28470750

Names of 28470750

• Cardinal: 28470750 can be written as Twenty-eight million, four hundred seventy thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 2.847075 × 10⁷

Factors of 28470750

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 74

Divisors of 28470750

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 17 21 22 25 29 30 33 34 35 42 50 51 55 58 66 70 75 77 85 87 102 105 110 119 125 145 150 154 165 170 174 175 187 203 210 231 238 250 255 275 290 319 330 350 357 374 375 385 406 425 435 462 493 510 525 550 561 595 609 638 714 725 750 770 825 850 870 875 935 957 986 1015 1050 1122 1155 1190 1218 1275 1309 1375 1450 1479 1595 1650 1750 1785 1870 1914 1925 2030 2125 2175 2233 2310 2465 2550 2618 2625 2750 2805 2958 2975 3045 3190 3451 3570 3625 3850 3927 4125 4250 4350 4466 4675 4785 4930 5075 5250 5423 5610 5775 5950 6090 6375 6545 6699 6902 7250 7395 7854 7975 8250 8925 9350 9570 9625 10150 10353 10846 10875 11165 11550 12325 12750 13090 13398 14025 14790 14875 15225 15950 16269 17255 17850 19250 19635 20706 21750 22330 23375 23925 24650 25375 27115 28050 28875 29750 30450 32538 32725 33495 34510 36975 37961 39270 39875 44625 46750 47850 50750 51765 54230 55825 57750 61625 65450 66990 70125 73950 75922 76125 79750 81345 86275 89250 98175 103530 111650 113883 119625 123250 135575 140250 152250 162690 163625 167475 172550 184875 189805 196350 227766 239250 258825 271150 279125 327250 334950 369750 379610 406725 431375 490875 517650 558250 569415 677875 813450 837375 862750 949025 981750 1138830 1294125 1355750 1674750 1898050 2033625 2588250 2847075 4067250 4745125 5694150 9490250 14235375 28470750
• Sum of all divisors σ(n): 97044480
• Sum of proper divisors (its aliquot sum) s(n): 68573730
• 28470750 is an abundant number, because the sum of its proper divisors (68573730) is greater than itself. Its abundance is 40102980

Bases of 28470750

• Binary: 1101100100110110111011110₂
• Hexadecimal: 0x1B26DDE
• Base-36: GY866

Squares and roots of 28470750

• 28470750 squared (28470750²) is 810583605562500
• 28470750 cubed (28470750³) is 23077923188068546875000
• The square root of 28470750 is 5335.7989092543
• The cube root of 28470750 is 305.3512034293

Scales and comparisons

• 28,470,750 seconds is equal to 47 weeks, 12 hours, 32 minutes, 30 seconds.
• To count from 1 to 28,470,750 would take you about eighteen weeks!

  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 28470750 cubic inches would be around 25.4 feet tall.

Recreational maths with 28470750

• 28470750 backwards is 05707482
• 28470750 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28470750's digits is 33
• More coming soon!