28979633040

Names of 28979633040

• Cardinal: 28979633040 can be written as Twenty-eight billion, nine hundred seventy-nine million, six hundred thirty-three thousand and forty.

Scientific notation

• Scientific notation: 2.897963304 × 10¹⁰

Factors of 28979633040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 501282

Divisors of 28979633040

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 241 482 723 964 1205 1446 1928 2410 2892 3615 3856 4820 5784 7230 9640 11568 14460 19280 28920 57840 501031 1002062 1503093 2004124 2505155 3006186 4008248 5010310 6012372 7515465 8016496 10020620 12024744 15030930 20041240 24049488 30061860 40082480 60123720 120247440 120748471 241496942 362245413 482993884 603742355 724490826 965987768 1207484710 1448981652 1811227065 1931975536 2414969420 2897963304 3622454130 4829938840 5795926608 7244908260 9659877680 14489816520 28979633040
• Sum of all divisors σ(n): 90209809536
• Sum of proper divisors (its aliquot sum) s(n): 61230176496
• 28979633040 is an abundant number, because the sum of its proper divisors (61230176496) is greater than itself. Its abundance is 32250543456

Bases of 28979633040

• Binary: 11010111111010100100001101110010000₂
• Hexadecimal: 0x6BF521B90
• Base-36: DB9Q3YO

Squares and roots of 28979633040

• 28979633040 squared (28979633040²) is 839819131133059641600
• 28979633040 cubed (28979633040³) is 24337650240207707826001918464000
• The square root of 28979633040 is 170234.0537025421
• The cube root of 28979633040 is 3071.5974186937

Scales and comparisons

• 28,979,633,040 seconds is equal to 921 years, 24 weeks, 10 hours, 4 minutes.
• To count from 1 to 28,979,633,040 would take you about one thousand, eight hundred forty-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 28979633040 cubic inches would be around 256 feet tall.

Recreational maths with 28979633040

• 28979633040 backwards is 04033697982
• The number of decimal digits it has is: 11
• The sum of 28979633040's digits is 51
• More coming soon!