18227486720

Names of 18227486720

• Cardinal: 18227486720 can be written as Eighteen billion, two hundred twenty-seven million, four hundred eighty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.822748672 × 10¹⁰

Factors of 18227486720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 260

Divisors of 18227486720

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 43 64 79 80 86 128 131 158 160 172 215 256 262 316 320 344 395 430 512 524 632 640 655 688 790 860 1024 1048 1264 1280 1310 1376 1580 1720 2048 2096 2528 2560 2620 2752 3160 3397 3440 4096 4192 5056 5120 5240 5504 5633 6320 6794 6880 8192 8384 10112 10240 10349 10480 11008 11266 12640 13588 13760 16768 16985 20224 20480 20698 20960 22016 22532 25280 27176 27520 28165 33536 33970 40448 40960 41396 41920 44032 45064 50560 51745 54352 55040 56330 67072 67940 80896 82792 83840 88064 90128 101120 103490 108704 110080 112660 134144 135880 161792 165584 167680 176128 180256 202240 206980 217408 220160 225320 268288 271760 323584 331168 335360 352256 360512 404480 413960 434816 440320 445007 450640 536576 543520 647168 662336 670720 721024 808960 827920 869632 880640 890014 901280 1073152 1087040 1324672 1341440 1442048 1617920 1655840 1739264 1761280 1780028 1802560 2174080 2225035 2649344 2682880 2884096 3235840 3311680 3478528 3560056 3605120 4348160 4450070 5298688 5365760 5768192 6623360 6957056 7120112 7210240 8696320 8900140 10597376 11536384 13246720 13914112 14240224 14420480 17392640 17800280 21194752 23072768 26493440 27828224 28480448 28840960 34785280 35600560 42389504 46145536 52986880 56960896 57681920 69570560 71201120 84779008 105973760 113921792 115363840 139141120 142402240 211947520 227843584 230727680 284804480 423895040 455687168 569608960 911374336 1139217920 1822748672 2278435840 3645497344 4556871680 9113743360 18227486720
• Sum of all divisors σ(n): 45673182720
• Sum of proper divisors (its aliquot sum) s(n): 27445696000
• 18227486720 is an abundant number, because the sum of its proper divisors (27445696000) is greater than itself. Its abundance is 9218209280

Bases of 18227486720

• Binary: 10000111110011100010110000000000000₂
• Hexadecimal: 0x43E716000
• Base-36: 8DG6ARK

Squares and roots of 18227486720

• 18227486720 squared (18227486720²) is 332241272127776358400
• 18227486720 cubed (18227486720³) is 6055923375544949715865960448000
• The square root of 18227486720 is 135009.2097599271
• The cube root of 18227486720 is 2631.7356497037

Scales and comparisons

• 18,227,486,720 seconds is equal to 579 years, 30 weeks, 6 hours, 45 minutes, 20 seconds.
• To count from 1 to 18,227,486,720 would take you about one thousand, one hundred fifty-nine 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 18227486720 cubic inches would be around 219.3 feet tall.

Recreational maths with 18227486720

• 18227486720 backwards is 02768472281
• The number of decimal digits it has is: 11
• The sum of 18227486720's digits is 47
• More coming soon!