18197346816

Names of 18197346816

• Cardinal: 18197346816 can be written as Eighteen billion, one hundred ninety-seven million, three hundred forty-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8197346816 × 10¹⁰

Factors of 18197346816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 82

Divisors of 18197346816

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 23 24 27 32 33 36 43 44 46 48 54 64 66 69 72 86 88 92 96 99 108 121 128 129 132 138 144 172 176 184 192 198 207 216 242 253 256 258 264 276 288 297 344 352 363 368 384 387 396 414 432 473 484 506 512 516 528 552 576 594 621 688 704 726 736 759 768 774 792 828 864 946 968 989 1012 1032 1056 1089 1104 1152 1161 1188 1242 1331 1376 1408 1419 1452 1472 1518 1536 1548 1584 1656 1728 1892 1936 1978 2024 2064 2112 2178 2208 2277 2304 2322 2376 2484 2662 2752 2783 2816 2838 2904 2944 2967 3036 3096 3168 3267 3312 3456 3784 3872 3956 3993 4048 4128 4224 4257 4356 4416 4554 4608 4644 4752 4968 5203 5324 5504 5566 5632 5676 5808 5888 5934 6072 6192 6336 6534 6624 6831 6912 7568 7744 7912 7986 8096 8256 8349 8448 8514 8712 8832 8901 9108 9288 9504 9936 10406 10648 10879 11008 11132 11352 11616 11776 11868 11979 12144 12384 12672 12771 13068 13248 13662 13824 15136 15488 15609 15824 15972 16192 16512 16698 16896 17028 17424 17664 17802 18216 18576 19008 19872 20812 21296 21758 22016 22264 22704 23232 23736 23958 24288 24768 25047 25344 25542 26136 26496 26703 27324 30272 30613 30976 31218 31648 31944 32384 32637 33024 33396 34056 34848 35328 35604 35937 36432 37152 38016 39744 41624 42592 43516 44528 45408 46464 46827 47472 47916 48576 49536 50094 50688 51084 52272 52992 53406 54648 57233 60544 61226 61952 62436 63296 63888 64768 65274 66048 66792 68112 69696 71208 71874 72864 74304 75141 76032 79488 83248 85184 87032 89056 90816 91839 92928 93654 94944 95832 97152 97911 99072 100188 102168 104544 105984 106812 109296 114466 119669 121088 122452 124872 126592 127776 129536 130548 133584 136224 139392 140481 142416 143748 145728 148608 150282 152064 158976 166496 170368 171699 174064 178112 181632 183678 185856 187308 189888 191664 194304 195822 198144 200376 204336 209088 213624 218592 228932 239338 242176 244904 249744 253184 255552 261096 267168 272448 275517 278784 280962 284832 287496 291456 293733 297216 300564 317952 332992 340736 343398 348128 356224 359007 363264 367356 374616 379776 383328 388608 391644 400752 408672 418176 427248 437184 457864 478676 489808 499488 506368 511104 515097 522192 534336 544896 551034 557568 561924 569664 574992 582912 587466 594432 601128 665984 681472 686796 696256 712448 718014 726528 734712 749232 759552 766656 783288 801504 817344 826551 836352 854496 874368 915728 957352 979616 998976 1022208 1030194 1044384 1068672 1077021 1089792 1102068 1123848 1139328 1149984 1165824 1174932 1202256 1316359 1331968 1373592 1392512 1424896 1436028 1469424 1498464 1519104 1533312 1545291 1566576 1603008 1634688 1653102 1672704 1708992 1748736 1831456 1914704 1959232 1997952 2044416 2060388 2088768 2137344 2154042 2179584 2204136 2247696 2278656 2299968 2349864 2404512 2632718 2663936 2747184 2785024 2872056 2938848 2996928 3066624 3090582 3133152 3206016 3231063 3269376 3306204 3417984 3497472 3662912 3829408 3918464 3949077 3995904 4120776 4177536 4274688 4308084 4408272 4495392 4557312 4599936 4699728 4809024 5265436 5494368 5570048 5744112 5877696 5993856 6133248 6181164 6266304 6412032 6462126 6538752 6612408 6835968 7325824 7658816 7836928 7898154 7991808 8241552 8355072 8616168 8816544 8990784 9199872 9399456 9618048 10530872 10988736 11488224 11755392 11847231 11987712 12362328 12532608 12824064 12924252 13224816 13671936 14651648 15317632 15673856 15796308 16483104 16710144 17232336 17633088 17981568 18399744 18798912 19236096 21061744 21977472 22976448 23510784 23694462 23975424 24724656 25065216 25848504 26449632 29303296 30635264 31592616 32966208 34464672 35266176 35541693 35963136 37597824 38472192 42123488 43954944 45952896 47021568 47388924 49449312 50130432 51697008 52899264 61270528 63185232 65932416 68929344 70532352 71083386 71926272 75195648 84246976 87909888 91905792 94777848 98898624 103394016 105798528 126370464 131864832 137858688 141064704 142166772 150391296 168493952 183811584 189555696 197797248 206788032 211597056 252740928 263729664 275717376 284333544 336987904 379111392 395594496 413576064 423194112 505481856 551434752 568667088 673975808 758222784 791188992 827152128 1010963712 1137334176 1516445568 1654304256 2021927424 2274668352 3032891136 4549336704 6065782272 9098673408 18197346816
• Sum of all divisors σ(n): 63261665280
• Sum of proper divisors (its aliquot sum) s(n): 45064318464
• 18197346816 is an abundant number, because the sum of its proper divisors (45064318464) is greater than itself. Its abundance is 26866971648

Bases of 18197346816

• Binary: 10000111100101001010111101000000000₂
• Hexadecimal: 0x43CA57A00
• Base-36: 8CY8AO0

Squares and roots of 18197346816

• 18197346816 squared (18197346816²) is 331143431141785337856
• 18197346816 cubed (18197346816³) is 6025931862327282662389365866496
• The square root of 18197346816 is 134897.5419197845
• The cube root of 18197346816 is 2630.2842881593

Scales and comparisons

• 18,197,346,816 seconds is equal to 578 years, 32 weeks, 1 day, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 18,197,346,816 would take you about one thousand, one hundred fifty-seven 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 18197346816 cubic inches would be around 219.2 feet tall.

Recreational maths with 18197346816

• 18197346816 backwards is 61864379181
• 18197346816 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18197346816's digits is 54
• More coming soon!