18131726448

Names of 18131726448

• Cardinal: 18131726448 can be written as Eighteen billion, one hundred thirty-one million, seven hundred twenty-six thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.8131726448 × 10¹⁰

Factors of 18131726448

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 11865

Divisors of 18131726448

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 19 22 24 27 33 34 36 38 44 48 51 54 57 66 68 72 76 88 99 102 108 114 132 136 144 152 153 171 176 187 198 204 209 216 228 264 272 297 304 306 323 342 374 396 408 418 432 456 459 513 528 561 594 612 627 646 684 748 792 816 836 912 918 969 1026 1122 1188 1224 1254 1292 1368 1496 1584 1672 1683 1836 1881 1938 2052 2244 2376 2448 2508 2584 2736 2907 2992 3344 3366 3553 3672 3762 3876 4104 4488 4752 5016 5049 5168 5643 5814 6732 7106 7344 7524 7752 8208 8721 8976 10032 10098 10659 11286 11628 11813 13464 14212 15048 15504 17442 20196 21318 22572 23256 23626 26928 28424 30096 31977 34884 35439 40392 42636 45144 46512 47252 56848 63954 69768 70878 80784 85272 90288 94504 95931 106317 127908 129943 139536 141756 170544 189008 191862 200821 212634 224447 255816 259886 283512 318951 383724 389829 401642 425268 448894 511632 519772 567024 602463 637902 673341 767448 779658 803284 850536 897788 1039544 1169487 1204926 1275804 1346682 1534896 1559316 1606568 1701072 1795576 1807389 2020023 2079088 2209031 2338974 2409852 2468917 2551608 2693364 3118632 3213136 3508461 3591152 3614778 3815599 4040046 4418062 4677948 4819704 4937834 5103216 5386728 5422167 6060069 6237264 6627093 7016922 7229556 7406751 7631198 8080092 8836124 9355896 9639408 9875668 10773456 10844334 11446797 12120138 13254186 14033844 14459112 14813502 15262396 16160184 17672248 18711792 19751336 19881279 21688668 22220253 22893594 24240276 26508372 28067688 28918224 29627004 30524792 32320368 34340391 35344496 39502672 39762558 41971589 43377336 44440506 45787188 48480552 53016744 56135376 59254008 59643837 61049584 66660759 68680782 79525116 83943178 86754672 88881012 91574376 96961104 103021173 106033488 118508016 119287674 125914767 133321518 137361564 159050232 167886356 177762024 183148752 206042346 238575348 251829534 266643036 274723128 318100464 335772712 355524048 377744301 412084692 477150696 503659068 533286072 549446256 671545424 755488602 824169384 954301392 1007318136 1066572144 1133232903 1510977204 1648338768 2014636272 2266465806 3021954408 4532931612 6043908816 9065863224 18131726448
• Sum of all divisors σ(n): 63285235200
• Sum of proper divisors (its aliquot sum) s(n): 45153508752
• 18131726448 is an abundant number, because the sum of its proper divisors (45153508752) is greater than itself. Its abundance is 27021782304

Bases of 18131726448

• Binary: 10000111000101111000011000001110000₂
• Hexadecimal: 0x438BC3070
• Base-36: 8BV5TO0

Squares and roots of 18131726448

• 18131726448 squared (18131726448²) is 328759503985102696704
• 18131726448 cubed (18131726448³) is 5960977393438047963824039227392
• The square root of 18131726448 is 134654.0992617751
• The cube root of 18131726448 is 2627.1188430517

Scales and comparisons

• 18,131,726,448 seconds is equal to 576 years, 27 weeks, 4 days, 22 hours, 40 minutes, 48 seconds.
• To count from 1 to 18,131,726,448 would take you about one thousand, one hundred fifty-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 18131726448 cubic inches would be around 218.9 feet tall.

Recreational maths with 18131726448

• 18131726448 backwards is 84462713181
• The number of decimal digits it has is: 11
• The sum of 18131726448's digits is 45
• More coming soon!