18419168016

Names of 18419168016

• Cardinal: 18419168016 can be written as Eighteen billion, four hundred nineteen million, one hundred sixty-eight thousand and sixteen.

Scientific notation

• Scientific notation: 1.8419168016 × 10¹⁰

Factors of 18419168016

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 301

Divisors of 18419168016

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 36 46 48 53 54 69 72 81 89 92 106 108 131 138 144 159 162 178 184 207 212 216 262 267 276 318 324 356 368 393 414 424 432 477 524 534 552 621 636 648 712 786 801 828 848 954 1048 1068 1104 1179 1219 1242 1272 1296 1424 1431 1572 1602 1656 1863 1908 2047 2096 2136 2358 2403 2438 2484 2544 2862 3013 3144 3204 3312 3537 3657 3726 3816 4094 4272 4293 4716 4717 4806 4876 4968 5724 6026 6141 6288 6408 6943 7074 7209 7314 7452 7632 8188 8586 9039 9432 9434 9612 9752 9936 10611 10971 11448 11659 12052 12282 12816 13886 14148 14151 14418 14628 14904 16376 17172 18078 18423 18864 18868 19224 19504 20829 21222 21942 22896 23318 24104 24564 27117 27772 28296 28302 28836 29256 29808 32752 32913 34344 34977 36156 36846 37736 38448 41658 42444 42453 43884 46636 48208 49128 54234 55269 55544 56592 56604 57672 58512 62487 65826 68688 69954 72312 73692 75472 81351 83316 84888 84906 87768 93272 98256 98739 104931 108468 108491 110538 111088 113208 115344 124974 127359 131652 139908 144624 147384 159689 162702 165807 166632 169776 169812 175536 186544 187461 197478 209862 216936 216982 221076 226416 244053 249948 254718 263304 268157 279816 294768 314793 319378 325404 325473 331614 333264 339624 374922 382077 394956 419724 433872 433964 442152 479067 488106 499896 509436 526608 536314 559632 562383 617927 629586 638756 650808 650946 663228 679248 749844 764154 789912 804471 839448 867928 884304 944379 958134 976212 976419 999792 1018872 1072628 1124766 1235854 1259172 1277512 1301616 1301892 1326456 1437201 1499688 1528308 1579824 1608942 1678896 1735856 1853781 1888758 1916268 1952424 1952838 2037744 2145256 2249532 2413413 2471708 2518344 2555024 2603784 2652912 2874402 2929257 2999376 3056616 3217884 3707562 3777516 3832536 3904848 3905676 4290512 4311603 4499064 4826826 4943416 5036688 5207568 5561343 5748804 5858514 6113232 6435768 7240239 7415124 7555032 7665072 7811352 8623206 8787771 8998128 9653652 9886832 11122686 11497608 11717028 12871536 12934809 14212321 14480478 14830248 15110064 15622704 16684029 17246412 17575542 19307304 21720717 22245372 22995216 23434056 25869618 28424642 28960956 29660496 33368058 34492824 35151084 38614608 42636963 43441434 44490744 46868112 50052087 51739236 56849284 57921912 66736116 68985648 70302168 85273926 86882868 88981488 100104174 103478472 113698568 115843824 127910889 133472232 140604336 170547852 173765736 200208348 206956944 227397136 255821778 266944464 341095704 347531472 383732667 400416696 511643556 682191408 767465334 800833392 1023287112 1151198001 1534930668 2046574224 2302396002 3069861336 4604792004 6139722672 9209584008 18419168016
• Sum of all divisors σ(n): 57752196480
• Sum of proper divisors (its aliquot sum) s(n): 39333028464
• 18419168016 is an abundant number, because the sum of its proper divisors (39333028464) is greater than itself. Its abundance is 20913860448

Bases of 18419168016

• Binary: 10001001001110111100011001100010000₂
• Hexadecimal: 0x449DE3310
• Base-36: 8GMAP00

Squares and roots of 18419168016

• 18419168016 squared (18419168016²) is 339265750401637376256
• 18419168016 cubed (18419168016³) is 6248992858722078314764673028096
• The square root of 18419168016 is 135717.2355156117
• The cube root of 18419168016 is 2640.9286608941

Scales and comparisons

• 18,419,168,016 seconds is equal to 585 years, 34 weeks, 6 days, 19 hours, 33 minutes, 36 seconds.
• To count from 1 to 18,419,168,016 would take you about one thousand, one hundred seventy-one 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 18419168016 cubic inches would be around 220.1 feet tall.

Recreational maths with 18419168016

• 18419168016 backwards is 61086191481
• The number of decimal digits it has is: 11
• The sum of 18419168016's digits is 45
• More coming soon!