28439239470

Names of 28439239470

• Cardinal: 28439239470 can be written as Twenty-eight billion, four hundred thirty-nine million, two hundred thirty-nine thousand, four hundred seventy.

Scientific notation

• Scientific notation: 2.843923947 × 10¹⁰

Factors of 28439239470

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1110

Divisors of 28439239470

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 15 29 30 58 87 145 174 181 290 313 362 435 543 577 626 870 905 939 1086 1154 1565 1731 1810 1878 2715 2885 3130 3462 4695 5249 5430 5770 8655 9077 9390 10498 15747 16733 17310 18154 26245 27231 31494 33466 45385 50199 52490 54462 56653 78735 83665 90770 100398 104437 113306 136155 157470 167330 169959 180601 208874 250995 272310 283265 313311 339918 361202 501990 522185 541803 566530 626622 849795 903005 1044370 1083606 1566555 1642937 1699590 1806010 2709015 3028673 3133110 3285874 4928811 5237429 5418030 6057346 8214685 9086019 9857622 10474858 15143365 15712287 16429370 18172038 24644055 26187145 30286730 31424574 32688781 45430095 49288110 52374290 65377562 78561435 90860190 98066343 157122870 163443905 196132686 326887810 490331715 947974649 980663430 1895949298 2843923947 4739873245 5687847894 9479746490 14219619735 28439239470
• Sum of all divisors σ(n): 71348135040
• Sum of proper divisors (its aliquot sum) s(n): 42908895570
• 28439239470 is an abundant number, because the sum of its proper divisors (42908895570) is greater than itself. Its abundance is 14469656100

Bases of 28439239470

• Binary: 11010011111000111000101101100101110₂
• Hexadecimal: 0x69F1C5B2E
• Base-36: D2BZLM6

Squares and roots of 28439239470

• 28439239470 squared (28439239470²) is 808790341632005880900
• 28439239470 cubed (28439239470³) is 23001382206695725863363399123000
• The square root of 28439239470 is 168639.3769853293
• The cube root of 28439239470 is 3052.3851081055

Scales and comparisons

• 28,439,239,470 seconds is equal to 904 years, 14 weeks, 3 days, 20 hours, 44 minutes, 30 seconds.
• To count from 1 to 28,439,239,470 would take you about one thousand, eight hundred eight 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 28439239470 cubic inches would be around 254.4 feet tall.

Recreational maths with 28439239470

• 28439239470 backwards is 07493293482
• The number of decimal digits it has is: 11
• The sum of 28439239470's digits is 51
• More coming soon!