1643851736142165

Names of 1643851736142165

• Cardinal: 1643851736142165 can be written as One quadrillion, six hundred forty-three trillion, eight hundred fifty-one billion, seven hundred thirty-six million, one hundred forty-two thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 1.643851736142165 × 10¹⁵

Factors of 1643851736142165

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 33461

Divisors of 1643851736142165

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 9 11 15 19 27 33 45 55 57 71 95 99 121 135 165 171 209 213 285 297 355 363 495 513 605 627 639 781 855 1045 1065 1089 1349 1485 1815 1881 1917 2299 2343 2411 2565 3135 3195 3267 3905 4047 5445 5643 6745 6897 7029 7233 8591 9405 9585 11495 11715 12055 12141 14839 16335 20235 20691 21087 21699 25773 26521 28215 30941 34485 35145 36165 36423 42955 44517 45809 60705 62073 65097 74195 77319 79563 92823 103455 105435 108495 128865 132605 133551 137427 154705 163229 171181 182115 222585 229045 231957 238689 278469 291731 310365 325485 340351 386595 397815 400653 412281 464115 489687 503899 513543 587879 667755 687135 716067 816145 835407 855905 875193 1021053 1159785 1193445 1236843 1392345 1458655 1469061 1511697 1540629 1701755 1763637 1882991 2003265 2061405 2196811 2448435 2519495 2567715 2625579 2939395 3063159 3252439 3580335 3743861 4177035 4375965 4407183 4535091 4621887 5105265 5290911 5542889 5648973 6184215 6466669 6590433 7345305 7558485 7703145 7876737 8818185 9189477 9414955 9757317 10984055 11231583 13127895 13605273 15315795 15872733 16262195 16628667 16946919 18719305 19400007 19771299 20712901 22035915 22675455 23109435 24164921 26454555 27714445 28244865 29271951 32333345 32952165 33694749 35776829 39383685 41739409 45947385 48786585 49886001 50840757 56157915 58200021 59313897 62138703 68026365 71133359 72494763 74598751 79363665 83143335 84734595 87815853 97000035 98856495 101084247 103564505 107330487 120824605 125218227 146359755 149658003 168473745 174600063 178884145 186416109 208697045 213400077 217484289 223796253 249430005 254203785 265814131 291000105 296569485 310693515 321991461 355666795 362473815 372993755 375654681 393545119 439079265 459133499 505421235 536652435 559248327 626091135 640200231 652452867 671388759 748290015 797442393 820586261 873000315 932080545 965974383 1067000385 1087421445 1118981265 1126964043 1180635357 1329070655 1377400497 1417376269 1609957305 1878273405 1920600693 1967725595 2014166277 2295667495 2392327179 2461758783 2796241635 3201001155 3262264335 3356943795 3541906071 3987211965 4102931305 4132201491 4252128807 4829871915 5050468489 5296511321 5634820215 5903176785 6887002485 7086881345 7176981537 7385276349 9026448871 9603003465 10070831385 10625718213 11961635895 12308793915 12396604473 12756386421 15151405467 15591138959 15889533963 17709530355 20661007455 21260644035 22155829047 25252342445 26482556605 27079346613 35884907685 36926381745 38269159263 45132244355 45454216401 46773416877 47668601889 53128591065 58261624531 61983022365 63781932105 75757027335 77955694795 79447669815 81238039839 100633715099 110779145235 135396733065 136362649203 140320250631 143005805667 171502528549 174784873593 191345796315 227271082005 233867084385 238343009445 243714119517 291308122655 301901145297 406190199195 420960751893 503168575495 514507585647 524354620779 640877869841 681813246015 701601253155 715029028335 857512642745 873924367965 905703435891 1106970866089 1218570597585 1509505726485 1543522756941 1573063862337 1922633609523 2104803759465 2572537928235 2621773103895 2717110307673 3204389349205 3320912598267 4528517179455 4630568270823 5534854330445 5767900828569 7717613784705 7865319311685 9613168047615 9962737794801 12176679526979 13585551538365 16604562991335 17303702485707 23152841354115 28839504142845 29888213384403 36530038580937 49813688974005 60883397634895 86518512428535 109590115742811 149441066922015 182650192904685 328770347228433 547950578714055 1643851736142165
• Sum of all divisors σ(n): 3430449733939200
• Sum of proper divisors (its aliquot sum) s(n): 1786597997797035
• 1643851736142165 is an abundant number, because the sum of its proper divisors (1786597997797035) is greater than itself. Its abundance is 142746261654870

Bases of 1643851736142165

• Binary: 101110101110001001100001110110010111101000101010101₂
• Hexadecimal: 0x5D7130ECBD155
• Base-36: G6P328PDN9

Squares and roots of 1643851736142165

• 1643851736142165 squared (1643851736142165²) is 2702248530417610060117090887225
• 1643851736142165 cubed (1643851736142165³) is 4442095938214602264621363752431142698582342125
• The square root of 1643851736142165 is 40544441.4950084741
• The cube root of 1643851736142165 is 118019.6207951079

Scales and comparisons

• 1,643,851,736,142,165 seconds is equal to 52,269,400 years, 22 weeks, 6 days, 21 hours, 42 minutes, 45 seconds.
• To count from 1 to 1,643,851,736,142,165 would take you about one hundred fifty-six million, eight hundred eight thousand, two hundred 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 1643851736142165 cubic inches would be around 9835 feet tall.

Recreational maths with 1643851736142165

• 1643851736142165 backwards is 5612416371583461
• The number of decimal digits it has is: 16
• The sum of 1643851736142165's digits is 63
• More coming soon!