28472756742

Names of 28472756742

• Cardinal: 28472756742 can be written as Twenty-eight billion, four hundred seventy-two million, seven hundred fifty-six thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.8472756742 × 10¹⁰

Factors of 28472756742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 772

Divisors of 28472756742

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 27 29 37 54 58 74 87 111 174 222 261 333 522 666 701 783 999 1073 1402 1566 1998 2103 2146 3219 4206 6309 6438 9657 12618 18927 19314 20329 25937 28971 37854 40658 51874 57942 60987 77811 121974 155622 182961 233433 365922 466866 491401 548883 700299 752173 982802 1097766 1400598 1474203 1504346 2256519 2948406 4422609 4513038 6769557 8845218 13267827 13539114 14250629 18181837 20308671 26535654 28501258 36363674 40617342 42751887 54545511 85503774 109091022 128255661 163636533 256511322 327273066 384766983 490909599 527273273 769533966 981819198 1054546546 1581819819 3163639638 4745459457 9490918914 14236378371 28472756742
• Sum of all divisors σ(n): 67319690400
• Sum of proper divisors (its aliquot sum) s(n): 38846933658
• 28472756742 is an abundant number, because the sum of its proper divisors (38846933658) is greater than itself. Its abundance is 10374176916

Bases of 28472756742

• Binary: 11010100001000110111100101000000110₂
• Hexadecimal: 0x6A11BCA06
• Base-36: D2VXZPI

Squares and roots of 28472756742

• 28472756742 squared (28472756742²) is 810697876489106454564
• 28472756742 cubed (28472756742³) is 23082803428530289093742847670488
• The square root of 28472756742 is 168738.7233032181
• The cube root of 28472756742 is 3053.5837742011

Scales and comparisons

• 28,472,756,742 seconds is equal to 905 years, 17 weeks, 6 days, 19 hours, 5 minutes, 42 seconds.
• To count from 1 to 28,472,756,742 would take you about one thousand, eight hundred ten 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 28472756742 cubic inches would be around 254.5 feet tall.

Recreational maths with 28472756742

• 28472756742 backwards is 24765727482
• 28472756742 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28472756742's digits is 54
• More coming soon!