28027847680

Names of 28027847680

• Cardinal: 28027847680 can be written as Twenty-eight billion, twenty-seven million, eight hundred forty-seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.802784768 × 10¹⁰

Factors of 28027847680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1826

Divisors of 28027847680

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 709 896 1024 1103 1120 1280 1418 1792 2206 2240 2560 2836 3545 3584 4412 4480 4963 5120 5515 5672 7090 7168 7721 8824 8960 9926 11030 11344 14180 15442 17648 17920 19852 22060 22688 24815 28360 30884 35296 35840 38605 39704 44120 45376 49630 56720 61768 70592 77210 79408 88240 90752 99260 113440 123536 141184 154420 158816 176480 181504 198520 226880 247072 282368 308840 317632 352960 363008 397040 453760 494144 564736 617680 635264 705920 726016 782027 794080 907520 988288 1129472 1235360 1270528 1411840 1564054 1588160 1815040 1976576 2470720 2541056 2823680 3128108 3176320 3630080 3910135 3953152 4941440 5082112 5474189 5647360 6256216 6352640 7820270 7906304 9882880 10948378 12512432 12705280 15640540 19765760 21896756 25024864 25410560 27370945 31281080 39531520 43793512 50049728 54741890 62562160 87587024 100099456 109483780 125124320 175174048 200198912 218967560 250248640 350348096 400397824 437935120 500497280 700696192 800795648 875870240 1000994560 1401392384 1751740480 2001989120 2802784768 3503480960 4003978240 5605569536 7006961920 14013923840 28027847680
• Sum of all divisors σ(n): 77016983040
• Sum of proper divisors (its aliquot sum) s(n): 48989135360
• 28027847680 is an abundant number, because the sum of its proper divisors (48989135360) is greater than itself. Its abundance is 20961287680

Bases of 28027847680

• Binary: 11010000110100101110000010000000000₂
• Hexadecimal: 0x686970400
• Base-36: CVJ21OG

Squares and roots of 28027847680

• 28027847680 squared (28027847680²) is 785560245573281382400
• 28027847680 cubed (28027847680³) is 22017562906391324863687032832000
• The square root of 28027847680 is 167415.1954871481
• The cube root of 28027847680 is 3037.5953282981

Scales and comparisons

• 28,027,847,680 seconds is equal to 891 years, 10 weeks, 2 days, 9 hours, 14 minutes, 40 seconds.
• To count from 1 to 28,027,847,680 would take you about one thousand, seven hundred eighty-two 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 28027847680 cubic inches would be around 253.1 feet tall.

Recreational maths with 28027847680

• 28027847680 backwards is 08674872082
• The number of decimal digits it has is: 11
• The sum of 28027847680's digits is 52
• More coming soon!