18181814453090816

Names of 18181814453090816

• Cardinal: 18181814453090816 can be written as Eighteen quadrillion, one hundred eighty-one trillion, eight hundred fourteen billion, four hundred fifty-three million, ninety thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8181814453090816 × 10¹⁶

Factors of 18181814453090816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 9084

Divisors of 18181814453090816

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 11 16 22 32 41 44 64 82 88 128 164 176 256 328 352 451 512 656 704 902 1312 1327 1408 1804 2624 2654 2816 3608 5248 5308 5632 7216 7703 10496 10616 14432 14597 15406 20992 21232 28864 29194 30812 42464 54407 57728 58388 61624 84733 84928 108814 115456 116776 123248 169466 169856 217628 230912 233552 246496 315823 338932 339712 435256 467104 492992 598477 631646 677864 679424 870512 934208 985984 1196954 1263292 1355728 1741024 1868416 1971968 2393908 2526584 2711456 3474053 3482048 3736832 3943936 4787816 5053168 5422912 6948106 6964096 7473664 9575632 10106336 10221881 10845824 13896212 13928192 19151264 20212672 20443762 21691648 27792424 27856384 38302528 40425344 40887524 43383296 55584848 59336209 76605056 80850688 81775048 111169696 112440691 118672418 153210112 161701376 163550096 222339392 224881382 237344836 306420224 327100192 419097121 444678784 449762764 474689672 652698299 654200384 838194242 889357568 899525528 949379344 1305396598 1308400768 1676388484 1778715136 1799051056 1898758688 2432784569 2610793196 2616801536 3352776968 3598102112 3797517376 4610068331 4865569138 5221586392 5233603072 6705553936 7196204224 7595034752 9220136662 9731138276 10443172784 13411107872 14392408448 15190069504 18440273324 19462276552 20886345568 26760630259 26822215744 28784816896 30380139008 36880546648 38924553104 41772691136 53521260518 53644431488 57569633792 73761093296 77849106208 78739149343 83545382272 107042521036 107288862976 147522186592 155698212416 157478298686 167090764544 214085042072 214577725952 295044373184 311396424832 314956597372 334181529088 428170084144 590088746368 622792849664 629913194744 856340168288 866130642773 1180177492736 1245585699328 1259826389488 1712680336576 1732261285546 2360354985472 2519652778976 3228305123063 3425360673152 3464522571092 5039305557952 6456610246126 6850721346304 6929045142184 10078611115904 12913220492252 13701442692608 13858090284368 20157222231808 25826440984504 27716180568736 35511356353693 40314444463616 51652881969008 55432361137472 71022712707386 103305763938016 110864722274944 142045425414772 206611527876032 221729444549888 284090850829544 413223055752064 443458889099776 568181701659088 826446111504128 1136363403318176 1652892223008256 2272726806636352 4545453613272704 9090907226545408 18181814453090816
• Sum of all divisors σ(n): 40633143739106688
• Sum of proper divisors (its aliquot sum) s(n): 22451329286015872
• 18181814453090816 is an abundant number, because the sum of its proper divisors (22451329286015872) is greater than itself. Its abundance is 4269514832925056

Bases of 18181814453090816

• Binary: 1000000100110000100001110001111110110010011101000000000₂
• Hexadecimal: 0x4098438FD93A00
• Base-36: 4Z0WY90TYWW

Squares and roots of 18181814453090816

• 18181814453090816 squared (18181814453090816²) is 330578376806622088531735543545856
• 18181814453090816 cubed (18181814453090816³) is 6010514709301943281243425046407953584179428458496
• The square root of 18181814453090816 is 134839958.6661565837
• The cube root of 18181814453090816 is 262953.5714574205

Scales and comparisons

• 18,181,814,453,090,816 seconds is equal to 578,125,459 years, 29 weeks, 2 days, 3 hours, 26 minutes, 56 seconds.
• To count from 1 to 18,181,814,453,090,816 would take you about one billion, seven hundred thirty-four million, three hundred seventy-six thousand, three hundred seventy-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 18181814453090816 cubic inches would be around 21912.8 feet tall.

Recreational maths with 18181814453090816

• 18181814453090816 backwards is 61809035441818181
• The number of decimal digits it has is: 17
• The sum of 18181814453090816's digits is 68
• More coming soon!