138228172632

Names of 138228172632

• Cardinal: 138228172632 can be written as One hundred thirty-eight billion, two hundred twenty-eight million, one hundred seventy-two thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 1.38228172632 × 10¹¹

Factors of 138228172632

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1217

Divisors of 138228172632

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 121 132 198 242 264 363 396 484 726 792 968 1089 1201 1331 1452 2178 2402 2662 2904 3603 3993 4356 4804 5324 7206 7986 8712 9608 10648 10809 11979 13211 14412 15972 21618 23958 26422 28824 31944 39633 43236 47916 52844 79266 86472 95832 105688 118899 145321 158532 237798 290642 317064 435963 475596 581284 871926 951192 1162568 1307889 1442401 1598531 1743852 2615778 2884802 3197062 3487704 4327203 4795593 5231556 5769604 6394124 8654406 9591186 10463112 11539208 12788248 12981609 14386779 15866411 17308812 19182372 25963218 28773558 31732822 34617624 38364744 47599233 51926436 57547116 63465644 95198466 103852872 115094232 126931288 142797699 174530521 190396932 285595398 349061042 380793864 523591563 571190796 698122084 1047183126 1142381592 1396244168 1570774689 1919835731 2094366252 3141549378 3839671462 4188732504 5759507193 6283098756 7679342924 11519014386 12566197512 15358685848 17278521579 23038028772 34557043158 46076057544 69114086316 138228172632
• Sum of all divisors σ(n): 412119784440
• Sum of proper divisors (its aliquot sum) s(n): 273891611808
• 138228172632 is an abundant number, because the sum of its proper divisors (273891611808) is greater than itself. Its abundance is 135663439176

Bases of 138228172632

• Binary: 10000000101111000010101000011101011000₂
• Hexadecimal: 0x202F0A8758
• Base-36: 1RI1HGM0

Squares and roots of 138228172632

• 138228172632 squared (138228172632²) is 19107027709181993807424
• 138228172632 cubed (138228172632³) is 2641129524669216131518559635219968
• The square root of 138228172632 is 371790.4956181639
• The cube root of 138228172632 is 5170.4957906909

Scales and comparisons

• 138,228,172,632 seconds is equal to 4,395 years, 11 weeks, 6 days, 2 hours, 37 minutes, 12 seconds.
• To count from 1 to 138,228,172,632 would take you about eight thousand, seven hundred ninety 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 138228172632 cubic inches would be around 430.9 feet tall.

Recreational maths with 138228172632

• 138228172632 backwards is 236271822831
• The number of decimal digits it has is: 12
• The sum of 138228172632's digits is 45
• More coming soon!