18153072

Names of 18153072

• Cardinal: 18153072 can be written as Eighteen million, one hundred fifty-three thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8153072 × 10⁷

Factors of 18153072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 64

Divisors of 18153072

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 27 28 29 36 42 46 48 54 56 58 63 69 72 81 84 87 92 108 112 116 126 138 144 161 162 168 174 184 189 203 207 216 232 243 252 261 276 322 324 336 348 368 378 406 414 432 464 483 486 504 522 552 567 609 621 644 648 667 696 756 783 812 828 966 972 1008 1044 1104 1134 1218 1242 1288 1296 1334 1392 1449 1512 1566 1624 1656 1701 1827 1863 1932 1944 2001 2088 2268 2349 2436 2484 2576 2668 2898 3024 3132 3248 3312 3402 3654 3726 3864 3888 4002 4176 4347 4536 4669 4698 4872 4968 5336 5481 5589 5796 6003 6264 6804 7047 7308 7452 7728 8004 8694 9072 9338 9396 9744 9936 10672 10962 11178 11592 12006 12528 13041 13608 14007 14094 14616 14904 16008 16443 17388 18009 18676 18792 21924 22356 23184 24012 26082 27216 28014 28188 29232 29808 32016 32886 34776 36018 37352 37584 39123 42021 43848 44712 48024 49329 52164 54027 56028 56376 65772 69552 72036 74704 78246 84042 87696 89424 96048 98658 104328 108054 112056 112752 126063 131544 144072 156492 162081 168084 197316 208656 216108 224112 252126 263088 288144 312984 324162 336168 378189 394632 432216 504252 625968 648324 672336 756378 789264 864432 1008504 1134567 1296648 1512756 2017008 2269134 2593296 3025512 4538268 6051024 9076536 18153072
• Sum of all divisors σ(n): 64995840
• Sum of proper divisors (its aliquot sum) s(n): 46842768
• 18153072 is an abundant number, because the sum of its proper divisors (46842768) is greater than itself. Its abundance is 28689696

Bases of 18153072

• Binary: 1000101001111111001110000₂
• Hexadecimal: 0x114FE70
• Base-36: AT300

Squares and roots of 18153072

• 18153072 squared (18153072²) is 329534023037184
• 18153072 cubed (18153072³) is 5982054846643659829248
• The square root of 18153072 is 4260.6422051141
• The cube root of 18153072 is 262.8149362877

Scales and comparisons

• 18,153,072 seconds is equal to 30 weeks, 2 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,153,072 would take you about forty-five weeks!

  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 18153072 cubic inches would be around 21.9 feet tall.

Recreational maths with 18153072

• 18153072 backwards is 27035181
• 18153072 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18153072's digits is 27
• More coming soon!