18194217721308

Names of 18194217721308

• Cardinal: 18194217721308 can be written as Eighteen trillion, one hundred ninety-four billion, two hundred seventeen million, seven hundred twenty-one thousand, three hundred eight.

Scientific notation

• Scientific notation: 1.8194217721308 × 10¹³

Factors of 18194217721308

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 494

Divisors of 18194217721308

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 43 54 73 81 86 108 129 146 162 172 219 243 258 292 324 373 387 438 486 516 657 729 746 774 876 972 1119 1161 1314 1458 1492 1548 1971 2238 2322 2628 2916 3139 3357 3483 3942 4476 4644 5329 5913 6278 6714 6966 7884 9417 10071 10449 10658 11826 12556 13428 13932 15987 16039 17739 18834 20142 20898 21316 23652 27229 28251 30213 31347 31974 32078 35478 37668 40284 41796 47961 48117 53217 54458 56502 60426 62694 63948 64156 70956 81687 84753 90639 95922 96234 106434 108916 113004 120852 125388 143883 144351 163374 169506 181278 191844 192468 212868 229147 245061 254259 271917 287766 288702 326748 339012 362556 389017 431649 433053 458294 490122 508518 543834 575532 577404 687441 735183 762777 778034 863298 866106 916588 980244 1017036 1087668 1167051 1170847 1294947 1299159 1374882 1470366 1525554 1556068 1726596 1732212 1987717 2062323 2205549 2288331 2334102 2341694 2589894 2598318 2749764 2940732 3051108 3501153 3512541 3884841 3897477 3975434 4124646 4411098 4576662 4668204 4683388 5179788 5196636 5963151 6186969 6616647 7002306 7025082 7769682 7794954 7950868 8249292 8822196 9153324 10503459 10537623 11692431 11926302 12373938 13233294 14004612 14050164 15539364 15589908 16727731 17889453 18560907 19849941 21006918 21075246 23384862 23852604 24747876 26466588 31510377 31612869 33455462 35778906 37121814 39699882 42013836 42150492 46769724 50183193 53668359 55682721 63020754 63225738 66910924 71557812 74243628 79399764 85471831 94531131 94838607 100366386 107336718 111365442 126041508 126451476 145103341 150549579 161005077 167048163 170943662 189062262 189677214 200732772 214673436 222730884 256415493 283593393 284515821 290206682 301099158 322010154 334096326 341887324 378124524 379354428 435310023 451648737 483015231 512830986 567186786 569031642 580413364 602198316 644020308 668192652 769246479 853547463 870620046 903297474 966030462 1025661972 1134373572 1138063284 1305930069 1354946211 1449045693 1538492958 1707094926 1741240092 1806594948 1932060924 2307739437 2611860138 2709892422 2898091386 3076985916 3414189852 3917790207 4064838633 4615478874 5223720276 5419784844 5796182772 6239443663 6923218311 7835580414 8129677266 9230957748 11753370621 12194515899 12478887326 13846436622 15671160828 16259354532 18718330989 20769654933 23506741242 24389031798 24957774652 27692873244 35260111863 37436661978 41539309866 47013482484 48778063596 56154992967 62308964799 70520223726 74873323956 83078619732 105780335589 112309985934 124617929598 141040447452 168464978901 211560671178 224619971868 249235859196 336929957802 423121342356 505394936703 673859915604 1010789873406 1516184810109 2021579746812 3032369620218 4548554430327 6064739240436 9097108860654 18194217721308
• Sum of all divisors σ(n): 49659393303520
• Sum of proper divisors (its aliquot sum) s(n): 31465175582212
• 18194217721308 is an abundant number, because the sum of its proper divisors (31465175582212) is greater than itself. Its abundance is 13270957860904

Bases of 18194217721308

• Binary: 100001000110000101011111000100101110111011100₂
• Hexadecimal: 0x108C2BE25DDC
• Base-36: 6G6B3GXR0

Squares and roots of 18194217721308

• 18194217721308 squared (18194217721308²) is 331029558490358071957230864
• 18194217721308 cubed (18194217721308³) is 6022823859362035944454673226039768050112
• The square root of 18194217721308 is 4265468.0541891297
• The cube root of 18194217721308 is 26301.3351745491

Scales and comparisons

• 18,194,217,721,308 seconds is equal to 578,519 years, 43 weeks, 6 days, 15 hours, 1 minute, 48 seconds.
• To count from 1 to 18,194,217,721,308 would take you about one million, four hundred forty-six thousand, two hundred ninety-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 18194217721308 cubic inches would be around 2191.8 feet tall.

Recreational maths with 18194217721308

• 18194217721308 backwards is 80312771249181
• 18194217721308 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18194217721308's digits is 54
• More coming soon!