18012831712

Names of 18012831712

• Cardinal: 18012831712 can be written as Eighteen billion, twelve million, eight hundred thirty-one thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8012831712 × 10¹⁰

Factors of 18012831712

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 373

Divisors of 18012831712

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 16 17 29 32 34 58 68 79 97 116 136 149 158 194 232 272 298 316 388 464 493 544 596 632 776 928 986 1192 1264 1343 1552 1649 1972 2291 2384 2528 2533 2686 2813 3104 3298 3944 4321 4582 4768 5066 5372 5626 6596 7663 7888 8642 9164 10132 10744 11252 11771 13192 14453 15326 15776 17284 18328 20264 21488 22504 23542 26384 28906 30652 34568 36656 38947 40528 42976 45008 47084 47821 52768 57812 61304 69136 73312 73457 77894 81056 90016 94168 95642 115624 122608 130271 138272 146914 155788 188336 191284 200107 222227 231248 245216 245701 260542 293828 311576 341359 376672 382568 400214 419137 444454 462496 491402 521084 587656 623152 682718 765136 800428 838274 888908 982804 1042168 1141787 1175312 1246304 1365436 1530272 1600856 1676548 1777816 1965608 2084336 2283574 2350624 2730872 3201712 3353096 3555632 3777859 3931216 4168672 4567148 5461744 5803103 6403424 6706192 7111264 7125329 7555718 7862432 9134296 10923488 11606206 13412384 14250658 15111436 18268592 19410379 23212412 28501316 30222872 33111823 36537184 38820758 46424824 57002632 60445744 66223646 77641516 92849648 114005264 120891488 132447292 155283032 185699296 228010528 264894584 310566064 529789168 562900991 621132128 1059578336 1125801982 2251603964 4503207928 9006415856 18012831712
• Sum of all divisors σ(n): 40007520000
• Sum of proper divisors (its aliquot sum) s(n): 21994688288
• 18012831712 is an abundant number, because the sum of its proper divisors (21994688288) is greater than itself. Its abundance is 3981856576

Bases of 18012831712

• Binary: 10000110001101001011111111111100000₂
• Hexadecimal: 0x431A5FFE0
• Base-36: 89WDHWG

Squares and roots of 18012831712

• 18012831712 squared (18012831712²) is 324462106284832850944
• 18012831712 cubed (18012831712³) is 5844481317429751682103452336128
• The square root of 18012831712 is 134211.8910976221
• The cube root of 18012831712 is 2621.3639981161

Scales and comparisons

• 18,012,831,712 seconds is equal to 572 years, 39 weeks, 20 hours, 21 minutes, 52 seconds.
• To count from 1 to 18,012,831,712 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 18012831712 cubic inches would be around 218.4 feet tall.

Recreational maths with 18012831712

• 18012831712 backwards is 21713821081
• 18012831712 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18012831712's digits is 34
• More coming soon!