18322681728

Names of 18322681728

• Cardinal: 18322681728 can be written as Eighteen billion, three hundred twenty-two million, six hundred eighty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8322681728 × 10¹⁰

Factors of 18322681728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3105

Divisors of 18322681728

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 23 24 26 32 39 46 48 52 53 64 69 78 92 96 104 106 128 138 156 159 184 192 208 212 276 299 312 318 368 384 416 424 552 598 624 636 689 736 832 848 897 1104 1196 1219 1248 1272 1378 1472 1664 1696 1794 2067 2208 2392 2438 2496 2544 2756 2944 3011 3392 3588 3657 4134 4416 4784 4876 4992 5088 5512 6022 6784 7176 7314 8268 8832 9033 9568 9752 10176 11024 12044 14352 14628 15847 16536 18066 19136 19504 20352 22048 24088 28704 29256 31694 33072 36132 38272 39008 39143 44096 47541 48176 57408 58512 63388 66144 69253 72264 78016 78286 88192 95082 96352 114816 117024 117429 126776 132288 138506 144528 156032 156572 159583 190164 192704 207759 234048 234858 253552 264576 277012 289056 313144 319166 380328 385408 415518 468096 469716 478749 507104 554024 578112 626288 638332 760656 831036 900289 939432 957498 1014208 1108048 1156224 1252576 1276664 1521312 1662072 1800578 1878864 1914996 2028416 2074579 2216096 2505152 2553328 2700867 3042624 3324144 3601156 3670409 3757728 3829992 4149158 4432192 5010304 5106656 5401734 6085248 6223737 6648288 7202312 7340818 7515456 7659984 8298316 8864384 10213312 10803468 11011227 12447474 13296576 14404624 14681636 15030912 15319968 16596632 20426624 21606936 22022454 24894948 26593152 28809248 29363272 30639936 33193264 43213872 44044908 47715317 49789896 57618496 58726544 61279872 66386528 86427744 88089816 95430634 99579792 115236992 117453088 132773056 143145951 172855488 176179632 190861268 199159584 234906176 265546112 286291902 345710976 352359264 381722536 398319168 469812352 572583804 704718528 763445072 796638336 1145167608 1409437056 1526890144 2290335216 3053780288 4580670432 6107560576 9161340864 18322681728
• Sum of all divisors σ(n): 55742722560
• Sum of proper divisors (its aliquot sum) s(n): 37420040832
• 18322681728 is an abundant number, because the sum of its proper divisors (37420040832) is greater than itself. Its abundance is 19097359104

Bases of 18322681728

• Binary: 10001000100000111011110111110000000₂
• Hexadecimal: 0x4441DEF80
• Base-36: 8F0UNPC

Squares and roots of 18322681728

• 18322681728 squared (18322681728²) is 335720665705585065984
• 18322681728 cubed (18322681728³) is 6151302907235719716054711140352
• The square root of 18322681728 is 135361.3007029705
• The cube root of 18322681728 is 2636.3092043663

Scales and comparisons

• 18,322,681,728 seconds is equal to 582 years, 31 weeks, 3 days, 1 hour, 48 minutes, 48 seconds.
• To count from 1 to 18,322,681,728 would take you about one thousand, one hundred sixty-five 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 18322681728 cubic inches would be around 219.7 feet tall.

Recreational maths with 18322681728

• 18322681728 backwards is 82718622381
• 18322681728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18322681728's digits is 48
• More coming soon!