18934836821491712

Names of 18934836821491712

• Cardinal: 18934836821491712 can be written as Eighteen quadrillion, nine hundred thirty-four trillion, eight hundred thirty-six billion, eight hundred twenty-one million, four hundred ninety-one thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8934836821491712 × 10¹⁶

Factors of 18934836821491712

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 26
• Sum of prime factors: 434

Divisors of 18934836821491712

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 421 484 512 704 842 968 1024 1408 1684 1936 2048 2816 3368 3872 4096 4631 5632 6736 7744 8192 9262 11264 13472 15488 16384 18524 22528 26944 30976 32768 37048 45056 50941 53888 61952 65536 74096 90112 101882 107776 123904 131072 148192 177241 180224 203764 215552 247808 262144 296384 354482 360448 407528 431104 495616 524288 592768 708964 720896 815056 862208 991232 1048576 1185536 1417928 1441792 1630112 1724416 1949651 1982464 2097152 2371072 2835856 2883584 3260224 3448832 3899302 3964928 4742144 5671712 5767168 6520448 6897664 7798604 7929856 9484288 11343424 11534336 13040896 13795328 15597208 15859712 18968576 21446161 22686848 23068672 26081792 27590656 31194416 31719424 37937152 42892322 45373696 52163584 55181312 62388832 63438848 74618461 75874304 85784644 90747392 104327168 110362624 124777664 126877696 149236922 151748608 171569288 181494784 208654336 220725248 249555328 253755392 298473844 303497216 343138576 362989568 417308672 441450496 499110656 596947688 606994432 686277152 725979136 820803071 834617344 882900992 998221312 1193895376 1213988864 1372554304 1451958272 1641606142 1669234688 1996442624 2387790752 2427977728 2745108608 2903916544 3283212284 3338469376 3992885248 4775581504 4855955456 5490217216 5807833088 6566424568 6676938752 7985770496 9028833781 9551163008 9711910912 10980434432 11615666176 13132849136 13353877504 15971540992 18057667562 19102326016 21960868864 23231332352 26265698272 26707755008 31943081984 36115335124 38204652032 43921737728 46462664704 52531396544 53415510016 63886163968 72230670248 76409304064 87843475456 92925329408 105062793088 106831020032 127772327936 144461340496 152818608128 175686950912 185850658816 210125586176 255544655872 288922680992 305637216256 351373901824 371701317632 420251172352 511089311744 577845361984 611274432512 702747803648 840502344704 1022178623488 1155690723968 1222548865024 1405495607296 1681004689408 2044357246976 2311381447936 2445097730048 2810991214592 3362009378816 4088714493952 4622762895872 4890195460096 5621982429184 6724018757632 9245525791744 9780390920192 11243964858368 13448037515264 18491051583488 19560781840384 22487929716736 26896075030528 36982103166976 39121563680768 44975859433472 53792150061056 73964206333952 78243127361536 107584300122112 147928412667904 156486254723072 215168600244224 295856825335808 430337200488448 591713650671616 860674400976896 1183427301343232 1721348801953792 2366854602686464 4733709205372928 9467418410745856 18934836821491712
• Sum of all divisors σ(n): 41724441768449076
• Sum of proper divisors (its aliquot sum) s(n): 22789604946957364
• 18934836821491712 is an abundant number, because the sum of its proper divisors (22789604946957364) is greater than itself. Its abundance is 3854768125465652

Bases of 18934836821491712

• Binary: 1000011010001010010001000111110101000000000000000000000₂
• Hexadecimal: 0x4345223EA00000
• Base-36: 56FU7Y8IM0W

Squares and roots of 18934836821491712

• 18934836821491712 squared (18934836821491712²) is 358528045456518359007096884690944
• 18934836821491712 cubed (18934836821491712³) is 6788670036647538120877590647904575279814177456128
• The square root of 18934836821491712 is 137603912.8131599025
• The cube root of 18934836821491712 is 266534.7601417859

Scales and comparisons

• 18,934,836,821,491,712 seconds is equal to 602,069,241 years, 32 weeks, 4 days, 10 hours, 48 minutes, 32 seconds.
• To count from 1 to 18,934,836,821,491,712 would take you about one billion, eight hundred six million, two hundred seven thousand, seven hundred twenty-four 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 18934836821491712 cubic inches would be around 22211.2 feet tall.

Recreational maths with 18934836821491712

• 18934836821491712 backwards is 21719412863843981
• The number of decimal digits it has is: 17
• The sum of 18934836821491712's digits is 77
• More coming soon!