990145893492

Names of 990145893492

• Cardinal: 990145893492 can be written as Nine hundred ninety billion, one hundred forty-five million, eight hundred ninety-three thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 9.90145893492 × 10¹¹

Factors of 990145893492

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 408797

Divisors of 990145893492

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 59 63 84 118 126 163 177 236 252 326 354 413 489 531 652 708 826 978 1062 1141 1239 1467 1652 1956 2124 2282 2478 2934 3423 3717 4564 4956 5868 6846 7434 9617 10269 13692 14868 19234 20538 28851 38468 41076 57702 67319 86553 115404 134638 173106 201957 269276 346212 403914 408563 605871 807828 817126 1211742 1225689 1634252 2423484 2451378 2859941 3677067 4902756 5719882 7354134 8579823 11439764 14708268 17159646 24105217 25739469 34319292 48210434 51478938 66595769 72315651 96420868 102957876 133191538 144631302 168736519 199787307 216946953 266383076 289262604 337473038 399574614 433893906 466170383 506209557 599361921 674946076 799149228 867787812 932340766 1012419114 1198723842 1398511149 1518628671 1864681532 2024838228 2397447684 2797022298 3037257342 3929150371 4195533447 5594044596 6074514684 7858300742 8391066894 11787451113 15716601484 16782133788 23574902226 27504052597 35362353339 47149804452 55008105194 70724706678 82512157791 110016210388 141449413356 165024315582 247536473373 330048631164 495072946746 990145893492
• Sum of all divisors σ(n): 2926756385280
• Sum of proper divisors (its aliquot sum) s(n): 1936610491788
• 990145893492 is an abundant number, because the sum of its proper divisors (1936610491788) is greater than itself. Its abundance is 946464598296

Bases of 990145893492

• Binary: 1110011010001001010010110101010001110100₂
• Hexadecimal: 0xE6894B5474
• Base-36: CMV7AT10

Squares and roots of 990145893492

• 990145893492 squared (990145893492²) is 980388890399071007954064
• 990145893492 cubed (990145893492³) is 970728033853818623617429738172551488
• The square root of 990145893492 is 995060.7486440213
• The cube root of 990145893492 is 9967.0444910559

Scales and comparisons

• 990,145,893,492 seconds is equal to 31,483 years, 29 weeks, 6 days, 21 hours, 58 minutes, 12 seconds.
• To count from 1 to 990,145,893,492 would take you about sixty-two thousand, nine hundred sixty-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 990145893492 cubic inches would be around 830.6 feet tall.

Recreational maths with 990145893492

• 990145893492 backwards is 294398541099
• 990145893492 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990145893492's digits is 63
• More coming soon!