18428435814390625

Names of 18428435814390625

• Cardinal: 18428435814390625 can be written as Eighteen quadrillion, four hundred twenty-eight trillion, four hundred thirty-five billion, eight hundred fourteen million, three hundred ninety thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.8428435814390625 × 10¹⁶

Factors of 18428435814390625

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 546

Divisors of 18428435814390625

• Number of divisors d(n): 189
• Complete list of divisors:
  1 5 17 25 85 125 193 289 331 425 625 965 1445 1655 2125 3125 3281 4825 5627 7225 8275 10625 15625 16405 24125 28135 36125 37249 41375 53125 55777 63883 82025 95659 109561 120625 140675 180625 186245 206875 265625 278885 319415 410125 478295 547805 603125 633233 703375 903125 931225 1034375 1086011 1394425 1597075 1862537 2050625 2391475 2739025 3015625 3166165 3516875 4515625 4656125 5171875 5430055 6972125 7985375 9312685 10253125 10764961 11957375 12329419 13695125 15830825 17584375 18462187 21145273 23280625 27150275 31663129 34860625 39926875 46563425 51265625 53824805 59786875 61647095 68475625 79154125 87921875 92310935 105726365 116403125 135751375 158315645 174303125 199634375 209600123 232817125 269124025 298934375 308235475 342378125 359469641 395770625 461554675 528631825 582015625 678756875 791578225 871515625 998171875 1048000615 1164085625 1345620125 1494671875 1541177375 1711890625 1797348205 1978853125 2307773375 2643159125 3393784375 3563202091 3957891125 4081037689 5240003075 5820428125 6110983897 6728100625 7705886875 8986741025 9894265625 11538866875 13215795625 16968921875 17816010455 19789455625 20405188445 26200015375 29102140625 30554919485 33640503125 38529434375 44933705125 57694334375 66078978125 69377640713 89080052275 98947278125 102025942225 131000076875 152774597425 168202515625 192647171875 224668525625 288471671875 330394890625 346888203565 445400261375 494736390625 510129711125 655000384375 763872987125 1123342628125 1179419892121 1734441017825 2227001306875 2550648555625 3275001921875 3819364935625 5616713140625 5897099460605 8672205089125 11135006534375 12753242778125 19096824678125 29485497303025 43361025445625 55675032671875 63766213890625 95484123390625 147427486515125 216805127228125 737137432575625 1084025636140625 3685687162878125 18428435814390625
• Sum of all divisors σ(n): 24671952649905183
• Sum of proper divisors (its aliquot sum) s(n): 6243516835514558
• 18428435814390625 is a deficient number, because the sum of its proper divisors (6243516835514558) is less than itself. Its deficiency is 12184918978876067

Bases of 18428435814390625

• Binary: 1000001011110001001000010010010011110111001101101100001₂
• Hexadecimal: 0x417890927B9B61
• Base-36: 51GC2JFRX41

Squares and roots of 18428435814390625

• 18428435814390625 squared (18428435814390625²) is 339607246565115058075840087890625
• 18428435814390625 cubed (18428435814390625³) is 6258430345427153899964999473381376499176025390625
• 18428435814390625 is a perfect square number. Its square root is 135751375
• The cube root of 18428435814390625 is 264137.1523649367

Scales and comparisons

• 18,428,435,814,390,625 seconds is equal to 585,967,256 years, 1 day, 1 hour, 50 minutes, 25 seconds.
• To count from 1 to 18,428,435,814,390,625 would take you about one billion, seven hundred fifty-seven million, nine hundred one thousand, seven hundred sixty-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 18428435814390625 cubic inches would be around 22011.4 feet tall.

Recreational maths with 18428435814390625

• 18428435814390625 backwards is 52609341853482481
• The number of decimal digits it has is: 17
• The sum of 18428435814390625's digits is 73
• More coming soon!