18669831642

Names of 18669831642

• Cardinal: 18669831642 can be written as Eighteen billion, six hundred sixty-nine million, eight hundred thirty-one thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.8669831642 × 10¹⁰

Factors of 18669831642

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 352

Divisors of 18669831642

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 19 21 22 27 29 33 38 42 54 57 58 63 66 77 87 99 114 126 133 154 171 174 189 198 203 209 231 261 266 281 297 319 342 378 399 406 418 462 513 522 551 562 594 609 627 638 693 783 798 841 843 957 1026 1102 1197 1218 1254 1386 1463 1566 1653 1682 1686 1827 1881 1914 1967 2079 2233 2394 2523 2529 2871 2926 3091 3306 3591 3654 3762 3857 3934 4158 4389 4466 4959 5046 5058 5339 5481 5643 5742 5887 5901 6061 6182 6699 7182 7569 7587 7714 8149 8613 8778 9251 9273 9918 10678 10962 11286 11571 11774 11802 12122 13167 13398 14877 15138 15174 15979 16017 16298 17226 17661 17703 18183 18502 18546 20097 21637 22707 23142 24447 26334 27753 27819 29754 31958 32034 34713 35322 35406 36366 37373 39501 40194 42427 43274 45414 47937 48051 48894 52983 53109 54549 55506 55638 57043 58729 60291 64757 64911 69426 73341 74746 79002 83259 83457 84854 89639 95874 96102 104139 105966 106218 109098 111853 112119 114086 117458 120582 127281 129514 129822 143811 144153 146682 154831 158949 163647 166518 166914 171129 175769 176187 179278 194271 194733 208278 220023 223706 224238 236321 249777 254562 268917 287622 288306 309662 317898 327294 335559 336357 342258 351538 352374 381843 388542 389466 411103 431433 440046 464493 472642 499554 513387 527307 528561 537834 582813 584199 627473 671118 672714 708963 763686 806751 822206 862866 928986 1006677 1009071 1026774 1054614 1057122 1083817 1145529 1165626 1168398 1230383 1233309 1254946 1393479 1417926 1540161 1581921 1585683 1613502 1654247 1703141 1748439 1882419 2013354 2018142 2126889 2167634 2291058 2420253 2460766 2466618 2599531 2786958 3020031 3080322 3163842 3171366 3251451 3308494 3406282 3496878 3691149 3699927 3764838 4180437 4253778 4490099 4745763 4840506 4962741 5109423 5199062 5647257 6040062 6380667 6502902 7382298 7399854 7798593 8360874 8980198 9491526 9754353 9925482 10218846 11073447 11099781 11294514 11921987 12761334 13470297 14888223 15328269 15597186 16941771 18196717 19508706 22146894 22199562 23395779 23843974 26940594 29263059 29776446 30656538 31430693 33220341 33883542 35765961 36393434 40410891 44664669 45984807 46791558 49391089 54590151 58526118 62861386 66440682 70187337 71531922 80821782 89329338 91969614 94292079 98782178 107297883 109180302 121232673 140374674 148173267 163770453 188584158 214595766 242465346 282876237 296346534 321893649 327540906 345737623 444519801 491311359 565752474 643787298 691475246 848628711 889039602 982622718 1037212869 1333559403 1697257422 2074425738 2667118806 3111638607 6223277214 9334915821 18669831642
• Sum of all divisors σ(n): 56591308800
• Sum of proper divisors (its aliquot sum) s(n): 37921477158
• 18669831642 is an abundant number, because the sum of its proper divisors (37921477158) is greater than itself. Its abundance is 19251645516

Bases of 18669831642

• Binary: 10001011000110011110000010111011010₂
• Hexadecimal: 0x458CF05DA
• Base-36: 8KRJAAI

Squares and roots of 18669831642

• 18669831642 squared (18669831642²) is 348562613540624416164
• 18669831642 cubed (18669831642³) is 6507605311498967377336423461288
• The square root of 18669831642 is 136637.5923455915
• The cube root of 18669831642 is 2652.8547208145

Scales and comparisons

• 18,669,831,642 seconds is equal to 593 years, 33 weeks, 3 days, 20 minutes, 42 seconds.
• To count from 1 to 18,669,831,642 would take you about one thousand, one hundred eighty-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 18669831642 cubic inches would be around 221.1 feet tall.

Recreational maths with 18669831642

• 18669831642 backwards is 24613896681
• 18669831642 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18669831642's digits is 54
• More coming soon!