90148539840

Names of 90148539840

• Cardinal: 90148539840 can be written as Ninety billion, one hundred forty-eight million, five hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 9.014853984 × 10¹⁰

Factors of 90148539840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2724

Divisors of 90148539840

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 193 240 320 386 480 579 772 960 965 1158 1544 1930 2316 2521 2895 3088 3860 4632 5042 5790 6176 7563 7720 9264 10084 11580 12352 12605 15126 15440 18528 20168 23160 25210 30252 30880 37056 37249 37815 40336 46320 50420 60504 61760 74498 75630 80672 92640 100840 111747 121008 148996 151260 161344 185280 186245 201680 223494 242016 297992 302520 372490 403360 446988 484032 486553 558735 595984 605040 744980 806720 893976 973106 1117470 1191968 1210080 1459659 1489960 1787952 1946212 2234940 2383936 2420160 2432765 2919318 2979920 3575904 3892424 4469880 4865530 5838636 5959840 7151808 7298295 7784848 8939760 9731060 11677272 11919680 14596590 15569696 17879520 19462120 23354544 29193180 31139392 35759040 38924240 46709088 58386360 77848480 93418176 93904729 116772720 155696960 187809458 233545440 281714187 375618916 467090880 469523645 563428374 751237832 939047290 1126856748 1408570935 1502475664 1878094580 2253713496 2817141870 3004951328 3756189160 4507426992 5634283740 6009902656 7512378320 9014853984 11268567480 15024756640 18029707968 22537134960 30049513280 45074269920 90148539840
• Sum of all divisors σ(n): 287826437808
• Sum of proper divisors (its aliquot sum) s(n): 197677897968
• 90148539840 is an abundant number, because the sum of its proper divisors (197677897968) is greater than itself. Its abundance is 107529358128

Bases of 90148539840

• Binary: 1010011111101010001011000110111000000₂
• Hexadecimal: 0x14FD458DC0
• Base-36: 15EW42IO

Squares and roots of 90148539840

• 90148539840 squared (90148539840²) is 8126759235284067225600
• 90148539840 cubed (90148539840³) is 732615478692093668004239867904000
• The square root of 90148539840 is 300247.4643356709
• The cube root of 90148539840 is 4483.8688253139

Scales and comparisons

• 90,148,539,840 seconds is equal to 2,866 years, 23 weeks, 21 hours, 4 minutes.
• To count from 1 to 90,148,539,840 would take you about five thousand, seven hundred thirty-two 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 90148539840 cubic inches would be around 373.7 feet tall.

Recreational maths with 90148539840

• 90148539840 backwards is 04893584109
• The number of decimal digits it has is: 11
• The sum of 90148539840's digits is 51
• More coming soon!