42696990

Names of 42696990

• Cardinal: 42696990 can be written as Forty-two million, six hundred ninety-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 4.269699 × 10⁷

Factors of 42696990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 106

Divisors of 42696990

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 27 29 30 35 38 41 42 45 54 57 58 63 70 82 87 90 95 105 114 123 126 133 135 145 171 174 189 190 203 205 210 246 261 266 270 285 287 290 315 342 369 378 399 406 410 435 513 522 551 570 574 609 615 630 665 738 779 783 798 855 861 870 945 1015 1026 1102 1107 1189 1197 1218 1230 1305 1330 1435 1558 1566 1653 1710 1722 1827 1845 1890 1995 2030 2214 2337 2378 2394 2565 2583 2610 2755 2870 3045 3306 3567 3591 3654 3690 3857 3895 3915 3990 4305 4674 4959 5130 5166 5453 5481 5510 5535 5945 5985 6090 7011 7134 7182 7714 7749 7790 7830 8265 8323 8610 9135 9918 10701 10906 10962 11070 11571 11685 11890 11970 12915 14022 14877 15498 16359 16530 16646 17835 17955 18270 19285 21033 21402 22591 23142 23370 24795 24969 25830 27265 27405 29754 32103 32718 34713 35055 35670 35910 38570 38745 41615 42066 45182 49077 49590 49938 53505 54530 54810 57855 64206 67773 69426 70110 74385 74907 77490 81795 83230 98154 104139 105165 107010 112955 115710 124845 135546 147231 148770 149814 158137 160515 163590 173565 203319 208278 210330 224721 225910 245385 249690 294462 316274 321030 338865 347130 374535 406638 449442 474411 490770 520695 609957 677730 736155 749070 790685 948822 1016595 1041390 1123605 1219914 1423233 1472310 1581370 2033190 2247210 2372055 2846466 3049785 4269699 4744110 6099570 7116165 8539398 14232330 21348495 42696990
• Sum of all divisors σ(n): 145152000
• Sum of proper divisors (its aliquot sum) s(n): 102455010
• 42696990 is an abundant number, because the sum of its proper divisors (102455010) is greater than itself. Its abundance is 59758020

Bases of 42696990

• Binary: 10100010111000000100011110₂
• Hexadecimal: 0x28B811E
• Base-36: PF57I

Squares and roots of 42696990

• 42696990 squared (42696990²) is 1823032955060100
• 42696990 cubed (42696990³) is 77838019851871539099000
• The square root of 42696990 is 6534.2933818433
• The cube root of 42696990 is 349.5149471403

Scales and comparisons

• 42,696,990 seconds is equal to 1 year, 18 weeks, 4 days, 4 hours, 16 minutes, 30 seconds.
• To count from 1 to 42,696,990 would take you about 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 42696990 cubic inches would be around 29.1 feet tall.

Recreational maths with 42696990

• 42696990 backwards is 09969624
• 42696990 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42696990's digits is 45
• More coming soon!