28398906000

Names of 28398906000

• Cardinal: 28398906000 can be written as Twenty-eight billion, three hundred ninety-eight million, nine hundred six thousand.

Scientific notation

• Scientific notation: 2.8398906 × 10¹⁰

Factors of 28398906000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 42688

Divisors of 28398906000

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 37 40 45 48 50 60 72 74 75 80 90 100 111 120 125 144 148 150 180 185 200 222 225 240 250 296 300 333 360 370 375 400 444 450 500 555 592 600 666 720 740 750 888 900 925 1000 1110 1125 1200 1332 1480 1500 1665 1776 1800 1850 2000 2220 2250 2664 2775 2960 3000 3330 3600 3700 4440 4500 4625 5328 5550 6000 6660 7400 8325 8880 9000 9250 11100 13320 13875 14800 16650 18000 18500 22200 26640 27750 33300 37000 41625 42641 44400 55500 66600 74000 83250 85282 111000 127923 133200 166500 170564 213205 222000 255846 333000 341128 383769 426410 511692 639615 666000 682256 767538 852820 1023384 1066025 1279230 1535076 1577717 1705640 1918845 2046768 2132050 2558460 3070152 3155434 3198075 3411280 3837690 4264100 4733151 5116920 5330125 6140304 6310868 6396150 7675380 7888585 8528200 9466302 9594225 10233840 10660250 12621736 12792300 14199453 15350760 15777170 15990375 17056400 18932604 19188450 21320500 23665755 25243472 25584600 28398906 30701520 31554340 31980750 37865208 38376900 39442925 42641000 47331510 47971125 51169200 56797812 63108680 63961500 70997265 75730416 76753800 78885850 85282000 94663020 95942250 113595624 118328775 126217360 127923000 141994530 153507600 157771700 189326040 191884500 197214625 227191248 236657550 255846000 283989060 315543400 354986325 378652080 383769000 394429250 473315100 567978120 591643875 631086800 709972650 767538000 788858500 946630200 1135956240 1183287750 1419945300 1577717000 1774931625 1893260400 2366575500 2839890600 3155434000 3549863250 4733151000 5679781200 7099726500 9466302000 14199453000 28398906000
• Sum of all divisors σ(n): 101871055728
• Sum of proper divisors (its aliquot sum) s(n): 73472149728
• 28398906000 is an abundant number, because the sum of its proper divisors (73472149728) is greater than itself. Its abundance is 45073243728

Bases of 28398906000

• Binary: 11010011100101101001110101010010000₂
• Hexadecimal: 0x69CB4EA90
• Base-36: D1NZ440

Squares and roots of 28398906000

• 28398906000 squared (28398906000²) is 806497861996836000000
• 28398906000 cubed (28398906000³) is 22903656972049117861416000000000
• The square root of 28398906000 is 168519.7495844329
• The cube root of 28398906000 is 3050.9414275607

Scales and comparisons

• 28,398,906,000 seconds is equal to 902 years, 51 weeks, 6 days, 1 hour.
• To count from 1 to 28,398,906,000 would take you about one thousand, eight hundred five 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 28398906000 cubic inches would be around 254.2 feet tall.

Recreational maths with 28398906000

• 28398906000 backwards is 00060989382
• 28398906000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28398906000's digits is 45
• More coming soon!