430 112676310 118936105 142723326 214084989 237872210 356808315 428169978 713616630 1070424945 2140849890
• Sum of all divisors σ(n): 6328108800
• Sum of proper divisors (its aliquot sum) s(n): 4187258910
• 2140849890 is an abundant number, because the sum of its proper divisors (4187258910) is greater than itself. Its abundance is 2046409020

Bases of 2140849890

• Binary: 1111111100110101100011011100010₂
• Hexadecimal: 0x7F9AC6E2
• Base-36: ZELUCI

Squares and roots of 2140849890

• 2140849890 squared (2140849890²) is 4583238251513012100
• 2140849890 cubed (2140849890³) is 9812025106595424287853669000
• The square root of 2140849890 is 46269.3191002417
• The cube root of 2140849890 is 1288.8293146955

Scales and comparisons

• 2,140,849,890 seconds is equal to 68 years, 3 weeks, 5 days, 8 hours, 31 minutes, 30 seconds.
• To count from 1 to 2,140,849,890 would take you about one hundred thirty-six 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 2140849890 cubic inches would be around 107.4 feet tall.

Recreational maths with 2140849890

• 2140849890 backwards is 0989480412
• 2140849890 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2140849890's digits is 45
• More coming soon!