642918129820137

Names of 642918129820137

• Cardinal: 642918129820137 can be written as Six hundred forty-two trillion, nine hundred eighteen billion, one hundred twenty-nine million, eight hundred twenty thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 6.42918129820137 × 10¹⁴

Factors of 642918129820137

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 155

Divisors of 642918129820137

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 9 19 27 29 31 57 73 81 87 93 171 219 243 261 279 513 551 589 657 729 783 837 841 899 1387 1539 1653 1767 1971 2117 2263 2349 2511 2523 2697 4161 4617 4959 5301 5913 6351 6789 7047 7533 7569 8091 12483 13851 14877 15903 15979 17081 17739 19053 20367 21141 22599 22707 24273 24389 26071 37449 40223 42997 44631 47709 47937 51243 53217 57159 61101 61393 65627 68121 72819 73167 78213 112347 120669 128991 133893 143127 143811 153729 171477 183303 184179 196881 204363 218457 219501 234639 337041 362007 386973 401679 429381 431433 461187 463391 495349 514431 549909 552537 590643 613089 655371 658503 703917 707281 756059 1011123 1086021 1160919 1166467 1246913 1294299 1383561 1390173 1486047 1543293 1649727 1657611 1771929 1780397 1903183 1975509 2111751 2121843 2268177 3258063 3482757 3499401 3740739 3882897 4150683 4170519 4458141 4972833 5315787 5341191 5709549 5926527 6335253 6365529 6804531 9774189 10448271 10498203 11222217 11648691 12452049 12511557 13374423 13438339 14365121 14918499 15947361 16023573 17128647 17779581 19005759 19096587 20413593 20511149 21925711 29322567 31344813 31494609 33666651 33827543 36160477 37534671 40123269 40315017 43095363 44755497 47842083 48070719 51385941 51631513 55192307 57289761 61240779 61533447 65777133 94483827 100999953 101482629 108481431 112604013 120369807 120945051 129286089 144212157 154157823 154894539 165576921 171869283 183722337 184600341 197331399 283451481 302999859 304447887 325444293 337812039 361109421 362835153 387858267 389711831 416588509 432636471 462473469 464683617 496730763 515607849 551167011 553801023 591994197 635845619 850354443 908999577 913343661 976332879 980998747 1048653833 1088505459 1163574801 1169135493 1249765527 1297909413 1387420407 1394050851 1490192289 1497313877 1600576903 1661403069 1775982591 1907536857 2740030983 2928998637 2942996241 3145961499 3265516377 3490724403 3507406479 3749296581 4182152553 4470576867 4491941631 4801730709 4984209207 5327947773 5722610571 8220092949 8786995911 8828988723 9437884497 9796549131 10472173209 10522219437 11247889743 12081066761 12546457659 13411730601 13475824893 14405192127 14952627621 15983843319 17167831713 24660278847 26360987733 26486966169 28313653491 28448963663 30410961157 31566658311 33743669229 36243200283 37639372977 40235191803 40427474679 43215576381 46416730187 51503495139 79460898507 84940960473 85346890989 91232883471 94699974933 101231007687 108729600849 121282424037 129646729143 139250190561 154510485417 238382695521 254822881419 256040672967 273698650413 284099924799 303693023061 326188802547 363847272111 388940187429 417750571683 463531456251 715148086563 764468644257 768122018901 821095951239 881917873553 978566407641 1091541816333 1166820562287 1253251715049 2304366056703 2463287853717 2645753620659 2935699222923 3759755145147 6913098170109 7389863561151 7937260861977 8807097668769 11279265435441 20739294510327 22169590683453 23811782585931 33837796306323 71435347757793 214306043273379 642918129820137
• Sum of all divisors σ(n): 1099668566131200
• Sum of proper divisors (its aliquot sum) s(n): 456750436311063
• 642918129820137 is a deficient number, because the sum of its proper divisors (456750436311063) is less than itself. Its deficiency is 186167693509074

Bases of 642918129820137

• Binary: 10010010001011101100001010101111110110000111101001₂
• Hexadecimal: 0x248BB0ABF61E9
• Base-36: 6BW8IEU9K9

Squares and roots of 642918129820137

• 642918129820137 squared (642918129820137²) is 413343721651422532799970698769
• 642918129820137 cubed (642918129820137³) is 265746172497027844820231014690357652177311353
• The square root of 642918129820137 is 25355830.2924620671
• The cube root of 642918129820137 is 86308.1665390181

Scales and comparisons

• 642,918,129,820,137 seconds is equal to 20,442,807 years, 44 weeks, 2 days, 2 hours, 28 minutes, 57 seconds.
• To count from 1 to 642,918,129,820,137 would take you about fifty-one million, one hundred seven thousand and nineteen 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 642918129820137 cubic inches would be around 7192.3 feet tall.

Recreational maths with 642918129820137

• 642918129820137 backwards is 731028921819246
• The number of decimal digits it has is: 15
• The sum of 642918129820137's digits is 63
• More coming soon!