1981616472

Names of 1981616472

• Cardinal: 1981616472 can be written as One billion, nine hundred eighty-one million, six hundred sixteen thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.981616472 × 10⁹

Factors of 1981616472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1967

Divisors of 1981616472

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 31 33 36 43 44 62 66 72 86 88 93 99 124 129 132 172 186 198 248 258 264 279 341 344 372 387 396 473 516 558 682 744 774 792 946 1023 1032 1116 1333 1364 1419 1548 1877 1892 2046 2232 2666 2728 2838 3069 3096 3754 3784 3999 4092 4257 5332 5631 5676 6138 7508 7998 8184 8514 10664 11262 11352 11997 12276 14663 15016 15996 16893 17028 20647 22524 23994 24552 29326 31992 33786 34056 41294 43989 45048 47988 58187 58652 61941 67572 80711 82588 87978 95976 116374 117304 123882 131967 135144 161422 165176 174561 175956 185823 232748 242133 247764 263934 322844 349122 351912 371646 465496 484266 495528 523683 527868 640057 645688 698244 726399 743292 887821 968532 1047366 1055736 1280114 1396488 1452798 1486584 1775642 1920171 1937064 2094732 2502041 2560228 2663463 2905596 3551284 3840342 4189464 5004082 5120456 5326926 5760513 5811192 7102568 7506123 7680684 7990389 10008164 10653852 11521026 15012246 15361368 15980778 20016328 21307704 22518369 23042052 27522451 30024492 31961556 45036738 46084104 55044902 60048984 63923112 82567353 90073476 110089804 165134706 180146952 220179608 247702059 330269412 495404118 660538824 990808236 1981616472
• Sum of all divisors σ(n): 6187484160
• Sum of proper divisors (its aliquot sum) s(n): 4205867688
• 1981616472 is an abundant number, because the sum of its proper divisors (4205867688) is greater than itself. Its abundance is 2224251216

Bases of 1981616472

• Binary: 1110110000111010001000101011000₂
• Hexadecimal: 0x761D1158
• Base-36: WRSX20

Squares and roots of 1981616472

• 1981616472 squared (1981616472²) is 3926803842101726784
• 1981616472 cubed (1981616472³) is 7781419175821668894817986048
• The square root of 1981616472 is 44515.3509701991
• The cube root of 1981616472 is 1256.0488624885

Scales and comparisons

• 1,981,616,472 seconds is equal to 63 years, 3 days, 9 hours, 1 minute, 12 seconds.
• To count from 1 to 1,981,616,472 would take you about one hundred twenty-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 1981616472 cubic inches would be around 104.7 feet tall.

Recreational maths with 1981616472

• 1981616472 backwards is 2746161891
• The number of decimal digits it has is: 10
• The sum of 1981616472's digits is 45
• More coming soon!