28939042080

Names of 28939042080

• Cardinal: 28939042080 can be written as Twenty-eight billion, nine hundred thirty-nine million, forty-two thousand and eighty.

Scientific notation

• Scientific notation: 2.893904208 × 10¹⁰

Factors of 28939042080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 16057

Divisors of 28939042080

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 65 72 78 80 90 96 97 104 117 120 130 144 156 160 180 194 195 208 234 240 260 288 291 312 360 388 390 416 468 480 485 520 582 585 624 720 776 780 873 936 970 1040 1164 1170 1248 1261 1440 1455 1552 1560 1746 1872 1940 2080 2328 2340 2522 2910 3104 3120 3492 3744 3783 3880 4365 4656 4680 5044 5820 6240 6305 6984 7566 7760 8730 9312 9360 10088 11349 11640 12610 13968 15132 15520 15937 17460 18720 18915 20176 22698 23280 25220 27936 30264 31874 34920 37830 40352 45396 46560 47811 50440 56745 60528 63748 69840 75660 79685 90792 95622 100880 113490 121056 127496 139680 143433 151320 159370 181584 191244 201760 207181 226980 239055 254992 286866 302640 318740 363168 382488 414362 453960 478110 509984 573732 605280 621543 637480 717165 764976 828724 907920 956220 1035905 1147464 1243086 1274960 1434330 1529952 1545889 1657448 1815840 1864629 1912440 2071810 2294928 2486172 2549920 2868660 3091778 3107715 3314896 3729258 3824880 4143620 4589856 4637667 4972344 5737320 6183556 6215430 6629792 7458516 7649760 7729445 8287240 9275334 9323145 9944688 11474640 12367112 12430860 13913001 14917032 15458890 16574480 18550668 18646290 19889376 20096557 22949280 23188335 24734224 24861720 27826002 29834064 30917780 33148960 37101336 37292580 40193114 46376670 49468448 49723440 55652004 59668128 60289671 61835560 69565005 74202672 74585160 80386228 92753340 99446880 100482785 111304008 120579342 123671120 139130010 148405344 149170320 160772456 180869013 185506680 200965570 222608016 241158684 247342240 278260020 298340640 301448355 321544912 361738026 371013360 401931140 445216032 482317368 556520040 602896710 643089824 723476052 742026720 803862280 904345065 964634736 1113040080 1205793420 1446952104 1607724560 1808690130 1929269472 2226080160 2411586840 2893904208 3215449120 3617380260 4823173680 5787808416 7234760520 9646347360 14469521040 28939042080
• Sum of all divisors σ(n): 107454123504
• Sum of proper divisors (its aliquot sum) s(n): 78515081424
• 28939042080 is an abundant number, because the sum of its proper divisors (78515081424) is greater than itself. Its abundance is 49576039344

Bases of 28939042080

• Binary: 11010111100111001101011110100100000₂
• Hexadecimal: 0x6BCE6BD20
• Base-36: DALK3S0

Squares and roots of 28939042080

• 28939042080 squared (28939042080²) is 837468156508010726400
• 28939042080 cubed (28939042080³) is 24235526221845348268380966912000
• The square root of 28939042080 is 170114.7908913273
• The cube root of 28939042080 is 3070.1626484577

Scales and comparisons

• 28,939,042,080 seconds is equal to 920 years, 8 weeks, 6 days, 14 hours, 48 minutes.
• To count from 1 to 28,939,042,080 would take you about one thousand, eight hundred forty 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 28939042080 cubic inches would be around 255.8 feet tall.

Recreational maths with 28939042080

• 28939042080 backwards is 08024093982
• 28939042080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28939042080's digits is 45
• More coming soon!