18123448005

Names of 18123448005

• Cardinal: 18123448005 can be written as Eighteen billion, one hundred twenty-three million, four hundred forty-eight thousand and five.

Scientific notation

• Scientific notation: 1.8123448005 × 10¹⁰

Factors of 18123448005

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 283

Divisors of 18123448005

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 9 13 15 27 31 39 43 45 61 65 93 117 127 129 135 155 183 195 215 279 305 351 381 387 403 465 549 559 585 635 645 793 837 915 1143 1161 1209 1333 1395 1647 1651 1677 1755 1891 1905 1935 2015 2379 2623 2745 2795 3429 3627 3937 3965 3999 4185 4953 5031 5461 5673 5715 5805 6045 6665 7137 7747 7869 8235 8255 8385 9455 10881 11811 11895 11997 13115 14859 15093 16383 17019 17145 17329 18135 19685 19995 21411 23241 23607 24583 24765 25155 27305 28365 34099 35433 35685 35991 38735 39345 44577 49149 51057 51181 51987 54405 59055 59985 69723 70821 70993 73749 74295 75465 81313 81915 85095 86645 100711 102297 106299 107055 116205 118035 122915 147447 153543 155961 169291 170495 177165 179955 209169 212979 221247 222885 240157 243939 245745 255285 255905 259935 302133 306891 333121 348615 354105 354965 368745 406565 460629 467883 503555 507873 511485 531495 638937 663741 720471 731817 737235 767715 779805 846455 906399 920673 999363 1045845 1057069 1064895 1106235 1200785 1219695 1381887 1510665 1523619 1534455 1665605 1916811 2161413 2195451 2200783 2303145 2339415 2539365 2719197 2998089 3122041 3171207 3194685 3318705 3602355 3659085 4330573 4531995 4570857 4603365 4996815 5285345 6484239 6602349 6909435 7618095 8994267 9366123 9513621 9584055 10326751 10807065 10977255 11003915 12991719 13595985 14990445 15610205 15856035 19807047 21652865 22854285 28098369 28540863 30980253 32421195 33011745 38975157 44971335 46830615 47568105 51633755 59421141 64958595 84295107 92940759 99035235 116925471 134247763 140491845 142704315 154901265 194875785 278822277 297105705 402743289 421475535 464703795 584627355 671238815 1208229867 1394111385 2013716445 3624689601 6041149335 18123448005
• Sum of all divisors σ(n): 37544263680
• Sum of proper divisors (its aliquot sum) s(n): 19420815675
• 18123448005 is an abundant number, because the sum of its proper divisors (19420815675) is greater than itself. Its abundance is 1297367670

Bases of 18123448005

• Binary: 10000111000001111011101111011000101₂
• Hexadecimal: 0x4383DDEC5
• Base-36: 8BQ8DZ9

Squares and roots of 18123448005

• 18123448005 squared (18123448005²) is 328459367589938480025
• 18123448005 cubed (18123448005³) is 5952816270271432203881818600125
• The square root of 18123448005 is 134623.3560902417
• The cube root of 18123448005 is 2626.7189590065

Scales and comparisons

• 18,123,448,005 seconds is equal to 576 years, 14 weeks, 3 hours, 6 minutes, 45 seconds.
• To count from 1 to 18,123,448,005 would take you about one thousand, one hundred fifty-two 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 18123448005 cubic inches would be around 218.9 feet tall.

Recreational maths with 18123448005

• 18123448005 backwards is 50084432181
• The number of decimal digits it has is: 11
• The sum of 18123448005's digits is 36
• More coming soon!