18968898816

Names of 18968898816

• Cardinal: 18968898816 can be written as Eighteen billion, nine hundred sixty-eight million, eight hundred ninety-eight thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8968898816 × 10¹⁰

Factors of 18968898816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 139

Divisors of 18968898816

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 127 128 144 147 162 168 189 192 196 216 224 243 252 254 256 288 294 324 336 343 378 381 384 392 432 441 448 486 504 508 567 576 588 648 672 686 756 762 768 784 864 882 889 896 972 1008 1016 1029 1134 1143 1152 1176 1296 1323 1344 1372 1512 1524 1568 1701 1728 1764 1778 1792 1944 2016 2032 2058 2268 2286 2304 2352 2401 2592 2646 2667 2688 2744 3024 3048 3087 3136 3402 3429 3456 3528 3556 3888 3969 4032 4064 4116 4536 4572 4704 4802 5184 5292 5334 5376 5488 6048 6096 6174 6223 6272 6804 6858 6912 7056 7112 7203 7776 7938 8001 8064 8128 8232 9072 9144 9261 9408 9604 10287 10368 10584 10668 10976 11907 12096 12192 12348 12446 12544 13608 13716 14112 14224 14406 15552 15876 16002 16128 16256 16464 18144 18288 18522 18669 18816 19208 20574 20736 21168 21336 21609 21952 23814 24003 24192 24384 24696 24892 27216 27432 27783 28224 28448 28812 30861 31104 31752 32004 32512 32928 36288 36576 37044 37338 37632 38416 41148 42336 42672 43218 43561 43904 47628 48006 48384 48768 49392 49784 54432 54864 55566 56007 56448 56896 57624 61722 62208 63504 64008 64827 65856 72009 72576 73152 74088 74676 76832 82296 83349 84672 85344 86436 87122 87808 95256 96012 97536 98784 99568 108864 109728 111132 112014 112896 113792 115248 123444 127008 128016 129654 130683 131712 144018 145152 146304 148176 149352 153664 164592 166698 168021 169344 170688 172872 174244 190512 192024 194481 197568 199136 216027 217728 219456 222264 224028 227584 230496 246888 254016 256032 259308 261366 263424 288036 292608 296352 298704 304927 307328 329184 333396 336042 338688 341376 345744 348488 381024 384048 388962 392049 395136 398272 432054 435456 438912 444528 448056 460992 493776 504063 508032 512064 518616 522732 576072 583443 592704 597408 609854 614656 658368 666792 672084 682752 691488 696976 762048 768096 777924 784098 790272 796544 864108 877824 889056 896112 914781 921984 987552 1008126 1016064 1024128 1037232 1045464 1152144 1166886 1176147 1185408 1194816 1219708 1316736 1333584 1344168 1382976 1393952 1512189 1524096 1536192 1555848 1568196 1593088 1728216 1778112 1792224 1829562 1843968 1975104 2016252 2048256 2074464 2090928 2304288 2333772 2352294 2370816 2389632 2439416 2633472 2667168 2688336 2744343 2765952 2787904 3024378 3048192 3072384 3111696 3136392 3456432 3528441 3556224 3584448 3659124 3950208 4032504 4148928 4181856 4608576 4667544 4704588 4779264 4878832 5334336 5376672 5488686 5531904 5575808 6048756 6144768 6223392 6272784 6912864 7056882 7112448 7168896 7318248 7900416 8065008 8233029 8297856 8363712 9217152 9335088 9409176 9757664 10585323 10668672 10753344 10977372 11151616 12097512 12446784 12545568 13825728 14113764 14337792 14636496 16130016 16466058 16595712 16727424 18434304 18670176 18818352 19515328 21170646 21337344 21506688 21954744 24195024 24699087 24893568 25091136 27651456 28227528 29272992 32260032 32932116 33454848 37340352 37636704 39030656 42341292 43013376 43909488 48390048 49398174 49787136 50182272 55302912 56455056 58545984 64520064 65864232 74097261 74680704 75273408 78061312 84682584 87818976 96780096 98796348 100364544 112910112 117091968 129040128 131728464 148194522 149361408 150546816 169365168 175637952 193560192 197592696 225820224 234183936 263456928 296389044 301093632 338730336 351275904 387120384 395185392 451640448 526913856 592778088 677460672 702551808 790370784 903280896 1053827712 1185556176 1354921344 1580741568 2107655424 2371112352 2709842688 3161483136 4742224704 6322966272 9484449408 18968898816
• Sum of all divisors σ(n): 66687642112
• Sum of proper divisors (its aliquot sum) s(n): 47718743296
• 18968898816 is an abundant number, because the sum of its proper divisors (47718743296) is greater than itself. Its abundance is 28749844480

Bases of 18968898816

• Binary: 10001101010101000100110110100000000₂
• Hexadecimal: 0x46AA26D00
• Base-36: 8PPLC00

Squares and roots of 18968898816

• 18968898816 squared (18968898816²) is 359819122291646201856
• 18968898816 cubed (18968898816³) is 6825372522812166845077175402496
• The square root of 18968898816 is 137727.6254641747
• The cube root of 18968898816 is 2666.9448807507

Scales and comparisons

• 18,968,898,816 seconds is equal to 603 years, 7 weeks, 6 days, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 18,968,898,816 would take you about one thousand, two hundred six 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 18968898816 cubic inches would be around 222.2 feet tall.

Recreational maths with 18968898816

• 18968898816 backwards is 61889886981
• 18968898816 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18968898816's digits is 72
• More coming soon!