638492142134

Names of 638492142134

• Cardinal: 638492142134 can be written as Six hundred thirty-eight billion, four hundred ninety-two million, one hundred forty-two thousand, one hundred thirty-four.

Scientific notation

• Scientific notation: 6.38492142134 × 10¹¹

Factors of 638492142134

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 124

Divisors of 638492142134

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 7 11 14 17 19 22 31 34 37 38 62 74 77 119 133 154 187 209 217 238 259 266 323 341 361 374 407 418 434 518 527 589 629 646 682 703 722 814 961 1054 1147 1178 1258 1309 1406 1463 1922 2261 2294 2387 2527 2618 2849 2926 3553 3689 3971 4123 4403 4522 4774 4921 5054 5698 5797 6137 6479 6727 6859 6919 7106 7378 7733 7942 8029 8246 8806 9842 10013 10571 11191 11594 11951 12274 12617 12958 13357 13454 13718 13838 15466 16058 16337 18259 19499 20026 21142 21793 22382 23902 24871 25234 26714 27797 32674 35557 36518 38998 40579 42959 43586 45353 48013 48433 49742 54131 55594 67507 70091 71114 73997 75449 78337 81158 83657 85918 88319 90706 93499 96026 96866 108262 110143 114359 116603 123101 127813 131461 135014 136493 140182 146927 147994 150898 152551 156674 167314 176638 179707 186998 190247 200849 212629 214489 220286 227069 228718 233206 239723 246202 248899 253783 255626 262922 272986 293854 305102 310403 346921 359414 370481 380494 391127 401698 414067 425258 428978 454138 472549 479446 497798 507566 528143 604469 620806 675583 693842 740962 771001 782254 816221 828134 861707 920227 945098 1028489 1056286 1208938 1257949 1282633 1331729 1351166 1405943 1488403 1501423 1542002 1589483 1632442 1678061 1723414 1776481 1840454 2056978 2092717 2172821 2338919 2428447 2497759 2515898 2565266 2593367 2663458 2737889 2791613 2811886 2898469 2976806 3002846 3178966 3356122 3414433 3552962 3614693 3816131 4075291 4185434 4231283 4314311 4345642 4554737 4677838 4729081 4856894 4995518 5186734 5475778 5583226 5796938 5897657 6591499 6649159 6828866 7039139 7229386 7431413 7632262 7867273 8150582 8462566 8628622 8978431 9109474 9458162 11484911 11795314 12836077 13182998 13298318 14078278 14649019 14862826 15734546 16372433 17484313 17956862 19541291 22969822 23901031 25302851 25672154 26712917 28527037 29298038 30200177 31883159 32744866 34968626 39082582 39761623 41283599 46140493 46544113 47457421 47802062 49273973 50605702 52019891 53425834 55070911 57054074 60400354 63766318 64874227 72506489 77430529 79523246 80394377 82567198 86540003 89852539 92280986 93088226 94914842 98547946 104039782 110141822 112055483 126334021 129748454 133743641 141196847 145012978 154861058 160788754 173080006 179705078 218213309 224110966 243885463 252668042 267487282 278331361 282393694 332201947 436426618 454119589 487770926 507545423 542013703 556662722 605780021 664403894 784388381 884338147 908239178 936205487 988377929 1015090846 1084027406 1211560042 1232610313 1471180051 1527493163 1568776762 1707198241 1768676294 1872410974 1976755858 2400346399 2465220626 2682740093 2942360102 3054986326 3414396482 4146052871 4800692798 5365480186 8292105742 8628272191 10298260357 16802424793 17256544382 18779180651 20596520714 29022370097 33604849586 37558361302 45606581581 58044740194 91213163162 319246071067 638492142134
• Sum of all divisors σ(n): 1416238525440
• Sum of proper divisors (its aliquot sum) s(n): 777746383306
• 638492142134 is an abundant number, because the sum of its proper divisors (777746383306) is greater than itself. Its abundance is 139254241172

Bases of 638492142134

• Binary: 1001010010101001000110001110101000110110₂
• Hexadecimal: 0x94A918EA36
• Base-36: 85BHQHX2

Squares and roots of 638492142134

• 638492142134 squared (638492142134²) is 407672215566864058073956
• 638492142134 cubed (638492142134³) is 260295506205800853548412344635662104
• The square root of 638492142134 is 799057.0330921315
• The cube root of 638492142134 is 8610.9655603605

Scales and comparisons

• 638,492,142,134 seconds is equal to 20,302 years, 3 weeks, 6 days, 8 hours, 22 minutes, 14 seconds.
• To count from 1 to 638,492,142,134 would take you about forty thousand, six hundred four 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 638492142134 cubic inches would be around 717.6 feet tall.

Recreational maths with 638492142134

• 638492142134 backwards is 431241294836
• The number of decimal digits it has is: 12
• The sum of 638492142134's digits is 47
• More coming soon!