1991655437359104

Names of 1991655437359104

• Cardinal: 1991655437359104 can be written as One quadrillion, nine hundred ninety-one trillion, six hundred fifty-five billion, four hundred thirty-seven million, three hundred fifty-nine thousand, one hundred four.

Scientific notation

• Scientific notation: 1.991655437359104 × 10¹⁵

Factors of 1991655437359104

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 449

Divisors of 1991655437359104

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 121 128 132 144 176 192 198 242 256 264 288 352 363 384 396 433 484 512 528 576 704 726 768 792 866 968 1024 1056 1089 1152 1299 1331 1408 1452 1536 1584 1732 1936 2048 2112 2178 2304 2598 2662 2816 2904 3072 3168 3464 3872 3897 3993 4224 4356 4608 4763 5196 5324 5632 5808 6144 6336 6928 7744 7794 7986 8448 8712 9216 9526 10392 10648 11264 11616 11979 12672 13856 14289 15488 15588 15972 16896 17424 18432 19052 20784 21296 22528 23232 23958 25344 27712 28578 30976 31176 31944 33792 34848 38104 41568 42592 42867 46464 47916 50688 52393 55424 57156 61952 62352 63888 67584 69696 76208 83136 85184 85734 92928 95832 101376 104786 110848 114312 123904 124704 127776 139392 152416 157179 166272 170368 171468 185856 187489 191664 202752 209572 221696 228624 247808 249408 255552 278784 304832 314358 332544 340736 342936 371712 374978 383328 419144 443392 457248 471537 498816 511104 557568 562467 576323 609664 628716 665088 681472 685872 743424 749956 766656 838288 886784 914496 943074 997632 1022208 1115136 1124934 1152646 1219328 1257432 1330176 1362944 1371744 1499912 1533312 1676576 1687401 1728969 1828992 1886148 1995264 2044416 2062379 2230272 2249868 2305292 2438656 2514864 2660352 2725888 2743488 2999824 3066624 3353152 3374802 3457938 3657984 3772296 3990528 4088832 4124758 4499736 4610584 4877312 5029728 5186907 5486976 5999648 6133248 6187137 6706304 6749604 6915876 7315968 7544592 7981056 8177664 8249516 8999472 9221168 9754624 10059456 10373814 10973952 11999296 12266496 12374274 13412608 13499208 13831752 14631936 15089184 16499032 17998944 18442336 18561411 20118912 20747628 21947904 22686169 23998592 24532992 24748548 26825216 26998416 27663504 29263872 30178368 32998064 35997888 36884672 37122822 40237824 41495256 43895808 45372338 47997184 49497096 53650432 53996832 55327008 60356736 65996128 68058507 71995776 73769344 74245644 80475648 81182737 82990512 87791616 90744676 95994368 98994192 107300864 107993664 110654016 120713472 131992256 136117014 143991552 147538688 148491288 160951296 162365474 165981024 181489352 191988736 197988384 204175521 215987328 221308032 241426944 243548211 249547859 263984512 272234028 287983104 295077376 296982576 321902592 324730948 331962048 362978704 383977472 395976768 408351042 431974656 442616064 482853888 487096422 499095718 527969024 544468056 575966208 590154752 593965152 649461896 663924096 725957408 730644633 748643577 791953536 816702084 863949312 885232128 893010107 965707776 974192844 998191436 1055938048 1088936112 1151932416 1180309504 1187930304 1298923792 1327848192 1451914816 1461289266 1497287154 1583907072 1633404168 1727898624 1770464256 1786020214 1948385688 1996382872 2111876096 2177872224 2245930731 2375860608 2597847584 2655696384 2679030321 2903829632 2922578532 2994574308 3167814144 3266808336 3455797248 3540928512 3572040428 3896771376 3992765744 4223752192 4355744448 4491861462 4751721216 5195695168 5311392768 5358060642 5807659264 5845157064 5989148616 6335628288 6533616672 7144080856 7793542752 7985531488 8037090963 8711488896 8983722924 9503442432 9823111177 10391390336 10622785536 10716121284 11615318528 11690314128 11978297232 12671256576 13067233344 14288161712 15587085504 15971062976 16074181926 17422977792 17967445848 19006884864 19646222354 20782780672 21432242568 23230637056 23380628256 23956594464 26134466688 28576323424 29469333531 31174171008 31942125952 32148363852 34845955584 35934891696 38013769728 39292444708 41565561344 42864485136 46461274112 46761256512 47913188928 52268933376 57152646848 58938667062 62348342016 63884251904 64296727704 69691911168 71869783392 78584889416 83131122688 85728970272 88408000593 93522513024 95826377856 104537866752 108054222947 114305293696 117877334124 124696684032 127768503808 128593455408 139383822336 143739566784 157169778832 166262245376 171457940544 176816001186 187045026048 191652755712 209075733504 216108445894 228610587392 235754668248 249393368064 255537007616 257186910816 287479133568 314339557664 324162668841 342915881088 353632002372 374090052096 383305511424 418151467008 432216891788 457221174784 471509336496 498786736128 511074015232 514373821632 574958267136 628679115328 648325337682 685831762176 707264004744 748180104192 766611022848 864433783576 914442349568 943018672992 972488006523 1028747643264 1149916534272 1257358230656 1296650675364 1371663524352 1414528009488 1496360208384 1533222045696 1728867567152 1828884699136 1886037345984 1944976013046 2057495286528 2299833068544 2514716461312 2593301350728 2743327048704 2829056018976 3457735134304 3772074691968 3889952026092 4114990573056 4599666137088 5029432922624 5186602701456 5486654097408 5658112037952 6915470268608 7544149383936 7779904052184 8229981146112 10058865845248 10373205402912 11316224075904 13830940537216 15088298767872 15559808104368 16459962292224 20117731690496 20746410805824 22632448151808 27661881074432 30176597535744 31119616208736 41492821611648 45264896303616 55323762148864 60353195071488 62239232417472 82985643223296 90529792607232 110647524297728 124478464834944 165971286446592 181059585214464 221295048595456 248956929669888 331942572893184 497913859339776 663885145786368 995827718679552 1991655437359104
• Sum of all divisors σ(n): 6341707012586400
• Sum of proper divisors (its aliquot sum) s(n): 4350051575227296
• 1991655437359104 is an abundant number, because the sum of its proper divisors (4350051575227296) is greater than itself. Its abundance is 2358396137868192

Bases of 1991655437359104

• Binary: 111000100110110011001101010110110111101100000000000₂
• Hexadecimal: 0x713666ADBD800
• Base-36: JLZDVKDTS0

Squares and roots of 1991655437359104

• 1991655437359104 squared (1991655437359104²) is 3966691381162083837225851682816
• 1991655437359104 cubed (1991655437359104³) is 7900282457616958394401519455319238113297956864
• The square root of 1991655437359104 is 44627966.9866229063
• The cube root of 1991655437359104 is 125816.6358918809

Scales and comparisons

• 1,991,655,437,359,104 seconds is equal to 63,328,482 years, 16 weeks, 2 days, 38 minutes, 24 seconds.
• To count from 1 to 1,991,655,437,359,104 would take you about one hundred eighty-nine million, nine hundred eighty-five thousand, four hundred forty-six 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 1991655437359104 cubic inches would be around 10484.7 feet tall.

Recreational maths with 1991655437359104

• 1991655437359104 backwards is 4019537345561991
• 1991655437359104 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1991655437359104's digits is 72
• More coming soon!