28768731840

Names of 28768731840

• Cardinal: 28768731840 can be written as Twenty-eight billion, seven hundred sixty-eight million, seven hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.876873184 × 10¹⁰

Factors of 28768731840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 76394

Divisors of 28768731840

• Number of divisors d(n): 168
• 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 64 72 80 90 96 120 131 144 160 180 192 240 262 288 320 360 393 480 524 576 655 720 786 960 1048 1179 1310 1440 1572 1965 2096 2358 2620 2880 3144 3930 4192 4716 5240 5895 6288 7860 8384 9432 10480 11790 12576 15720 18864 20960 23580 25152 31440 37728 41920 47160 62880 75456 76253 94320 125760 152506 188640 228759 305012 377280 381265 457518 610024 686277 762530 915036 1143795 1220048 1372554 1525060 1830072 2287590 2440096 2745108 3050120 3431385 3660144 4575180 4880192 5490216 6100240 6862770 7320288 9150360 9989143 10980432 12200480 13725540 14640576 18300720 19978286 21960864 24400960 27451080 29967429 36601440 39956572 43921728 49945715 54902160 59934858 73202880 79913144 89902287 99891430 109804320 119869716 149837145 159826288 179804574 199782860 219608640 239739432 299674290 319652576 359609148 399565720 449511435 479478864 599348580 639305152 719218296 799131440 899022870 958957728 1198697160 1438436592 1598262880 1798045740 1917915456 2397394320 2876873184 3196525760 3596091480 4794788640 5753746368 7192182960 9589577280 14384365920 28768731840
• Sum of all divisors σ(n): 99709120368
• Sum of proper divisors (its aliquot sum) s(n): 70940388528
• 28768731840 is an abundant number, because the sum of its proper divisors (70940388528) is greater than itself. Its abundance is 42171656688

Bases of 28768731840

• Binary: 11010110010110000000000001011000000₂
• Hexadecimal: 0x6B2C002C0
• Base-36: D7S5RK0

Squares and roots of 28768731840

• 28768731840 squared (28768731840²) is 827639931681829785600
• 28768731840 cubed (28768731840³) is 23810151254630481302451093504000
• The square root of 28768731840 is 169613.4777663615
• The cube root of 28768731840 is 3064.1280183385

Scales and comparisons

• 28,768,731,840 seconds is equal to 914 years, 39 weeks, 2 days, 10 hours, 24 minutes.
• To count from 1 to 28,768,731,840 would take you about one thousand, eight hundred twenty-nine 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 28768731840 cubic inches would be around 255.3 feet tall.

Recreational maths with 28768731840

• 28768731840 backwards is 04813786782
• The number of decimal digits it has is: 11
• The sum of 28768731840's digits is 54
• More coming soon!