135491661438

Names of 135491661438

• Cardinal: 135491661438 can be written as One hundred thirty-five billion, four hundred ninety-one million, six hundred sixty-one thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.35491661438 × 10¹¹

Factors of 135491661438

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1254

Divisors of 135491661438

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 14 21 42 79 158 167 237 334 439 474 501 553 557 878 1002 1106 1114 1169 1317 1659 1671 2338 2634 3073 3318 3342 3507 3899 6146 7014 7798 9219 11697 13193 18438 23394 26386 34681 39579 44003 69362 73313 79158 88006 92351 93019 104043 132009 146626 184702 186038 208086 219939 242767 244523 264018 277053 279057 308021 439878 485534 489046 513191 554106 558114 616042 651133 728301 733569 924063 1026382 1302266 1456602 1467138 1539573 1711661 1848126 1953399 3079146 3423322 3906798 5134983 5791727 7348501 10269966 11583454 14697002 17375181 19317317 22045503 34750362 38634634 40542089 40835341 44091006 51439507 57951951 81084178 81670682 102879014 115903902 121626267 122506023 135221219 154318521 243252534 245012046 270442438 285847387 308637042 405663657 571694774 811327314 857542161 1715084322 3225991939 6451983878 9677975817 19355951634 22581943573 45163887146 67745830719 135491661438
• Sum of all divisors σ(n): 316779724800
• Sum of proper divisors (its aliquot sum) s(n): 181288063362
• 135491661438 is an abundant number, because the sum of its proper divisors (181288063362) is greater than itself. Its abundance is 45796401924

Bases of 135491661438

• Binary: 1111110001011111011101010111001111110₂
• Hexadecimal: 0x1F8BEEAE7E
• Base-36: 1Q8S8J26

Squares and roots of 135491661438

• 135491661438 squared (135491661438²) is 18357990319229616227844
• 135491661438 cubed (135491661438³) is 2487354609015140702925709916679672
• The square root of 135491661438 is 368091.9198216663
• The cube root of 135491661438 is 5136.1479190331

Scales and comparisons

• 135,491,661,438 seconds is equal to 4,308 years, 11 weeks, 1 day, 12 hours, 37 minutes, 18 seconds.
• To count from 1 to 135,491,661,438 would take you about eight thousand, six hundred sixteen 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 135491661438 cubic inches would be around 428 feet tall.

Recreational maths with 135491661438

• 135491661438 backwards is 834166194531
• The number of decimal digits it has is: 12
• The sum of 135491661438's digits is 51
• More coming soon!