18318025908

Names of 18318025908

• Cardinal: 18318025908 can be written as Eighteen billion, three hundred eighteen million, twenty-five thousand, nine hundred eight.

Scientific notation

• Scientific notation: 1.8318025908 × 10¹⁰

Factors of 18318025908

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2233

Divisors of 18318025908

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 81 84 91 108 117 126 156 162 182 189 234 252 273 324 331 351 364 378 468 546 567 662 702 756 819 993 1053 1092 1134 1324 1404 1638 1877 1986 2106 2268 2317 2457 2979 3276 3754 3972 4212 4303 4634 4914 5631 5958 6951 7371 7508 8606 8937 9268 9828 11262 11916 12909 13139 13902 14742 16893 17212 17874 20853 22524 24401 25818 26278 26811 27804 29484 30121 33786 35748 38727 39417 41706 48802 50679 51636 52556 53622 60242 62559 67572 73203 77454 78834 83412 90363 97604 101358 107244 116181 118251 120484 125118 146406 152037 154908 157668 170807 180726 187677 202716 219609 232362 236502 250236 271089 292812 304074 341614 348543 354753 361452 375354 439218 464724 473004 512421 542178 608148 621287 658827 683228 697086 709506 750708 813267 878436 1024842 1064259 1084356 1242574 1317654 1394172 1419012 1537263 1626534 1863861 1976481 2049684 2128518 2439801 2485148 2635308 3074526 3253068 3727722 3952962 4257036 4349009 4611789 4879602 5591583 6149052 7455444 7905924 8076731 8698018 9223578 9759204 11183166 13047027 13835367 16153462 16774749 17396036 18447156 22366332 24230193 26094054 27670734 32306924 33549498 39141081 48460386 50324247 52188108 55341468 56537117 67098996 72690579 78282162 96920772 100648494 113074234 117423243 145381158 156564324 169611351 201296988 218071737 226148468 234846486 290762316 339222702 352269729 436143474 469692972 508834053 654215211 678445404 704539458 872286948 1017668106 1308430422 1409078916 1526502159 2035336212 2616860844 3053004318 4579506477 6106008636 9159012954 18318025908
• Sum of all divisors σ(n): 59147324544
• Sum of proper divisors (its aliquot sum) s(n): 40829298636
• 18318025908 is an abundant number, because the sum of its proper divisors (40829298636) is greater than itself. Its abundance is 22511272728

Bases of 18318025908

• Binary: 10001000011110101101110010010110100₂
• Hexadecimal: 0x443D6E4B4
• Base-36: 8EY2V90

Squares and roots of 18318025908

• 18318025908 squared (18318025908²) is 335550073166159224464
• 18318025908 cubed (18318025908³) is 6146614933689000262584739413312
• The square root of 18318025908 is 135344.1018589285
• The cube root of 18318025908 is 2636.0858887863

Scales and comparisons

• 18,318,025,908 seconds is equal to 582 years, 23 weeks, 5 days, 4 hours, 31 minutes, 48 seconds.
• To count from 1 to 18,318,025,908 would take you about one thousand, one hundred sixty-four 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 18318025908 cubic inches would be around 219.7 feet tall.

Recreational maths with 18318025908

• 18318025908 backwards is 80952081381
• The number of decimal digits it has is: 11
• The sum of 18318025908's digits is 45
• More coming soon!