18978425424052224

Names of 18978425424052224

• Cardinal: 18978425424052224 can be written as Eighteen quadrillion, nine hundred seventy-eight trillion, four hundred twenty-five billion, four hundred twenty-four million, fifty-two thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 1.8978425424052224 × 10¹⁶

Factors of 18978425424052224

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 1247

Divisors of 18978425424052224

• Number of divisors d(n): 304
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 512 624 768 832 1024 1229 1248 1536 1664 2048 2458 2496 3072 3328 3687 4096 4916 4992 6144 6656 7374 8192 9832 9984 12288 13312 14748 15977 16384 19664 19968 24576 26624 29496 31954 32768 39328 39936 47931 49152 53248 58992 63908 65536 78656 79872 95862 98304 106496 117984 127816 131072 157312 159744 191724 196608 212992 235968 255632 262144 314624 319488 383448 393216 425984 471936 511264 629248 638976 766896 786432 851968 943872 1022528 1258496 1277952 1510441 1533792 1703936 1887744 2045056 2516992 2555904 3020882 3067584 3407872 3775488 4090112 4531323 5033984 5111808 6041764 6135168 7550976 8180224 9062646 10067968 10223616 12083528 12270336 15101952 16360448 18125292 19635733 20135936 24167056 24540672 30203904 32720896 36250584 39271466 40271872 48334112 49081344 58907199 60407808 65441792 72501168 78542932 80543744 96668224 98162688 117814398 120815616 130883584 145002336 157085864 161087488 193336448 196325376 235628796 241631232 261767168 290004672 314171728 322174976 386672896 392650752 471257592 483262464 523534336 580009344 628343456 773345792 785301504 942515184 966524928 1047068672 1160018688 1256686912 1546691584 1570603008 1856331989 1885030368 2094137344 2320037376 2513373824 3093383168 3141206016 3712663978 3770060736 4188274688 4640074752 5026747648 5568995967 6186766336 6282412032 7425327956 7540121472 9280149504 10053495296 11137991934 12373532672 12564824064 14850655912 15080242944 18560299008 20106990592 22275983868 24132315857 24747065344 29701311824 30160485888 37120598016 40213981184 44551967736 48264631714 49494130688 59402623648 60320971776 72396947571 74241196032 80427962368 89103935472 96529263428 98988261376 118805247296 120641943552 144793895142 148482392064 160855924736 178207870944 193058526856 197976522752 237610494592 241283887104 289587790284 296964784128 321711849472 356415741888 386117053712 395953045504 475220989184 482567774208 579175580568 593929568256 643423698944 712831483776 772234107424 950441978368 965135548416 1158351161136 1187859136512 1286847397888 1425662967552 1544468214848 1900883956736 1930271096832 2316702322272 2573694795776 2851325935104 3088936429696 3801767913472 3860542193664 4633404644544 5147389591552 5702651870208 6177872859392 7603535826944 7721084387328 9266809289088 11405303740416 12355745718784 15207071653888 15442168774656 18533618578176 22810607480832 24711491437568 30414143307776 37067237156352 45621214961664 49422982875136 60828286615552 74134474312704 91242429923328 98845965750272 121656573231104 148268948625408 182484859846656 197691931500544 243313146462208 296537897250816 364969719693312 395383863001088 486626292924416 593075794501632 729939439386624 790767726002176 1186151589003264 1459878878773248 1581535452004352 2372303178006528 3163070904008704 4744606356013056 6326141808017408 9489212712026112 18978425424052224
• Sum of all divisors σ(n): 54546423622343520
• Sum of proper divisors (its aliquot sum) s(n): 35567998198291296
• 18978425424052224 is an abundant number, because the sum of its proper divisors (35567998198291296) is greater than itself. Its abundance is 16589572774239072

Bases of 18978425424052224

• Binary: 1000011011011001100011100000001110011000000000000000000₂
• Hexadecimal: 0x436CC701CC0000
• Base-36: 56VAGA1222O

Squares and roots of 18978425424052224

• 18978425424052224 squared (18978425424052224²) is 360180631576311838354688679346176
• 18978425424052224 cubed (18978425424052224³) is 6835661255559063862486243271154685557168798695424
• The square root of 18978425424052224 is 137762206.0800865079
• The cube root of 18978425424052224 is 266739.1272617223

Scales and comparisons

• 18,978,425,424,052,224 seconds is equal to 603,455,224 years, 18 weeks, 5 days, 6 hours, 30 minutes, 24 seconds.
• To count from 1 to 18,978,425,424,052,224 would take you about one billion, eight hundred ten million, three hundred sixty-five thousand, six hundred seventy-three 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 18978425424052224 cubic inches would be around 22228.3 feet tall.

Recreational maths with 18978425424052224

• 18978425424052224 backwards is 42225042452487981
• The number of decimal digits it has is: 17
• The sum of 18978425424052224's digits is 69
• More coming soon!