181427939988425

Names of 181427939988425

• Cardinal: 181427939988425 can be written as One hundred eighty-one trillion, four hundred twenty-seven billion, nine hundred thirty-nine million, nine hundred eighty-eight thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.81427939988425 × 10¹⁴

Factors of 181427939988425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 103

Divisors of 181427939988425

• Number of divisors d(n): 168
• Complete list of divisors:
  1 5 13 17 25 31 37 65 85 155 185 221 325 403 425 481 527 629 775 925 961 1105 1147 2015 2405 2635 3145 4805 5525 5735 6851 8177 10075 12025 12493 13175 14911 15725 16337 19499 24025 28675 29791 34255 35557 40885 62465 74555 81685 97495 148955 171275 177785 204425 212381 253487 312325 372775 387283 408425 462241 487475 506447 604469 744775 888925 923521 1061905 1102267 1267435 1936415 2311205 2532235 3022345 4617605 5309525 5511335 6337175 6583811 7858097 9682075 11556025 12005773 12661175 14329471 15111725 15699857 18738539 23088025 27556675 28629151 32919055 34170277 39290485 60028865 71647355 78499285 93692695 143145755 164595275 170851385 196452425 204098141 243601007 300144325 358236775 372178963 392496425 444213601 468463475 486695567 580894709 715728775 854256925 887503681 1020490705 1059278587 1218005035 1860894815 2221068005 2433477835 2904473545 4437518405 5102453525 5296392935 6090025175 6327042371 7551631217 9304474075 11105340025 11537547853 12167389175 13770621631 14522367725 15087562577 18007735979 22187592025 26481964675 31635211855 32837636197 37758156085 57687739265 68853108155 75437812885 90038679895 158176059275 164188180985 188790780425 196138313501 234100567727 288438696325 344265540775 377189064425 426889270561 450193399475 558239815349 820940904925 980691567505 1170502838635 2134446352805 2791199076745 4903457837525 5852514193175 7257117599537 10672231764025 13955995383725 36285587997685 181427939988425
• Sum of all divisors σ(n): 272242819141272
• Sum of proper divisors (its aliquot sum) s(n): 90814879152847
• 181427939988425 is a deficient number, because the sum of its proper divisors (90814879152847) is less than itself. Its deficiency is 90613060835578

Bases of 181427939988425

• Binary: 101001010000000111111011111010100101001111001001₂
• Hexadecimal: 0xA501FBEA53C9
• Base-36: 1SB6UF4ZIH

Squares and roots of 181427939988425

• 181427939988425 squared (181427939988425²) is 32916097408443543189133980625
• 181427939988425 cubed (181427939988425³) is 5971899745272246819602874476379436674265625
• The square root of 181427939988425 is 13469518.9219372271
• The cube root of 181427939988425 is 56611.0734272763

Scales and comparisons

• 181,427,939,988,425 seconds is equal to 5,768,847 years, 15 weeks, 3 days, 12 hours, 47 minutes, 5 seconds.
• To count from 1 to 181,427,939,988,425 would take you about fourteen million, four hundred twenty-two thousand, one hundred eighteen 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 181427939988425 cubic inches would be around 4717.6 feet tall.

Recreational maths with 181427939988425

• 181427939988425 backwards is 524889939724181
• The number of decimal digits it has is: 15
• The sum of 181427939988425's digits is 80
• More coming soon!