18145227870

Names of 18145227870

• Cardinal: 18145227870 can be written as Eighteen billion, one hundred forty-five million, two hundred twenty-seven thousand, eight hundred seventy.

Scientific notation

• Scientific notation: 1.814522787 × 10¹⁰

Factors of 18145227870

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 597

Divisors of 18145227870

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 45 53 55 63 66 70 77 90 99 105 106 110 126 127 154 159 165 198 210 231 254 265 315 318 330 371 381 385 389 462 477 495 530 583 630 635 693 742 762 770 778 795 889 954 990 1113 1143 1155 1166 1167 1270 1386 1397 1590 1749 1778 1855 1905 1945 2226 2286 2310 2334 2385 2667 2723 2794 2915 3339 3465 3498 3501 3710 3810 3890 4081 4191 4279 4445 4770 5247 5334 5446 5565 5715 5830 5835 6678 6731 6930 6985 7002 8001 8162 8169 8382 8558 8745 8890 9779 10494 11130 11430 11670 12243 12573 12837 13335 13462 13615 13970 16002 16338 16695 17490 17505 19558 20193 20405 20617 20955 21395 24486 24507 25146 25674 26235 26670 27230 29337 29953 33390 33655 35010 36729 38511 40005 40386 40810 40845 41234 41910 42790 47117 48895 49014 49403 52470 58674 59906 60579 61215 61851 62865 64185 67310 73458 74041 77022 80010 81690 88011 89859 94234 97790 98806 100965 103085 121158 122430 122535 123702 125730 128370 141351 144319 146685 148082 148209 149765 176022 179718 183645 185553 192555 201930 206170 222123 226787 235585 245070 247015 269577 282702 288638 293370 296418 299530 302895 309255 345821 367290 370205 371106 385110 424053 432957 440055 444246 444627 449295 453574 471170 494030 518287 539154 543433 605790 618510 666369 680361 691642 706755 721595 740410 741045 848106 865914 880110 889254 898590 927765 1036574 1037463 1086866 1110615 1133935 1298871 1332738 1347885 1360722 1413510 1443190 1482090 1554861 1587509 1630299 1729105 1855530 2041083 2074926 2120265 2164785 2221230 2223135 2267870 2591435 2597742 2618359 2695770 2717165 3109722 3112389 3175018 3260598 3331845 3401805 3458210 3804031 4082166 4240530 4329570 4446270 4664583 4762527 4890897 5182870 5187315 5236718 5434330 6224778 6494355 6663690 6803610 7608062 7774305 7855077 7937545 8151495 9329166 9525054 9781794 10205415 10374630 11412093 12988710 13091795 14287581 15548610 15561945 15710154 15875090 16302990 18328513 19020155 20410830 22824186 23322915 23565231 23812635 24454485 26183590 28575162 28801949 31123890 34236279 36657026 38040310 39275385 46645830 47130462 47625270 48908970 54985539 57060465 57603898 68472558 71437905 78550770 86405847 91642565 109971078 114120930 117826155 142875810 144009745 164956617 171181395 172811694 183285130 201613643 235652310 259217541 274927695 288019490 329913234 342362790 403227286 432029235 518435082 549855390 604840929 824783085 864058470 1008068215 1209681858 1296087705 1649566170 1814522787 2016136430 2592175410 3024204645 3629045574 6048409290 9072613935 18145227870
• Sum of all divisors σ(n): 60555755520
• Sum of proper divisors (its aliquot sum) s(n): 42410527650
• 18145227870 is an abundant number, because the sum of its proper divisors (42410527650) is greater than itself. Its abundance is 24265299780

Bases of 18145227870

• Binary: 10000111001100010100011010001011110₂
• Hexadecimal: 0x4398A345E
• Base-36: 8C377FI

Squares and roots of 18145227870

• 18145227870 squared (18145227870²) is 329249294454224736900
• 18145227870 cubed (18145227870³) is 5974303473908635135241297403000
• The square root of 18145227870 is 134704.2236531579
• The cube root of 18145227870 is 2627.7707581707

Scales and comparisons

• 18,145,227,870 seconds is equal to 576 years, 50 weeks, 5 hours, 4 minutes, 30 seconds.
• To count from 1 to 18,145,227,870 would take you about one thousand, one hundred fifty-three 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 18145227870 cubic inches would be around 219 feet tall.

Recreational maths with 18145227870

• 18145227870 backwards is 07872254181
• 18145227870 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18145227870's digits is 45
• More coming soon!