1638214265976390

Names of 1638214265976390

• Cardinal: 1638214265976390 can be written as One quadrillion, six hundred thirty-eight trillion, two hundred fourteen billion, two hundred sixty-five million, nine hundred seventy-six thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.63821426597639 × 10¹⁵

Factors of 1638214265976390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 511893

Divisors of 1638214265976390

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 53 54 81 90 106 135 159 162 243 265 270 307 318 405 477 486 530 614 729 795 810 921 954 1215 1431 1458 1535 1590 1842 2187 2385 2430 2763 2862 3070 3645 4293 4374 4605 4770 5526 6561 7155 7290 8289 8586 9210 10935 12879 13122 13815 14310 16271 16578 19683 21465 21870 24867 25758 27630 32542 32805 38637 39366 41445 42930 48813 49734 64395 65610 74601 77274 81355 82890 97626 98415 115911 124335 128790 146439 149202 162710 193185 196830 223803 231822 244065 248670 292878 347733 373005 386370 439317 447606 488130 511523 579555 671409 695466 732195 746010 878634 1023046 1043199 1119015 1159110 1317951 1342818 1464390 1534569 1738665 2014227 2086398 2196585 2238030 2557615 2635902 3069138 3357045 3477330 3953853 4028454 4393170 4603707 5115230 5215995 6042681 6589755 6714090 7672845 7907706 9207414 10071135 10431990 11861559 12085362 13179510 13811121 15345690 19769265 20142270 23018535 23723118 27110719 27622242 30213405 35584677 39538530 41433363 46037070 54221438 59307795 60426810 69055605 71169354 81332157 82866726 106754031 118615590 124300089 135553595 138111210 157037561 162664314 177923385 207166815 213508062 243996471 248600178 271107190 314075122 320262093 355846770 372900267 406660785 414333630 471112683 487992942 533770155 621500445 640524186 731989413 745800534 785187805 813321570 942225366 1067540310 1118700801 1219982355 1243000890 1413338049 1463978826 1570375610 1601310465 1864501335 2195968239 2237401602 2355563415 2439964710 2826676098 3202620930 3356102403 3659947065 3729002670 4240014147 4391936478 4711126830 5593504005 6587904717 6712204806 7066690245 7319894130 8322990733 8480028294 10068307209 10979841195 11187008010 12720042441 13175809434 14133380490 16645981466 16780512015 19763714151 20136614418 21200070735 21959682390 24968972199 25440084882 32939523585 33561024030 38160127323 39527428302 41614953665 42400141470 49937944398 50341536045 59291142453 63600212205 65879047170 74906916597 76320254646 83229907330 98818570755 100683072090 114480381969 118582284906 124844860995 127200424410 149813833194 177873427359 190800636615 197637141510 224720749791 228960763938 249689721990 296455712265 343441145907 355746854718 374534582985 381601273230 449441499582 533620282077 572401909845 592911424530 674162249373 686882291814 749069165970 889367136795 1030323437721 1067240564154 1123603748955 1144803819690 1348324498746 1717205729535 1778734273590 2022486748119 2060646875442 2247207497910 2668101410385 3090970313163 3370811246865 3434411459070 4044973496238 5151617188605 5336202820770 6067460244357 6181940626326 6741622493730 10112433740595 10303234377210 12134920488714 15454851565815 18202380733071 20224867481190 30337301221785 30909703131630 36404761466142 54607142199213 60674602443570 91011903665355 109214284398426 163821426597639 182023807330710 273035710996065 327642853195278 546071421992130 819107132988195 1638214265976390
• Sum of all divisors σ(n): 4521246578424576
• Sum of proper divisors (its aliquot sum) s(n): 2883032312448186
• 1638214265976390 is an abundant number, because the sum of its proper divisors (2883032312448186) is greater than itself. Its abundance is 1244818046471796

Bases of 1638214265976390

• Binary: 101110100011111001001111011011000111011011001000110₂
• Hexadecimal: 0x5D1F27B63B646
• Base-36: G4P58SIUDI

Squares and roots of 1638214265976390

• 1638214265976390 squared (1638214265976390²) is 2683745981248562278360037432100
• 1638214265976390 cubed (1638214265976390³) is 4396550952738199973781597850168145854828119000
• The square root of 1638214265976390 is 40474859.6782791823
• The cube root of 1638214265976390 is 117884.5530355861

Scales and comparisons

• 1,638,214,265,976,390 seconds is equal to 52,090,146 years, 17 weeks, 14 hours, 46 minutes, 30 seconds.
• To count from 1 to 1,638,214,265,976,390 would take you about one hundred fifty-six million, two hundred seventy thousand, four hundred thirty-eight 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 1638214265976390 cubic inches would be around 9823.7 feet tall.

Recreational maths with 1638214265976390

• 1638214265976390 backwards is 0936795624128361
• The number of decimal digits it has is: 16
• The sum of 1638214265976390's digits is 72
• More coming soon!