18343438464

Names of 18343438464

• Cardinal: 18343438464 can be written as Eighteen billion, three hundred forty-three million, four hundred thirty-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8343438464 × 10¹⁰

Factors of 18343438464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1314

Divisors of 18343438464

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 64 68 78 96 102 104 128 136 156 169 192 204 208 221 272 312 338 384 408 416 442 507 544 624 663 676 816 832 884 1014 1088 1248 1279 1326 1352 1632 1664 1768 2028 2176 2197 2496 2558 2652 2704 2873 3264 3536 3837 4056 4394 4992 5116 5304 5408 5746 6528 6591 7072 7674 8112 8619 8788 10232 10608 10816 11492 13182 14144 15348 16224 16627 17238 17576 20464 21216 21632 21743 22984 26364 28288 30696 32448 33254 34476 35152 37349 40928 42432 43486 45968 49881 52728 61392 64896 65229 66508 68952 70304 74698 81856 84864 86972 91936 99762 105456 112047 122784 130458 133016 137904 140608 149396 163712 173944 183872 199524 210912 216151 224094 245568 260916 266032 275808 281216 282659 298792 347888 367744 399048 421824 432302 448188 491136 521832 532064 551616 565318 597584 648453 695776 798096 843648 847977 864604 896376 1043664 1064128 1103232 1130636 1195168 1296906 1391552 1596192 1695954 1729208 1792752 2087328 2128256 2261272 2390336 2593812 2783104 2809963 3192384 3391908 3458416 3585504 3674567 4174656 4522544 4780672 5187624 5619926 6384768 6783816 6916832 7171008 7349134 8349312 8429889 9045088 10375248 11023701 11239852 13567632 13833664 14342016 14698268 16859778 18090176 20750496 22047402 22479704 27135264 27667328 29396536 33719556 36180352 41500992 44094804 44959408 47769371 54270528 58793072 67439112 83001984 88189608 89918816 95538742 108541056 117586144 134878224 143308113 176379216 179837632 191077484 235172288 269756448 286616226 352758432 359675264 382154968 470344576 539512896 573232452 705516864 764309936 1079025792 1146464904 1411033728 1528619872 2292929808 3057239744 4585859616 6114479488 9171719232 18343438464
• Sum of all divisors σ(n): 55931904000
• Sum of proper divisors (its aliquot sum) s(n): 37588465536
• 18343438464 is an abundant number, because the sum of its proper divisors (37588465536) is greater than itself. Its abundance is 19245027072

Bases of 18343438464

• Binary: 10001000101010110101010100010000000₂
• Hexadecimal: 0x4455AA880
• Base-36: 8FD7JPC

Squares and roots of 18343438464

• 18343438464 squared (18343438464²) is 336481734682554679296
• 18343438464 cubed (18343438464³) is 6172231994409416333981430841344
• The square root of 18343438464 is 135437.9506046959
• The cube root of 18343438464 is 2637.3043375109

Scales and comparisons

• 18,343,438,464 seconds is equal to 583 years, 13 weeks, 5 days, 7 hours, 34 minutes, 24 seconds.
• To count from 1 to 18,343,438,464 would take you about one thousand, one hundred sixty-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 18343438464 cubic inches would be around 219.8 feet tall.

Recreational maths with 18343438464

• 18343438464 backwards is 46483434381
• 18343438464 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18343438464's digits is 48
• More coming soon!