18221210328

Names of 18221210328

• Cardinal: 18221210328 can be written as Eighteen billion, two hundred twenty-one million, two hundred ten thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8221210328 × 10¹⁰

Factors of 18221210328

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 635

Divisors of 18221210328

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 23 24 37 46 69 74 79 92 111 138 148 158 184 222 237 276 296 316 444 474 491 529 552 632 851 888 948 982 1058 1473 1587 1702 1817 1896 1964 2116 2553 2923 2946 3174 3404 3634 3928 4232 5106 5451 5846 5892 6348 6808 7268 8769 10212 10902 11293 11692 11784 12696 14536 17538 18167 19573 20424 21804 22586 23384 33879 35076 36334 38789 39146 41791 43608 45172 54501 58719 67229 67758 70152 72668 77578 78292 83582 90344 109002 116367 117438 125373 134458 135516 145336 155156 156584 167164 201687 218004 232734 234876 250746 259739 268916 271032 310312 334328 403374 417841 436008 465468 469752 501492 519478 537832 779217 806748 835682 892147 930936 1002984 1038956 1253523 1435193 1546267 1558434 1613496 1671364 1784294 2077912 2507046 2676441 2870386 3092534 3116868 3342728 3568588 4305579 4638801 5014092 5352882 5740772 6185068 6233736 7137176 8611158 9277602 9610343 10028184 10705764 11481544 12370136 17222316 18555204 19220686 20519381 21411528 28831029 33009439 34444632 37110408 38441372 41038762 57662058 61558143 66018878 76882744 82077524 99028317 115324116 123116286 132037756 164155048 198056634 230648232 246232572 264075512 396113268 492465144 759217097 792226536 1518434194 2277651291 3036868388 4555302582 6073736776 9110605164 18221210328
• Sum of all divisors σ(n): 49626662400
• Sum of proper divisors (its aliquot sum) s(n): 31405452072
• 18221210328 is an abundant number, because the sum of its proper divisors (31405452072) is greater than itself. Its abundance is 13184241744

Bases of 18221210328

• Binary: 10000111110000100011001101011011000₂
• Hexadecimal: 0x43E119AD8
• Base-36: 8DCFRVC

Squares and roots of 18221210328

• 18221210328 squared (18221210328²) is 332012505817213867584
• 18221210328 cubed (18221210328³) is 6049669700021777404206405207552
• The square root of 18221210328 is 134985.9634480563
• The cube root of 18221210328 is 2631.4335473331

Scales and comparisons

• 18,221,210,328 seconds is equal to 579 years, 19 weeks, 4 days, 15 hours, 18 minutes, 48 seconds.
• To count from 1 to 18,221,210,328 would take you about one thousand, one hundred fifty-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 18221210328 cubic inches would be around 219.3 feet tall.

Recreational maths with 18221210328

• 18221210328 backwards is 82301212281
• The number of decimal digits it has is: 11
• The sum of 18221210328's digits is 30
• More coming soon!