28909338432

Names of 28909338432

• Cardinal: 28909338432 can be written as Twenty-eight billion, nine hundred nine million, three hundred thirty-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.8909338432 × 10¹⁰

Factors of 28909338432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 609630

Divisors of 28909338432

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 114 152 156 192 208 228 247 304 312 416 456 494 608 624 741 832 912 988 1216 1248 1482 1824 1976 2496 2964 3648 3952 5928 7904 11856 15808 23712 47424 609593 1219186 1828779 2438372 3657558 4876744 7315116 7924709 9753488 11582267 14630232 15849418 19506976 23164534 23774127 29260464 31698836 34746801 39013952 46329068 47548254 58520928 63397672 69493602 92658136 95096508 117041856 126795344 138987204 150569471 185316272 190193016 253590688 277974408 301138942 370632544 380386032 451708413 507181376 555948816 602277884 741265088 760772064 903416826 1111897632 1204555768 1521544128 1806833652 2223795264 2409111536 3613667304 4818223072 7227334608 9636446144 14454669216 28909338432
• Sum of all divisors σ(n): 86708650560
• Sum of proper divisors (its aliquot sum) s(n): 57799312128
• 28909338432 is an abundant number, because the sum of its proper divisors (57799312128) is greater than itself. Its abundance is 28889973696

Bases of 28909338432

• Binary: 11010111011001000010111111101000000₂
• Hexadecimal: 0x6BB217F40
• Base-36: DA3VGAO

Squares and roots of 28909338432

• 28909338432 squared (28909338432²) is 835749848575912218624
• 28909338432 cubed (28909338432³) is 24160975216973799571325189357568
• The square root of 28909338432 is 170027.4637580647
• The cube root of 28909338432 is 3069.1118621225

Scales and comparisons

• 28,909,338,432 seconds is equal to 919 years, 11 weeks, 5 days, 19 hours, 47 minutes, 12 seconds.
• To count from 1 to 28,909,338,432 would take you about one thousand, eight hundred thirty-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 28909338432 cubic inches would be around 255.8 feet tall.

Recreational maths with 28909338432

• 28909338432 backwards is 23483390982
• The number of decimal digits it has is: 11
• The sum of 28909338432's digits is 51
• More coming soon!