2009445438

Names of 2009445438

• Cardinal: 2009445438 can be written as Two billion, nine million, four hundred forty-five thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.009445438 × 10⁹

Factors of 2009445438

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 287

Divisors of 2009445438

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 11 13 14 21 22 26 29 33 39 42 58 66 77 78 83 87 91 139 143 154 166 174 182 203 231 249 273 278 286 319 377 406 417 429 462 498 546 581 609 638 754 834 858 913 957 973 1001 1079 1131 1162 1218 1529 1743 1807 1826 1914 1946 2002 2158 2233 2262 2407 2639 2739 2919 3003 3058 3237 3486 3614 4031 4147 4466 4587 4814 5278 5421 5478 5838 6006 6391 6474 6699 7221 7553 7917 8062 8294 9174 10703 10842 11537 11869 12093 12441 12649 12782 13398 14442 15106 15834 16849 19173 19877 21406 22659 23074 23738 24186 24882 25298 26477 28217 29029 31291 32109 33698 34611 35607 37947 38346 39754 44341 45318 50547 52403 52954 56434 58058 59631 62582 64218 69222 71214 75894 79431 80759 83083 84651 87087 88682 93873 101094 104806 119262 126907 133023 139139 149981 157209 158862 161518 166166 169302 174174 185339 187746 219037 242277 249249 253814 266046 278278 299962 310387 314418 334573 344201 366821 370678 380721 417417 438074 449943 484554 498498 556017 576433 620774 657111 669146 688402 733642 761442 834834 888349 899886 931161 1003719 1032603 1049867 1100463 1112034 1152866 1314222 1649791 1729299 1776698 1862322 2007438 2065206 2099734 2200926 2342011 2409407 2665047 3149601 3299582 3458598 3680303 4035031 4349449 4684022 4818814 4949373 5330094 6299202 7026033 7228221 7360606 8070062 8698898 9898746 11040909 11548537 12105093 13048347 14052066 14456442 22081818 23097074 24210186 25762121 26096694 30446143 34645611 47843939 51524242 60892286 69291222 77286363 91338429 95687878 143531817 154572726 182676858 287063634 334907573 669815146 1004722719 2009445438
• Sum of all divisors σ(n): 5689958400
• Sum of proper divisors (its aliquot sum) s(n): 3680512962
• 2009445438 is an abundant number, because the sum of its proper divisors (3680512962) is greater than itself. Its abundance is 1671067524

Bases of 2009445438

• Binary: 1110111110001011011010000111110₂
• Hexadecimal: 0x77C5B43E
• Base-36: X8DE0U

Squares and roots of 2009445438

• 2009445438 squared (2009445438²) is 4037870968299011844
• 2009445438 cubed (2009445438³) is 8113881396481091969833767672
• The square root of 2009445438 is 44826.8383672103
• The cube root of 2009445438 is 1261.9013533803

Scales and comparisons

• 2,009,445,438 seconds is equal to 63 years, 46 weeks, 3 days, 11 hours, 17 minutes, 18 seconds.
• To count from 1 to 2,009,445,438 would take you about one hundred twenty-seven 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 2009445438 cubic inches would be around 105.2 feet tall.

Recreational maths with 2009445438

• 2009445438 backwards is 8345449002
• 2009445438 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2009445438's digits is 39
• More coming soon!