18011397888

Names of 18011397888

• Cardinal: 18011397888 can be written as Eighteen billion, eleven million, three hundred ninety-seven thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8011397888 × 10¹⁰

Factors of 18011397888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 92

Divisors of 18011397888

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 23 24 32 33 36 44 46 48 53 64 66 69 72 88 92 96 99 106 121 128 132 138 144 159 176 184 192 198 207 212 242 253 256 264 276 288 318 352 363 368 384 396 414 424 477 484 506 528 552 576 583 636 704 726 736 759 768 792 828 848 954 968 1012 1056 1089 1104 1152 1166 1219 1272 1408 1452 1472 1518 1584 1656 1696 1749 1908 1936 2024 2112 2178 2208 2277 2304 2332 2438 2544 2783 2809 2816 2904 2944 3036 3168 3312 3392 3498 3657 3816 3872 4048 4224 4356 4416 4554 4664 4876 5088 5247 5566 5618 5808 5888 6072 6336 6413 6624 6784 6996 7314 7632 7744 8096 8349 8427 8448 8712 8832 9108 9328 9752 10176 10494 10971 11132 11236 11616 12144 12672 12826 13248 13409 13568 13992 14628 15264 15488 16192 16698 16854 17424 17664 18216 18656 19239 19504 20352 20988 21942 22264 22472 23232 24288 25047 25281 25344 25652 26496 26818 27984 29256 30528 30899 30976 32384 33396 33708 34848 36432 37312 38478 39008 40227 40704 41976 43884 44528 44944 46464 48576 50094 50562 51304 52992 53636 55968 57717 58512 61056 61798 64607 64768 66792 67416 69696 72864 74624 76956 78016 80454 83952 87768 89056 89888 92697 92928 97152 100188 101124 102608 107272 111936 115434 117024 120681 122112 123596 129214 133584 134832 139392 145728 147499 149248 153912 156032 160908 167904 175536 178112 179776 185394 193821 194304 200376 202248 205216 214544 223872 230868 234048 241362 247192 258428 267168 269664 278091 278784 291456 294998 307824 312064 321816 335808 339889 351072 356224 359552 370788 387642 400752 404496 410432 429088 442497 447744 461736 468096 482724 494384 516856 534336 539328 556182 581463 582912 589996 615648 643632 671616 679778 702144 710677 712448 719104 741576 775284 801504 808992 820864 858176 884994 923472 936192 965448 988768 1019667 1033712 1068672 1078656 1112364 1162926 1179992 1231296 1287264 1327491 1343232 1359556 1404288 1421354 1483152 1550568 1603008 1617984 1641728 1716352 1769988 1846944 1930896 1977536 2039334 2067424 2132031 2137344 2157312 2224728 2325852 2359984 2462592 2574528 2654982 2719112 2808576 2842708 2966304 3059001 3101136 3206016 3235968 3432704 3539976 3693888 3861792 3955072 4078668 4134848 4264062 4449456 4651704 4719968 4925184 5149056 5309964 5438224 5685416 5932608 6118002 6202272 6396093 6412032 6471936 7079952 7387776 7723584 7817447 7910144 8157336 8269696 8528124 8898912 9303408 9439936 10298112 10619928 10876448 11370832 11865216 12236004 12404544 12792186 14159904 14775552 15447168 15634894 16314672 16539392 17056248 17797824 18606816 18879872 21239856 21752896 22741664 23452341 23730432 24472008 24809088 25584372 28319808 30894336 31269788 32629344 34112496 35595648 37213632 37759744 42479712 43505792 45483328 46904682 48944016 49618176 51168744 56639616 62539576 65258688 68224992 70357023 71191296 74427264 84959424 87011584 90966656 93809364 97888032 102337488 113279232 125079152 130517376 136449984 140714046 148854528 169918848 181933312 187618728 195776064 204674976 250158304 261034752 272899968 281428092 339837696 375237456 391552128 409349952 500316608 545799936 562856184 750474912 783104256 818699904 1000633216 1125712368 1500949824 1637399808 2001266432 2251424736 3001899648 4502849472 6003799296 9005698944 18011397888
• Sum of all divisors σ(n): 60708357528
• Sum of proper divisors (its aliquot sum) s(n): 42696959640
• 18011397888 is an abundant number, because the sum of its proper divisors (42696959640) is greater than itself. Its abundance is 24685561752

Bases of 18011397888

• Binary: 10000110001100100000001111100000000₂
• Hexadecimal: 0x431901F00
• Base-36: 89VIRK0

Squares and roots of 18011397888

• 18011397888 squared (18011397888²) is 324410453879850860544
• 18011397888 cubed (18011397888³) is 5843085763856667195357184131072
• The square root of 18011397888 is 134206.5493483831
• The cube root of 18011397888 is 2621.2944426199

Scales and comparisons

• 18,011,397,888 seconds is equal to 572 years, 36 weeks, 5 days, 6 hours, 4 minutes, 48 seconds.
• To count from 1 to 18,011,397,888 would take you about one thousand, one hundred forty-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 18011397888 cubic inches would be around 218.4 feet tall.

Recreational maths with 18011397888

• 18011397888 backwards is 88879311081
• The number of decimal digits it has is: 11
• The sum of 18011397888's digits is 54
• More coming soon!