18157016448

Names of 18157016448

• Cardinal: 18157016448 can be written as Eighteen billion, one hundred fifty-seven million, sixteen thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.8157016448 × 10¹⁰

Factors of 18157016448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 270

Divisors of 18157016448

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 53 62 64 72 93 96 106 124 128 144 159 181 186 192 212 248 279 288 318 362 372 384 424 477 496 543 558 576 636 724 744 848 954 992 1086 1116 1152 1272 1448 1488 1629 1643 1696 1908 1984 2172 2232 2544 2809 2896 2976 3258 3286 3392 3816 3968 4344 4464 4929 5088 5611 5618 5792 5952 6516 6572 6784 7632 8427 8688 8928 9593 9858 10176 11222 11236 11584 11904 13032 13144 14787 15264 16833 16854 17376 17856 19186 19716 20352 22444 22472 23168 25281 26064 26288 28779 29574 30528 33666 33708 34752 35712 38372 39432 44888 44944 50499 50562 52128 52576 57558 59148 61056 67332 67416 69504 76744 78864 86337 87079 89776 89888 100998 101124 104256 105152 115116 118296 134664 134832 153488 157728 172674 174158 179552 179776 201996 202248 208512 210304 230232 236592 261237 269328 269664 297383 306976 315456 345348 348316 359104 359552 403992 404496 460464 473184 508429 522474 538656 539328 594766 613952 630912 690696 696632 718208 783711 807984 808992 892149 920928 946368 1016858 1044948 1077312 1078656 1189532 1227904 1381392 1393264 1525287 1567422 1615968 1617984 1784298 1841856 1892736 2033716 2089896 2154624 2379064 2676447 2762784 2786528 3050574 3134844 3231936 3235968 3568596 3683712 4067432 4179792 4575861 4758128 5352894 5525568 5573056 6101148 6269688 6463872 7137192 8134864 8359584 9151722 9516256 10705788 11051136 11146112 12202296 12539376 14274384 15761299 16269728 16719168 18303444 19032512 21411576 24404592 25078752 28548768 31522598 32539456 33438336 36606888 38065024 42823152 47283897 48809184 50157504 57097536 63045196 65078912 73213776 85646304 94567794 97618368 100315008 114195072 126090392 141851691 146427552 171292608 189135588 195236736 252180784 283703382 292855104 342585216 378271176 504361568 567406764 585710208 756542352 1008723136 1134813528 1513084704 2017446272 2269627056 3026169408 4539254112 6052338816 9078508224 18157016448
• Sum of all divisors σ(n): 55274681280
• Sum of proper divisors (its aliquot sum) s(n): 37117664832
• 18157016448 is an abundant number, because the sum of its proper divisors (37117664832) is greater than itself. Its abundance is 18960648384

Bases of 18157016448

• Binary: 10000111010001111100001010110000000₂
• Hexadecimal: 0x43A3E1580
• Base-36: 8CA7VK0

Squares and roots of 18157016448

• 18157016448 squared (18157016448²) is 329677246292942536704
• 18157016448 cubed (18157016448³) is 5985955183472304665253371707392
• The square root of 18157016448 is 134747.9738177907
• The cube root of 18157016448 is 2628.3397043545

Scales and comparisons

• 18,157,016,448 seconds is equal to 577 years, 17 weeks, 3 days, 15 hours, 40 minutes, 48 seconds.
• To count from 1 to 18,157,016,448 would take you about one thousand, one hundred fifty-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 18157016448 cubic inches would be around 219 feet tall.

Recreational maths with 18157016448

• 18157016448 backwards is 84461075181
• The number of decimal digits it has is: 11
• The sum of 18157016448's digits is 45
• More coming soon!