28638200160

Names of 28638200160

• Cardinal: 28638200160 can be written as Twenty-eight billion, six hundred thirty-eight million, two hundred thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.863820016 × 10¹⁰

Factors of 28638200160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6629223

Divisors of 28638200160

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 6629213 13258426 19887639 26516852 33146065 39775278 53033704 59662917 66292130 79550556 99438195 106067408 119325834 132584260 159101112 178988751 198876390 212134816 238651668 265168520 298314585 318202224 357977502 397752780 477303336 530337040 596629170 636404448 715955004 795505560 894943755 954606672 1060674080 1193258340 1431910008 1591011120 1789887510 1909213344 2386516680 2863820016 3182022240 3579775020 4773033360 5727640032 7159550040 9546066720 14319100080 28638200160
• Sum of all divisors σ(n): 100233715680
• Sum of proper divisors (its aliquot sum) s(n): 71595515520
• 28638200160 is an abundant number, because the sum of its proper divisors (71595515520) is greater than itself. Its abundance is 42957315360

Bases of 28638200160

• Binary: 11010101010111110000100000101100000₂
• Hexadecimal: 0x6AAF84160
• Base-36: D5MG0O0

Squares and roots of 28638200160

• 28638200160 squared (28638200160²) is 820146508404224025600
• 28638200160 cubed (28638200160³) is 23487519868205289834613764096000
• The square root of 28638200160 is 169228.2487057051
• The cube root of 28638200160 is 3059.4867266745

Scales and comparisons

• 28,638,200,160 seconds is equal to 910 years, 31 weeks, 3 days, 15 hours, 36 minutes.
• To count from 1 to 28,638,200,160 would take you about one thousand, eight hundred twenty-one 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 28638200160 cubic inches would be around 255 feet tall.

Recreational maths with 28638200160

• 28638200160 backwards is 06100283682
• 28638200160 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28638200160's digits is 36
• More coming soon!