1991142418125672

Names of 1991142418125672

• Cardinal: 1991142418125672 can be written as One quadrillion, nine hundred ninety-one trillion, one hundred forty-two billion, four hundred eighteen million, one hundred twenty-five thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.991142418125672 × 10¹⁵

Factors of 1991142418125672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 222

Divisors of 1991142418125672

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 97 108 113 126 168 189 194 216 226 252 291 339 378 388 452 504 582 678 679 756 776 791 873 904 1017 1164 1356 1358 1512 1582 1746 2034 2037 2328 2373 2619 2712 2716 3051 3164 3492 4068 4074 4746 5238 5432 6102 6111 6328 6984 7119 8136 8148 9409 9492 10476 10961 12204 12222 12769 14238 16296 18333 18818 18984 20952 21357 21922 24408 24444 25538 28227 28476 32883 36666 37636 38307 42714 43844 48888 51076 56454 56952 65766 65863 73332 75272 76614 76727 84681 85428 87688 89383 98649 102152 112908 114921 131532 131726 146664 153228 153454 169362 170856 178766 197298 197589 225816 229842 230181 254043 263064 263452 268149 295947 306456 306908 338724 344763 357532 394596 395178 459684 460362 508086 526904 536298 591894 592767 613816 677448 689526 690543 715064 789192 790356 804447 912673 919368 920724 1016172 1063217 1072596 1183788 1185534 1238593 1379052 1381086 1442897 1580712 1608894 1778301 1825346 1841448 2032344 2071629 2126434 2145192 2367576 2371068 2413341 2477186 2738019 2758104 2762172 2885794 3189651 3217788 3556602 3650692 3715779 4143258 4252868 4328691 4742136 4826682 4954372 5476038 5524344 5771588 6379302 6388711 6435576 7113204 7301384 7431558 7442519 8214057 8286516 8505736 8657382 8670151 9568953 9653364 9908744 10100279 10952076 11147337 11543176 12758604 12777422 12986073 14226408 14863116 14885038 16428114 16573032 17314764 17340302 19137906 19166133 19306728 20200558 21904152 22294674 22327557 24642171 25517208 25554844 25972146 26010453 28706859 29726232 29770076 30300837 32856228 33442011 34629528 34680604 38275812 38332266 38958219 40401116 44589348 44655114 49284342 51109688 51944292 52020906 57413718 57498399 59540152 60601674 65712456 66884022 66982671 69361208 76551624 76664532 77916438 78031359 80802232 89178696 89310228 90902511 98568684 103132049 103888584 104041812 114827436 114996798 120143521 121203348 133768044 133965342 139961009 153329064 155832876 156062718 172495197 178620456 181805022 197137368 200948013 206264098 208083624 229654872 229993596 234094077 240287042 242406696 267536088 267930684 272707533 279922018 309396147 311665752 312125436 344990394 360430563 363610044 401896026 412528196 419883027 459987192 468188154 480574084 535861368 545415066 559844036 618792294 624250872 689980788 720861126 721924343 727220088 803792052 825056392 839766054 841004647 928188441 936376308 961148168 979727063 1081291689 1090830132 1119688072 1237584588 1259649081 1379961576 1441722252 1443848686 1607584104 1679532108 1682009294 1856376882 1872752616 1959454126 2162583378 2165773029 2181660264 2475169176 2519298162 2523013941 2784565323 2883444504 2887697372 2939181189 3243875067 3359064216 3364018588 3712753764 3778947243 3918908252 4325166756 4331546058 5038596324 5046027882 5569130646 5775394744 5878362378 6487750134 6497319087 6728037176 7425507528 7557894486 7569041823 7837816504 8650333512 8663092116 8817543567 10077192648 10092055764 11138261292 11653921537 11756724756 12975500268 12994638174 13576217873 15115788972 15138083646 17326184232 17635087134 19491957261 20184111528 22276522584 22707125469 23307843074 23513449512 25951000536 25989276348 26452630701 27152435746 30231577944 30276167292 34961764611 35270174268 38983914522 40728653619 45414250938 46615686148 51978552696 52905261402 54304871492 60552334584 69923529222 70540348536 77967829044 81457307238 81577450759 90828501876 93231372296 95033525111 104885293833 105810522804 108609742984 122185960857 139847058444 155935658088 162914614476 163154901518 181657003752 190067050222 209770587666 211621045608 244371921714 244732352277 279694116888 285100575333 314655881499 325829228952 326309803036 366557882571 380134100444 419541175332 488743843428 489464704554 570201150666 629311762998 652619606072 733115765142 734197056831 760268200888 839082350664 855301725999 977487686856 978929409108 1140402301332 1258623525996 1316893133681 1466231530284 1468394113662 1710603451998 1957858818216 2202591170493 2280804602664 2517247051992 2565905177997 2633786267362 2932463060568 2936788227324 3421206903996 3950679401043 4405182340986 5131810355994 5267572534724 5873576454648 6842413807992 7901358802086 8810364681972 9218251935767 10263620711988 10535145069448 11852038203129 15802717604172 17620729363944 18436503871534 20527241423976 23704076406258 27654755807301 31605435208344 35556114609387 36873007743068 47408152812516 55309511614602 71112229218774 73746015486136 82964267421903 94816305625032 110619023229204 142224458437548 165928534843806 221238046458408 248892802265709 284448916875096 331857069687612 497785604531418 663714139375224 995571209062836 1991142418125672
• Sum of all divisors σ(n): 6443957761920000
• Sum of proper divisors (its aliquot sum) s(n): 4452815343794328
• 1991142418125672 is an abundant number, because the sum of its proper divisors (4452815343794328) is greater than itself. Its abundance is 2461672925668656

Bases of 1991142418125672

• Binary: 111000100101110111011111000100001111001001101101000₂
• Hexadecimal: 0x712EEF8879368
• Base-36: JLSU75Z7U0

Squares and roots of 1991142418125672

• 1991142418125672 squared (1991142418125672²) is 3964648129259348423925585451584
• 1991142418125672 cubed (1991142418125672³) is 7894179063110880829619960103264163864983464448
• The square root of 1991142418125672 is 44622218.8839335061
• The cube root of 1991142418125672 is 125805.8321662089

Scales and comparisons

• 1,991,142,418,125,672 seconds is equal to 63,312,169 years, 46 weeks, 1 day, 10 hours, 1 minute, 12 seconds.
• To count from 1 to 1,991,142,418,125,672 would take you about one hundred eighty-nine million, nine hundred thirty-six thousand, five hundred nine 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 1991142418125672 cubic inches would be around 10483.8 feet tall.

Recreational maths with 1991142418125672

• 1991142418125672 backwards is 2765218142411991
• 1991142418125672 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1991142418125672's digits is 63
• More coming soon!