16181990380601856

Names of 16181990380601856

• Cardinal: 16181990380601856 can be written as Sixteen quadrillion, one hundred eighty-one trillion, nine hundred ninety billion, three hundred eighty million, six hundred one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.6181990380601856 × 10¹⁶

Factors of 16181990380601856

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 1176

Divisors of 16181990380601856

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 576 648 729 768 864 972 1152 1171 1296 1458 1536 1728 1944 2187 2304 2342 2592 2916 3456 3513 3888 4374 4608 4684 5184 5832 6561 6912 7026 7776 8748 9368 10368 10539 11664 13122 13824 14052 15552 17496 18736 19683 20736 21078 23328 26244 28104 31104 31617 34992 37472 39366 41472 42156 46656 52488 56208 62208 63234 69984 74944 78732 84312 93312 94851 104976 112416 124416 126468 139968 149888 157464 168624 186624 189702 209952 224832 252936 279936 284553 299776 314928 337248 373248 379404 419904 449664 505872 559872 569106 599552 629856 674496 758808 839808 853659 899328 1011744 1119744 1138212 1259712 1348992 1371241 1517616 1679616 1707318 1798656 2023488 2276424 2519424 2560977 2697984 2742482 3035232 3359232 3414636 4046976 4113723 4552848 5038848 5121954 5395968 5484964 6070464 6829272 7682931 8093952 8227446 9105696 10077696 10243908 10969928 12140928 12341169 13658544 15365862 16187904 16454892 18211392 20487816 21939856 23048793 24281856 24682338 27317088 30731724 32909784 36422784 37023507 40975632 43879712 46097586 48563712 49364676 54634176 61463448 65819568 72845568 74047014 81951264 87759424 92195172 98729352 109268352 111070521 122926896 131639136 145691136 148094028 163902528 175518848 184390344 197458704 218536704 222141042 245853792 263278272 296188056 327805056 333211563 351037696 368780688 394917408 437073408 444282084 491707584 526556544 592376112 655610112 666423126 702075392 737561376 789834816 888564168 983415168 999634689 1053113088 1184752224 1311220224 1332846252 1475122752 1579669632 1605723211 1777128336 1966830336 1999269378 2106226176 2369504448 2665692504 2950245504 2998904067 3159339264 3211446422 3554256672 3933660672 3998538756 4739008896 4817169633 5331385008 5900491008 5997808134 6318678528 6422892844 7108513344 7997077512 8996712201 9478017792 9634339266 10662770016 11800982016 11995616268 12845785688 14217026688 14451508899 15994155024 17993424402 18956035584 19268678532 21325540032 23991232536 25691571376 26990136603 28434053376 28903017798 31988310048 35986848804 38537357064 42651080064 43354526697 47982465072 51383142752 53980273206 56868106752 57806035596 63976620096 71973697608 77074714128 85302160128 86709053394 95964930144 102766285504 107960546412 115612071192 127953240192 130063580091 143947395216 154149428256 170604320256 173418106788 191929860288 205532571008 215921092824 231224142384 255906480384 260127160182 287894790432 308298856512 346836213576 383859720576 390190740273 411065142016 431842185648 462448284768 511812960768 520254320364 575789580864 616597713024 693672427152 767719441152 780381480546 822130284032 863684371296 924896569536 1040508640728 1151579161728 1170572220819 1233195426048 1387344854304 1535438882304 1560762961092 1727368742592 1849793139072 2081017281456 2303158323456 2341144441638 2466390852096 2774689708608 3121525922184 3454737485184 3511716662457 3699586278144 4162034562912 4606316646912 4682288883276 5549379417216 6243051844368 6909474970368 7023433324914 7399172556288 8324069125824 9364577766552 10535149987371 11098758834432 12486103688736 13818949940736 14046866649828 16648138251648 18729155533104 21070299974742 22197517668864 24972207377472 28093733299656 31605449962113 33296276503296 37458311066208 42140599949484 49944414754944 56187466599312 63210899924226 66592553006592 74916622132416 84281199898968 99888829509888 112374933198624 126421799848452 149833244264832 168562399797936 199777659019776 224749866397248 252843599696904 299666488529664 337124799595872 449499732794496 505687199393808 599332977059328 674249599191744 898999465588992 1011374398787616 1348499198383488 1797998931177984 2022748797575232 2696998396766976 4045497595150464 5393996793533952 8090995190300928 16181990380601856
• Sum of all divisors σ(n): 48539192700644448
• Sum of proper divisors (its aliquot sum) s(n): 32357202320042592
• 16181990380601856 is an abundant number, because the sum of its proper divisors (32357202320042592) is greater than itself. Its abundance is 16175211939440736

Bases of 16181990380601856

• Binary: 111001011111010110111100111100011001010000001000000000₂
• Hexadecimal: 0x397D6F3C650200
• Base-36: 4FC1BR60000

Squares and roots of 16181990380601856

• 16181990380601856 squared (16181990380601856²) is 261856812677891000404652790644736
• 16181990380601856 cubed (16181990380601856³) is 4237364423848694301087732331392814659605958230016
• The square root of 16181990380601856 is 127208452.4731035945
• 16181990380601856 is a perfect cube number. Its cube root is 252936

Scales and comparisons

• 16,181,990,380,601,856 seconds is equal to 514,537,239 years, 47 weeks, 6 days, 57 minutes, 36 seconds.
• To count from 1 to 16,181,990,380,601,856 would take you about one billion, five hundred forty-three million, six hundred eleven thousand, seven hundred 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 16181990380601856 cubic inches would be around 21078 feet tall.

Recreational maths with 16181990380601856

• 16181990380601856 backwards is 65810608309918161
• 16181990380601856 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 16181990380601856's digits is 72
• More coming soon!