18009090454239808

Names of 18009090454239808

• Cardinal: 18009090454239808 can be written as Eighteen quadrillion, nine trillion, ninety billion, four hundred fifty-four million, two hundred thirty-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8009090454239808 × 10¹⁶

Factors of 18009090454239808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 79412

Divisors of 18009090454239808

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 49 56 64 77 83 88 98 112 154 166 176 196 224 308 332 352 392 448 539 581 616 664 704 784 913 1078 1162 1232 1328 1568 1826 2156 2324 2464 2656 3136 3652 4067 4312 4648 4928 5312 6391 7304 8134 8624 9296 12782 14608 16268 17248 18592 25564 29216 32536 34496 37184 44737 51128 58432 65072 79309 89474 102256 130144 158618 178948 204512 260288 317236 357896 409024 555163 634472 715792 872399 1110326 1268944 1431584 1744798 2220652 2537888 2863168 3489596 3886141 4441304 5075776 6106793 6582647 6979192 7772282 8882608 12213586 13165294 13958384 15544564 17765216 24427172 26330588 27916768 31089128 35530432 42747551 46078529 48854344 52661176 55833536 62178256 72409117 85495102 92157058 97708688 105322352 124356512 144818234 170990204 184314116 195417376 210644704 248713024 289636468 322549703 341980408 368628232 390834752 421289408 506863819 579272936 645099406 683960816 737256464 1013727638 1158545872 1290198812 1367921632 1474512928 2027455276 2317091744 2580397624 2735843264 2949025856 3548046733 4054910552 4634183488 5160795248 6289917481 7096093466 8109821104 10321590496 12579834962 14192186932 16219642208 20643180992 25159669924 28384373864 32439284416 44029422367 50319339848 56768747728 69189092291 88058844734 100638679696 113537495456 138378184582 176117689468 201277359392 227074990912 276756369164 308205956569 352235378936 402554718784 484323646037 522063150923 553512738328 616411913138 704470757872 968647292074 1044126301846 1107025476656 1232823826276 1408941515744 1937294584148 2088252603692 2214050953312 2465647652552 2817883031488 3390265522259 3654442056461 3874589168296 4176505207384 4428101906624 4931295305104 5742694660153 6780531044518 7308884112922 7749178336592 8353010414768 9862590610208 11485389320306 13561062089036 14617768225844 15498356673184 16706020829536 19725181220416 22970778640612 25581094395227 27122124178072 29235536451688 30996713346368 33412041659072 40198862621071 45941557281224 51162188790454 54244248356144 58471072903376 80397725242142 91883114562448 102324377580908 108488496712288 116942145806752 160795450484284 183766229124896 204648755161816 216976993424576 233884291613504 281392038347497 321590900968568 367532458249792 409297510323632 562784076694994 643181801937136 818595020647264 1125568153389988 1286363603874272 1637190041294528 2251136306779976 2572727207748544 4502272613559952 9004545227119904 18009090454239808
• Sum of all divisors σ(n): 45897553064209392
• Sum of proper divisors (its aliquot sum) s(n): 27888462609969584
• 18009090454239808 is an abundant number, because the sum of its proper divisors (27888462609969584) is greater than itself. Its abundance is 9879372155729776

Bases of 18009090454239808

• Binary: 111111111110110010110000011111010000001011101001000000₂
• Hexadecimal: 0x3FFB2C1F40BA40
• Base-36: 4XBOTXVINGG

Squares and roots of 18009090454239808

• 18009090454239808 squared (18009090454239808²) is 324327338988991374043243171876864
• 18009090454239808 cubed (18009090454239808³) is 5840840384635642855878786033274874784417703002112
• The square root of 18009090454239808 is 134197952.4964513309
• The cube root of 18009090454239808 is 262118.2500140657

Scales and comparisons

• 18,009,090,454,239,808 seconds is equal to 572,633,370 years, 34 weeks, 6 days, 1 hour, 43 minutes, 28 seconds.
• To count from 1 to 18,009,090,454,239,808 would take you about one billion, seven hundred seventeen million, nine hundred thousand, one hundred twelve 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 18009090454239808 cubic inches would be around 21843.2 feet tall.

Recreational maths with 18009090454239808

• 18009090454239808 backwards is 80893245409090081
• The number of decimal digits it has is: 17
• The sum of 18009090454239808's digits is 70
• More coming soon!