18689348328

Names of 18689348328

• Cardinal: 18689348328 can be written as Eighteen billion, six hundred eighty-nine million, three hundred forty-eight thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8689348328 × 10¹⁰

Factors of 18689348328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 362

Divisors of 18689348328

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 49 56 57 76 84 98 114 133 147 152 168 196 228 266 294 331 343 361 392 399 456 532 588 662 686 722 798 931 993 1029 1064 1083 1176 1324 1372 1444 1596 1862 1986 2058 2166 2317 2527 2648 2744 2793 2888 3192 3724 3972 4116 4332 4634 5054 5586 6289 6517 6859 6951 7448 7581 7944 8232 8664 9268 10108 11172 12578 13034 13718 13902 15162 16219 17689 18536 18867 19551 20216 20577 22344 25156 26068 27436 27804 30324 32438 35378 37734 39102 41154 44023 48013 48657 50312 52136 53067 54872 55608 60648 64876 70756 75468 78204 82308 88046 96026 97314 106134 113533 119491 123823 129752 132069 141512 144039 150936 156408 164616 176092 192052 194628 212268 227066 238982 247646 264138 288078 308161 336091 340599 352184 358473 371469 384104 389256 424536 454132 477964 495292 528276 576156 616322 672182 681198 716946 742938 836437 908264 924483 955928 990584 1008273 1056552 1152312 1232644 1344364 1362396 1433892 1485876 1672874 1848966 2016546 2157127 2270329 2352637 2465288 2509311 2688728 2724792 2867784 2971752 3345748 3697932 4033092 4314254 4540658 4705274 5018622 5855059 6471381 6691496 6810987 7057911 7395864 8066184 8628508 9081316 9410548 10037244 11710118 12942762 13621974 14115822 15892303 17257016 17565177 18162632 18821096 20074488 23420236 25885524 27243948 28231644 31784606 35130354 40985413 46840472 47676909 51771048 54487896 56463288 63569212 70260708 81970826 95353818 111246121 122956239 127138424 140521416 163941652 190707636 222492242 245912478 327883304 333738363 381415272 444984484 491824956 667476726 778722847 889968968 983649912 1334953452 1557445694 2336168541 2669906904 3114891388 4672337082 6229782776 9344674164 18689348328
• Sum of all divisors σ(n): 57688320000
• Sum of proper divisors (its aliquot sum) s(n): 38998971672
• 18689348328 is an abundant number, because the sum of its proper divisors (38998971672) is greater than itself. Its abundance is 20309623344

Bases of 18689348328

• Binary: 10001011001111110001101001011101000₂
• Hexadecimal: 0x459F8D2E8
• Base-36: 8L35LGO

Squares and roots of 18689348328

• 18689348328 squared (18689348328²) is 349291740925316395584
• 18689348328 cubed (18689348328³) is 6528035014246771150678816983552
• The square root of 18689348328 is 136708.9913941287
• The cube root of 18689348328 is 2653.7787945273

Scales and comparisons

• 18,689,348,328 seconds is equal to 594 years, 13 weeks, 4 days, 21 hours, 38 minutes, 48 seconds.
• To count from 1 to 18,689,348,328 would take you about one thousand, one hundred eighty-eight 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 18689348328 cubic inches would be around 221.1 feet tall.

Recreational maths with 18689348328

• 18689348328 backwards is 82384398681
• The number of decimal digits it has is: 11
• The sum of 18689348328's digits is 60
• More coming soon!