18768431448

Names of 18768431448

• Cardinal: 18768431448 can be written as Eighteen billion, seven hundred sixty-eight million, four hundred thirty-one thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.8768431448 × 10¹⁰

Factors of 18768431448

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 303

Divisors of 18768431448

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 36 37 39 52 72 74 78 97 104 111 117 148 151 156 194 222 234 291 296 302 312 333 388 444 453 468 481 582 604 666 776 873 888 906 936 962 1164 1208 1261 1332 1359 1369 1443 1746 1812 1924 1963 2328 2522 2664 2718 2738 2886 3492 3589 3624 3783 3848 3926 4107 4329 5044 5436 5476 5587 5772 5889 6984 7178 7566 7852 8214 8658 10088 10767 10872 10952 11174 11349 11544 11778 12321 14356 14647 15132 15704 16428 16761 17316 17667 17797 21534 22348 22698 23556 24642 28712 29294 30264 32301 32856 33522 34632 35334 35594 43068 43941 44696 45396 46657 47112 49284 50283 53391 58588 64602 67044 70668 71188 72631 86136 87882 90792 93314 98568 100566 106782 117176 129204 131823 132793 134088 139971 141336 142376 145262 160173 175764 186628 190411 201132 206719 213564 217893 258408 263646 265586 279942 290524 320346 351528 373256 380822 398379 402264 413438 419913 427128 435786 527292 531172 541939 559884 571233 581048 620157 640692 653679 761644 796758 826876 839826 871572 1054584 1062344 1083878 1119768 1142466 1195137 1240314 1281384 1307358 1523288 1593516 1625817 1653752 1679652 1713699 1726309 1743144 1860471 2167756 2284932 2390274 2480628 2614716 2687347 3187032 3251634 3359304 3427398 3452618 3720942 4335512 4569864 4780548 4877451 4961256 5178927 5229432 5374694 6503268 6854796 6905236 7045207 7441884 8062041 9561096 9754902 10357854 10749388 13006536 13709592 13810472 14090414 14883768 15536781 16124082 19509804 20051743 20715708 21135621 21498776 24186123 28180828 31073562 32248164 39019608 40103486 41431416 42271242 48372246 56361656 60155229 62147124 63406863 64496328 80206972 84542484 96744492 120310458 124294248 126813726 160413944 169084968 180465687 193488984 240620916 253627452 260672659 360931374 481241832 507254904 521345318 721862748 782017977 1042690636 1443725496 1564035954 2085381272 2346053931 3128071908 4692107862 6256143816 9384215724 18768431448
• Sum of all divisors σ(n): 57217174560
• Sum of proper divisors (its aliquot sum) s(n): 38448743112
• 18768431448 is an abundant number, because the sum of its proper divisors (38448743112) is greater than itself. Its abundance is 19680311664

Bases of 18768431448

• Binary: 10001011110101011111000100101011000₂
• Hexadecimal: 0x45EAF8958
• Base-36: 8ME8ME0

Squares and roots of 18768431448

• 18768431448 squared (18768431448²) is 352254019018275376704
• 18768431448 cubed (18768431448³) is 6611255408226989666855400187392
• The square root of 18768431448 is 136997.9249769865
• The cube root of 18768431448 is 2657.5166417033

Scales and comparisons

• 18,768,431,448 seconds is equal to 596 years, 40 weeks, 3 days, 5 hours, 10 minutes, 48 seconds.
• To count from 1 to 18,768,431,448 would take you about one thousand, one hundred ninety-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 18768431448 cubic inches would be around 221.5 feet tall.

Recreational maths with 18768431448

• 18768431448 backwards is 84413486781
• The number of decimal digits it has is: 11
• The sum of 18768431448's digits is 54
• More coming soon!