28015390080

Names of 28015390080

• Cardinal: 28015390080 can be written as Twenty-eight billion, fifteen million, three hundred ninety thousand and eighty.

Scientific notation

• Scientific notation: 2.801539008 × 10¹⁰

Factors of 28015390080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 27548

Divisors of 28015390080

• Number of divisors d(n): 256
• 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 59 60 64 72 80 90 96 108 118 120 128 135 144 160 177 180 192 216 236 240 270 288 295 320 354 360 384 432 472 480 531 540 576 590 640 708 720 864 885 944 960 1062 1080 1152 1180 1416 1440 1593 1728 1770 1888 1920 2124 2160 2360 2655 2832 2880 3186 3456 3540 3776 4248 4320 4720 5310 5664 5760 6372 7080 7552 7965 8496 8640 9440 10620 11328 12744 14160 15930 16992 17280 18880 21240 22656 25488 27479 28320 31860 33984 37760 42480 50976 54958 56640 63720 67968 82437 84960 101952 109916 113280 127440 137395 164874 169920 203904 219832 247311 254880 274790 329748 339840 412185 439664 494622 509760 549580 659496 741933 824370 879328 989244 1019520 1099160 1236555 1318992 1483866 1621261 1648740 1758656 1978488 2198320 2473110 2637984 2967732 3242522 3297480 3517312 3709665 3956976 4396640 4863783 4946220 5275968 5935464 6485044 6594960 7419330 7913952 8106305 8793280 9727566 9892440 10551936 11870928 12970088 13189920 14591349 14838660 15827904 16212610 17586560 19455132 19784880 23741856 24318915 25940176 26379840 29182698 29677320 31655808 32425220 38910264 39569760 43774047 47483712 48637830 51880352 52759680 58365396 59354640 64850440 72956745 77820528 79139520 87548094 94967424 97275660 103760704 116730792 118709280 129700880 145913490 155641056 158279040 175096188 194551320 207521408 218870235 233461584 237418560 259401760 291826980 311282112 350192376 389102640 437740470 466923168 474837120 518803520 583653960 622564224 700384752 778205280 875480940 933846336 1037607040 1167307920 1400769504 1556410560 1750961880 1867692672 2334615840 2801539008 3112821120 3501923760 4669231680 5603078016 7003847520 9338463360 14007695040 28015390080
• Sum of all divisors σ(n): 100906560000
• Sum of proper divisors (its aliquot sum) s(n): 72891169920
• 28015390080 is an abundant number, because the sum of its proper divisors (72891169920) is greater than itself. Its abundance is 44875779840

Bases of 28015390080

• Binary: 11010000101110110001110110110000000₂
• Hexadecimal: 0x685D8ED80
• Base-36: CVBN1C0

Squares and roots of 28015390080

• 28015390080 squared (28015390080²) is 784862081334562406400
• 28015390080 cubed (28015390080³) is 21988217367588452801399488512000
• The square root of 28015390080 is 167377.9856492483
• The cube root of 28015390080 is 3037.1452193467

Scales and comparisons

• 28,015,390,080 seconds is equal to 890 years, 41 weeks, 5 days, 4 hours, 48 minutes.
• To count from 1 to 28,015,390,080 would take you about one thousand, seven hundred eighty-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 28015390080 cubic inches would be around 253.1 feet tall.

Recreational maths with 28015390080

• 28015390080 backwards is 08009351082
• 28015390080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28015390080's digits is 36
• More coming soon!