18534313728

Names of 18534313728

• Cardinal: 18534313728 can be written as Eighteen billion, five hundred thirty-four million, three hundred thirteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8534313728 × 10¹⁰

Factors of 18534313728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1416

Divisors of 18534313728

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 31 32 36 42 48 54 56 62 63 64 72 81 84 93 96 108 112 124 126 128 144 162 168 186 189 192 216 217 224 243 248 252 256 279 288 324 336 372 378 384 432 434 448 486 496 504 558 567 576 648 651 672 744 756 768 837 864 868 896 972 992 1008 1116 1134 1152 1296 1302 1344 1373 1488 1512 1674 1701 1728 1736 1792 1944 1953 1984 2016 2232 2268 2304 2511 2592 2604 2688 2746 2976 3024 3348 3402 3456 3472 3888 3906 3968 4032 4119 4464 4536 5022 5184 5208 5376 5492 5859 5952 6048 6696 6804 6912 6944 7533 7776 7812 7936 8064 8238 8928 9072 9611 10044 10368 10416 10984 11718 11904 12096 12357 13392 13608 13888 15066 15552 15624 16128 16476 17577 17856 18144 19222 20088 20736 20832 21968 23436 23808 24192 24714 26784 27216 27776 28833 30132 31104 31248 32952 35154 35712 36288 37071 38444 40176 41664 42563 43936 46872 48384 49428 52731 53568 54432 55552 57666 60264 62208 62496 65904 70308 71424 72576 74142 76888 80352 83328 85126 86499 87872 93744 98856 105462 107136 108864 111213 115332 120528 124992 127689 131808 140616 145152 148284 153776 160704 166656 170252 172998 175744 187488 197712 210924 214272 217728 222426 230664 241056 249984 255378 259497 263616 281232 296568 297941 307552 321408 333639 340504 345996 351488 374976 383067 395424 421848 435456 444852 461328 482112 499968 510756 518994 527232 562464 593136 595882 615104 642816 667278 681008 691992 749952 766134 778491 790848 843696 889704 893823 922656 964224 1021512 1037988 1054464 1124928 1149201 1186272 1191764 1230208 1334556 1362016 1383984 1499904 1532268 1556982 1581696 1687392 1779408 1787646 1845312 1928448 2043024 2075976 2249856 2298402 2335473 2372544 2383528 2460416 2669112 2681469 2724032 2767968 3064536 3113964 3163392 3374784 3447603 3558816 3575292 3690624 4086048 4151952 4499712 4596804 4670946 4745088 4767056 5338224 5362938 5448064 5535936 6129072 6227928 6749568 6895206 7117632 7150584 7381248 8044407 8172096 8303904 9193608 9341892 9490176 9534112 10342809 10676448 10725876 10896128 11071872 12258144 12455856 13499136 13790412 14235264 14301168 16088814 16344192 16607808 18387216 18683784 19068224 20685618 21352896 21451752 22143744 24133221 24516288 24911712 27580824 28470528 28602336 32177628 32688384 33215616 36774432 37367568 38136448 41371236 42705792 42903504 48266442 49032576 49823424 55161648 57204672 64355256 66431232 72399663 73548864 74735136 76272896 82742472 85411584 85807008 96532884 98065152 99646848 110323296 114409344 128710512 144799326 147097728 149470272 165484944 171614016 193065768 199293696 220646592 228818688 257421024 289598652 294195456 298940544 330969888 343228032 386131536 441293184 514842048 579197304 597881088 661939776 686456064 772263072 882586368 1029684096 1158394608 1323879552 1544526144 2059368192 2316789216 2647759104 3089052288 4633578432 6178104576 9267156864 18534313728
• Sum of all divisors σ(n): 65425790976
• Sum of proper divisors (its aliquot sum) s(n): 46891477248
• 18534313728 is an abundant number, because the sum of its proper divisors (46891477248) is greater than itself. Its abundance is 28357163520

Bases of 18534313728

• Binary: 10001010000101110110010111100000000₂
• Hexadecimal: 0x450BB2F00
• Base-36: 8IIUO00

Squares and roots of 18534313728

• 18534313728 squared (18534313728²) is 343520785367929257984
• 18534313728 cubed (18534313728³) is 6366922008098152777185704804352
• The square root of 18534313728 is 136140.7864234667
• The cube root of 18534313728 is 2646.4204061519

Scales and comparisons

• 18,534,313,728 seconds is equal to 589 years, 17 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,534,313,728 would take you about one thousand, one hundred seventy-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 18534313728 cubic inches would be around 220.5 feet tall.

Recreational maths with 18534313728

• 18534313728 backwards is 82731343581
• The number of decimal digits it has is: 11
• The sum of 18534313728's digits is 45
• More coming soon!