18146156490

Names of 18146156490

• Cardinal: 18146156490 can be written as Eighteen billion, one hundred forty-six million, one hundred fifty-six thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.814615649 × 10¹⁰

Factors of 18146156490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 51388

Divisors of 18146156490

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 17 18 21 22 27 30 33 34 35 42 45 51 54 55 63 66 70 77 85 90 99 102 105 110 119 126 135 153 154 165 170 187 189 198 210 231 238 255 270 297 306 315 330 357 374 378 385 459 462 495 510 561 594 595 630 693 714 765 770 918 935 945 990 1071 1122 1155 1190 1309 1386 1485 1530 1683 1785 1870 1890 2079 2142 2295 2310 2618 2805 2970 3213 3366 3465 3570 3927 4158 4590 5049 5355 5610 6426 6545 6930 7854 8415 10098 10395 10710 11781 13090 16065 16830 19635 20790 23562 25245 32130 35343 39270 50490 51343 58905 70686 102686 117810 154029 176715 256715 308058 353430 359401 462087 513430 564773 718802 770145 872831 924174 1078203 1129546 1386261 1540290 1694319 1745662 1797005 2156406 2310435 2618493 2772522 2823865 3234609 3388638 3594010 3953411 4364155 4620870 5082957 5236986 5391015 5647730 6109817 6469218 6931305 7855479 7906822 8471595 8728310 9601141 9703827 10165914 10782030 11860233 12219634 13092465 13862610 15248871 15710958 16173045 16943190 18329451 19202282 19407654 19767055 23566437 23720466 25414785 26184930 28803423 30497742 30549085 32346090 35580699 36658902 39277395 39534110 47132874 48005705 48519135 50829570 54988353 57606846 59301165 61098170 67207987 71161398 76244355 78554790 86410269 91647255 96011410 97038270 106742097 109976706 117832185 118602330 134415974 144017115 152488710 164965059 172820538 177903495 183294510 201623961 213484194 235664370 259230807 274941765 288034230 329930118 336039935 355806990 403247922 432051345 518461614 533710485 549883530 604871883 672079870 824825295 864102690 1008119805 1067420970 1209743766 1296154035 1649650590 1814615649 2016239610 2592308070 3024359415 3629231298 6048718830 9073078245 18146156490
• Sum of all divisors σ(n): 63880151040
• Sum of proper divisors (its aliquot sum) s(n): 45733994550
• 18146156490 is an abundant number, because the sum of its proper divisors (45733994550) is greater than itself. Its abundance is 27587838060

Bases of 18146156490

• Binary: 10000111001100110000101111111001010₂
• Hexadecimal: 0x439985FCA
• Base-36: 8C3R3YI

Squares and roots of 18146156490

• 18146156490 squared (18146156490²) is 329282995359569120100
• 18146156490 cubed (18146156490³) is 5975220763290685072306204449000
• The square root of 18146156490 is 134707.6704942967
• The cube root of 18146156490 is 2627.8155846281

Scales and comparisons

• 18,146,156,490 seconds is equal to 576 years, 51 weeks, 3 days, 23 hours, 1 minute, 30 seconds.
• To count from 1 to 18,146,156,490 would take you about one thousand, one hundred fifty-three 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 18146156490 cubic inches would be around 219 feet tall.

Recreational maths with 18146156490

• 18146156490 backwards is 09465164181
• 18146156490 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18146156490's digits is 45
• More coming soon!