1666397401712442

Names of 1666397401712442

• Cardinal: 1666397401712442 can be written as One quadrillion, six hundred sixty-six trillion, three hundred ninety-seven billion, four hundred one million, seven hundred twelve thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.666397401712442 × 10¹⁵

Factors of 1666397401712442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1963

Divisors of 1666397401712442

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 38 42 54 57 59 63 114 118 126 133 171 177 189 266 342 354 361 378 399 413 513 531 722 798 826 1026 1062 1083 1121 1197 1239 1593 1873 2166 2242 2394 2478 2527 3186 3249 3363 3481 3591 3717 3746 5054 5619 6498 6726 6962 7182 7434 7581 7847 9747 10089 10443 11151 11238 13111 15162 15694 16857 19494 20178 20886 21299 22302 22743 23541 24367 26222 30267 31329 33714 35587 39333 42598 45486 47082 48734 50571 60534 62658 63897 66139 68229 70623 71174 73101 78666 93987 101142 106761 110507 117999 127794 132278 136458 141246 146202 149093 187974 191691 198417 211869 213522 219303 221014 235998 249109 298186 320283 331521 353997 383382 396834 423738 438606 447279 462973 498218 575073 595251 640566 657909 663042 676153 707994 747327 773549 894558 925946 960849 994563 1150146 1190502 1256641 1315818 1341837 1352306 1388919 1494654 1547098 1785753 1921698 1989126 2028459 2099633 2241981 2320647 2513282 2683674 2777838 2983689 3508129 3571506 3769923 4025511 4056918 4166757 4199266 4483962 4641294 4733071 5967378 6085377 6298899 6519913 6725943 6961941 7016258 7539846 8051022 8333514 8796487 9466142 10524387 11309769 12170754 12500271 12597798 13039826 13451886 13923882 14199213 14697431 17592974 18256131 18896697 19559739 20885823 21048774 22619538 24556903 25000542 26389461 28398426 29394862 31573161 33929307 36512262 37793394 39119478 39893027 41771646 42597639 44092293 45639391 49113806 52778922 56690091 58679217 63146322 66654451 67858614 73670709 79168383 79786054 85195278 88184586 91278782 94719483 113380182 117358434 119679081 123878347 127792917 132276879 133308902 136918173 147341418 158336766 176037651 189438966 199963353 206979611 221012127 237505149 239358162 247756694 255585834 264553758 273836346 279251189 352075302 359037243 371635041 396830637 399926706 410754519 413959222 442024254 466581157 475010298 558502378 599890059 620938833 663036381 718074486 743270082 793661274 821509038 837753567 867148429 933162314 1077111729 1114905123 1199780118 1232263557 1241877666 1266434569 1326072762 1399743471 1448857277 1675507134 1734296858 1799670177 1862816499 2154223458 2229810246 2353688593 2464527114 2513260701 2532869138 2601445287 2799486942 2897714554 3344715369 3599340354 3725632998 3799303707 3932612609 4199230413 4346571831 4707377186 5026521402 5202890574 5588449497 6689430738 7061065779 7539782103 7598607414 7804335861 7865225218 8398460826 8693143662 8865041983 11176898994 11397911121 11797837827 12211797049 12597691239 13039715493 14122131558 15079564206 15608671722 16475820151 17730083966 21183197337 22795822242 23413007583 23595675654 24423594098 25195382478 26079430986 26595125949 27528288263 32951640302 34193733363 35393513481 36635391147 39119146479 42366394674 46826015166 49427460453 53190251898 55056576526 63549592011 68387466726 70787026962 73270782294 74719639571 78238292958 79785377847 82584864789 85482579343 98854920906 106180540443 109906173441 127099184022 148282381359 149439279142 159570755694 165169729578 170965158686 212361080886 219812346882 224158918713 232024143931 239356133541 247754594367 256447738029 296564762718 329718520323 444847144077 448317837426 464048287862 478712267082 495509188734 512895476058 523037476997 659437040646 672476756139 696072431793 743263783101 769343214087 889694288154 1046074953994 1344953512278 1392144863586 1486527566202 1538686428174 1569112430991 1624169007517 2017430268417 2088217295379 2308029642261 3138224861982 3248338015034 4034860536834 4176434590758 4408458734689 4616059284522 4707337292973 4872507022551 6264651886137 8816917469378 9414674585946 9745014045102 12529303772274 13225376204067 14122011878919 14617521067653 26450752408134 28244023757838 29235042135306 30859211142823 39676128612201 43852563202959 61718422285646 79352257224402 87705126405918 92577633428469 119028385836603 185155266856938 238056771673206 277732900285407 555465800570814 833198700856221 1666397401712442
• Sum of all divisors σ(n): 4546002007068480
• Sum of proper divisors (its aliquot sum) s(n): 2879604605356038
• 1666397401712442 is an abundant number, because the sum of its proper divisors (2879604605356038) is greater than itself. Its abundance is 1213207203643596

Bases of 1666397401712442

• Binary: 101111010111001010001100001001011110000011100111010₂
• Hexadecimal: 0x5EB94612F073A
• Base-36: GEOSEBVGAI

Squares and roots of 1666397401712442

• 1666397401712442 squared (1666397401712442²) is 2776880300433977795834057603364
• 1666397401712442 cubed (1666397401712442³) is 4627386117509645926071366226349666124019854888
• The square root of 1666397401712442 is 40821531.1044605723
• The cube root of 1666397401712442 is 118556.7248277023

Scales and comparisons

• 1,666,397,401,712,442 seconds is equal to 52,986,282 years, 45 weeks, 1 day, 6 hours, 20 minutes, 42 seconds.
• To count from 1 to 1,666,397,401,712,442 would take you about one hundred fifty-eight million, nine hundred fifty-eight thousand, eight hundred forty-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 1666397401712442 cubic inches would be around 9879.7 feet tall.

Recreational maths with 1666397401712442

• 1666397401712442 backwards is 2442171047936661
• 1666397401712442 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1666397401712442's digits is 63
• More coming soon!