18004289472

Names of 18004289472

• Cardinal: 18004289472 can be written as Eighteen billion, four million, two hundred eighty-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8004289472 × 10¹⁰

Factors of 18004289472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1000

Divisors of 18004289472

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 29 32 36 39 48 52 54 58 64 72 78 87 96 104 108 116 117 144 156 174 192 208 216 232 234 261 288 312 348 351 377 416 432 464 468 522 576 624 696 702 754 783 832 841 864 928 936 953 1044 1131 1248 1392 1404 1508 1566 1682 1728 1856 1872 1906 2088 2262 2496 2523 2784 2808 2859 3016 3132 3364 3393 3744 3812 4176 4524 5046 5568 5616 5718 6032 6264 6728 6786 7488 7569 7624 8352 8577 9048 10092 10179 10933 11232 11436 12064 12389 12528 13456 13572 15138 15248 16704 17154 18096 20184 20358 21866 22464 22707 22872 24128 24778 25056 25731 26912 27144 27637 30276 30496 32799 34308 36192 37167 40368 40716 43732 45414 45744 49556 50112 51462 53824 54288 55274 60552 60992 65598 68616 72384 74334 80736 81432 82911 87464 90828 91488 98397 99112 102924 108576 110548 111501 121104 131196 137232 148668 161472 162864 165822 174928 181656 182976 196794 198224 205848 217152 221096 223002 242208 248733 262392 274464 295191 297336 325728 331644 334503 349856 359281 363312 393588 396448 411696 442192 446004 484416 497466 524784 548928 590382 594672 651456 663288 669006 699712 718562 726624 746199 787176 792896 801473 823392 884384 892008 994932 1049568 1077843 1180764 1189344 1326576 1338012 1437124 1453248 1492398 1574352 1602946 1646784 1768768 1784016 1989864 2099136 2155686 2361528 2378688 2404419 2653152 2676024 2874248 2984796 3148704 3205892 3233529 3568032 3979728 4311372 4723056 4808838 5306304 5352048 5748496 5969592 6297408 6411784 6467058 7136064 7213257 7959456 8622744 9446112 9617676 9700587 10419149 10704096 11496992 11939184 12823568 12934116 14426514 15918912 17245488 18892224 19235352 19401174 20838298 21408192 21639771 22993984 23878368 25647136 25868232 28853028 31257447 34490976 38470704 38802348 41676596 43279542 47756736 51294272 51736464 57706056 62514894 68981952 76941408 77604696 83353192 86559084 93772341 103472928 115412112 125029788 153882816 155209392 166706384 173118168 187544682 206945856 230824224 250059576 281317023 310418784 333412768 346236336 375089364 461648448 500119152 562634046 620837568 666825536 692472672 750178728 1000238304 1125268092 1384945344 1500357456 2000476608 2250536184 3000714912 4501072368 6001429824 9002144736 18004289472
• Sum of all divisors σ(n): 59096026080
• Sum of proper divisors (its aliquot sum) s(n): 41091736608
• 18004289472 is an abundant number, because the sum of its proper divisors (41091736608) is greater than itself. Its abundance is 23087447136

Bases of 18004289472

• Binary: 10000110001001000111010011111000000₂
• Hexadecimal: 0x43123A7C0
• Base-36: 89RAEO0

Squares and roots of 18004289472

• 18004289472 squared (18004289472²) is 324154439391570038784
• 18004289472 cubed (18004289472³) is 5836170360439706534829402882048
• The square root of 18004289472 is 134180.0636160231
• The cube root of 18004289472 is 2620.9495553937

Scales and comparisons

• 18,004,289,472 seconds is equal to 572 years, 24 weeks, 6 days, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,004,289,472 would take you about one thousand, one hundred forty-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 18004289472 cubic inches would be around 218.4 feet tall.

Recreational maths with 18004289472

• 18004289472 backwards is 27498240081
• The number of decimal digits it has is: 11
• The sum of 18004289472's digits is 45
• More coming soon!