18505809504

Names of 18505809504

• Cardinal: 18505809504 can be written as Eighteen billion, five hundred five million, eight hundred nine thousand, five hundred four.

Scientific notation

• Scientific notation: 1.8505809504 × 10¹⁰

Factors of 18505809504

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1263

Divisors of 18505809504

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 67 72 78 81 84 91 96 104 108 112 117 126 134 144 156 162 168 182 189 201 208 216 224 234 252 268 273 288 312 324 336 351 364 378 402 416 432 468 469 504 536 546 567 603 624 648 672 702 728 756 804 819 864 871 936 938 1008 1053 1072 1092 1134 1171 1206 1248 1296 1404 1407 1456 1512 1608 1638 1742 1809 1872 1876 2016 2106 2144 2184 2268 2342 2412 2457 2592 2613 2808 2814 2912 3024 3216 3276 3484 3513 3618 3744 3752 4212 4221 4368 4536 4684 4824 4914 5226 5427 5616 5628 6048 6097 6432 6552 6968 7026 7236 7371 7504 7839 8197 8424 8442 8736 9072 9368 9648 9828 10452 10539 10854 11232 11256 12194 12663 13104 13936 14052 14472 14742 15008 15223 15678 16394 16848 16884 18144 18291 18736 19296 19656 20904 21078 21708 22512 23517 24388 24591 25326 26208 27872 28104 28944 29484 30446 31356 31617 32788 33696 33768 36582 37472 37989 39312 41808 42156 43416 45024 45669 47034 48776 49182 50652 54873 56208 57888 58968 60892 62712 63234 65576 67536 70551 73164 73773 75978 78457 78624 83616 84312 86832 91338 94068 94851 97552 98364 101304 106561 109746 112416 117936 121784 125424 126468 131152 135072 137007 141102 146328 147546 151956 156914 164619 168624 173664 182676 188136 189702 195104 196728 202608 213122 219492 221319 235371 235872 243568 250848 252936 262304 274014 282204 292656 295092 303912 313828 319683 329238 337248 365352 376272 379404 393456 405216 411021 426244 438984 442638 470742 487136 493857 505872 548028 549199 564408 585312 590184 607824 627656 639366 658476 663957 706113 730704 752544 758808 786912 822042 852488 877968 885276 941484 959049 987714 1011744 1019941 1096056 1098398 1128816 1180368 1215648 1233063 1255312 1278732 1316952 1327914 1412226 1461408 1517616 1644084 1647597 1704976 1755936 1770552 1882968 1918098 1975428 2039882 2118339 2192112 2196796 2257632 2360736 2466126 2510624 2557464 2633904 2655828 2824452 2877147 3035232 3059823 3288168 3295194 3409952 3541104 3765936 3836196 3950856 4079764 4236678 4384224 4393592 4932252 4942791 5114928 5267808 5311656 5648904 5754294 6119646 6355017 6576336 6590388 7082208 7139587 7531872 7672392 7901712 8159528 8473356 8631441 8787184 9179469 9864504 9885582 10229856 10623312 11297808 11508588 12239292 12710034 13152672 13180776 14279174 14828373 15344784 15803424 16319056 16946712 17262882 17574368 18358938 19729008 19771164 21246624 21418761 22595616 23017176 24478584 25420068 26361552 27538407 28558348 29656746 30689568 32638112 33893424 34525764 36717876 39458016 39542328 42837522 44485119 46034352 48957168 50840136 52723104 55076814 57116696 59313492 64256283 67786848 69051528 73435752 79084656 82615221 85675044 88970238 92068704 97914336 101680272 110153628 114233392 118626984 128512566 138103056 146871504 158169312 165230442 171350088 177940476 192768849 203360544 220307256 228466784 237253968 257025132 276206112 293743008 330460884 342700176 355880952 385537698 440614512 474507936 514050264 578306547 660921768 685400352 711761904 771075396 881229024 1028100528 1156613094 1321843536 1423523808 1542150792 2056201056 2313226188 2643687072 3084301584 4626452376 6168603168 9252904752 18505809504
• Sum of all divisors σ(n): 68042532096
• Sum of proper divisors (its aliquot sum) s(n): 49536722592
• 18505809504 is an abundant number, because the sum of its proper divisors (49536722592) is greater than itself. Its abundance is 31030913088

Bases of 18505809504

• Binary: 10001001111000010000011111001100000₂
• Hexadecimal: 0x44F083E60
• Base-36: 8I1VQ00

Squares and roots of 18505809504

• 18505809504 squared (18505809504²) is 342464985398336726016
• 18505809504 cubed (18505809504³) is 6337591781571761010099136856064
• The square root of 18505809504 is 136036.0595724529
• The cube root of 18505809504 is 2645.0630523501

Scales and comparisons

• 18,505,809,504 seconds is equal to 588 years, 22 weeks, 1 day, 14 hours, 38 minutes, 24 seconds.
• To count from 1 to 18,505,809,504 would take you about one thousand, one hundred seventy-six 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 18505809504 cubic inches would be around 220.4 feet tall.

Recreational maths with 18505809504

• 18505809504 backwards is 40590850581
• The number of decimal digits it has is: 11
• The sum of 18505809504's digits is 45
• More coming soon!