18129524839400

Names of 18129524839400

• Cardinal: 18129524839400 can be written as Eighteen trillion, one hundred twenty-nine billion, five hundred twenty-four million, eight hundred thirty-nine thousand, four hundred.

Scientific notation

• Scientific notation: 1.81295248394 × 10¹³

Factors of 18129524839400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4558

Divisors of 18129524839400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 325 409 520 650 818 1300 1636 2045 2600 3272 4090 4129 5317 8180 8258 10225 10634 16360 16516 20450 20645 21268 26585 33032 40900 41290 42536 53170 53677 81800 82580 103225 106340 107354 132925 165160 206450 212680 214708 265850 268385 412900 429416 531700 536770 825800 1063400 1073540 1341925 1688761 2147080 2683850 3377522 5367700 6755044 8443805 10735400 13510088 16887610 17048641 21953893 33775220 34097282 42219025 43907786 67550440 68194564 84438050 85243205 87815572 109769465 136389128 168876100 170486410 175631144 219538930 221632333 337752200 340972820 426216025 439077860 443264666 548847325 681945640 852432050 878155720 886529332 1097694650 1108161665 1704864100 1773058664 2195389300 2216323330 3409728200 4390778600 4432646660 5540808325 6972894169 8865293320 11081616650 13945788338 22163233300 27891576676 34864470845 44326466600 55783153352 69728941690 90647624197 139457883380 174322354225 181295248394 278915766760 348644708450 362590496788 453238120985 697289416900 725180993576 906476241970 1394578833800 1812952483940 2266190604925 3625904967880 4532381209850 9064762419700 18129524839400
• Sum of all divisors σ(n): 45515551076100
• Sum of proper divisors (its aliquot sum) s(n): 27386026236700
• 18129524839400 is an abundant number, because the sum of its proper divisors (27386026236700) is greater than itself. Its abundance is 9256501397300

Bases of 18129524839400

• Binary: 100000111110100011011111000110101001111101000₂
• Hexadecimal: 0x107D1BE353E8
• Base-36: 6FCL6ZYLK

Squares and roots of 18129524839400

• 18129524839400 squared (18129524839400²) is 328679670902421595792360000
• 18129524839400 cubed (18129524839400³) is 5958806257831269734528577144746984000000
• The square root of 18129524839400 is 4257877.9737564109
• The cube root of 18129524839400 is 26270.1250786489

Scales and comparisons

• 18,129,524,839,400 seconds is equal to 576,462 years, 42 weeks, 1 day, 10 hours, 3 minutes, 20 seconds.
• To count from 1 to 18,129,524,839,400 would take you about one million, four hundred forty-one thousand, one hundred fifty-seven 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 18129524839400 cubic inches would be around 2189.2 feet tall.

Recreational maths with 18129524839400

• 18129524839400 backwards is 00493842592181
• The number of decimal digits it has is: 14
• The sum of 18129524839400's digits is 56
• More coming soon!