28897483321440

Names of 28897483321440

• Cardinal: 28897483321440 can be written as Twenty-eight trillion, eight hundred ninety-seven billion, four hundred eighty-three million, three hundred twenty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.889748332144 × 10¹³

Factors of 28897483321440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 20067696761

Divisors of 28897483321440

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 20067696751 40135393502 60203090253 80270787004 100338483755 120406180506 160541574008 180609270759 200676967510 240812361012 301015451265 321083148016 361218541518 401353935020 481624722024 602030902530 642166296032 722437083036 802707870040 903046353795 963249444048 1204061805060 1444874166072 1605415740080 1806092707590 1926498888096 2408123610120 2889748332144 3210831480160 3612185415180 4816247220240 5779496664288 7224370830360 9632494440480 14448741660720 28897483321440
• Sum of all divisors σ(n): 98612661839328
• Sum of proper divisors (its aliquot sum) s(n): 69715178517888
• 28897483321440 is an abundant number, because the sum of its proper divisors (69715178517888) is greater than itself. Its abundance is 40817695196448

Bases of 28897483321440

• Binary: 110100100100000111000001110100111000001100000₂
• Hexadecimal: 0x1A48383A7060
• Base-36: A8RBJGIG0

Squares and roots of 28897483321440

• 28897483321440 squared (28897483321440²) is 835064542312902974363673600
• 28897483321440 cubed (28897483321440³) is 24131263683813040863383225753008041984000
• The square root of 28897483321440 is 5375637.9455316743
• The cube root of 28897483321440 is 30686.9227872741

Scales and comparisons

• 28,897,483,321,440 seconds is equal to 918,850 years, 30 weeks, 2 days, 12 hours, 24 minutes.
• To count from 1 to 28,897,483,321,440 would take you about two million, two hundred ninety-seven thousand, 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 28897483321440 cubic inches would be around 2557.2 feet tall.

Recreational maths with 28897483321440

• 28897483321440 backwards is 04412338479882
• The number of decimal digits it has is: 14
• The sum of 28897483321440's digits is 63
• More coming soon!