7844688132138

Names of 7844688132138

• Cardinal: 7844688132138 can be written as Seven trillion, eight hundred forty-four billion, six hundred eighty-eight million, one hundred thirty-two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.844688132138 × 10¹²

Factors of 7844688132138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 31902

Divisors of 7844688132138

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 11 13 18 22 26 27 33 39 54 66 78 99 117 143 198 234 286 297 351 429 594 702 858 1287 2574 3861 7722 31873 63746 95619 191238 286857 350603 414349 573714 701206 828698 860571 1051809 1243047 1721142 2103618 2486094 3155427 3729141 4557839 6310854 7458282 9115678 9466281 11187423 13673517 18932562 22374846 27347034 41020551 82041102 123061653 246123306 1015888129 2031776258 3047664387 6095328774 9142993161 11174769419 13206545677 18285986322 22349538838 26413091354 27428979483 33524308257 39619637031 54857958966 67048616514 79239274062 100572924771 118858911093 145272002447 201145849542 237717822186 290544004894 301718774313 356576733279 435816007341 603437548626 713153466558 871632014682 1307448022023 2614896044046 3922344066069 7844688132138
• Sum of all divisors σ(n): 20480947260480
• Sum of proper divisors (its aliquot sum) s(n): 12636259128342
• 7844688132138 is an abundant number, because the sum of its proper divisors (12636259128342) is greater than itself. Its abundance is 4791570996204

Bases of 7844688132138

• Binary: 1110010001001111011110110010111100000101010₂
• Hexadecimal: 0x7227BD9782A
• Base-36: 2S3SSRPYI

Squares and roots of 7844688132138

• 7844688132138 squared (7844688132138²) is 61539131890506783348451044
• 7844688132138 cubed (7844688132138³) is 482755297603533686999979061551896052072
• The square root of 7844688132138 is 2800837.0413392493
• The cube root of 7844688132138 is 19869.7267296027

Scales and comparisons

• 7,844,688,132,138 seconds is equal to 249,436 years, 42 weeks, 3 days, 12 hours, 42 minutes, 18 seconds.
• To count from 1 to 7,844,688,132,138 would take you about six hundred twenty-three thousand, five hundred ninety-two 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 7844688132138 cubic inches would be around 1655.8 feet tall.

Recreational maths with 7844688132138

• 7844688132138 backwards is 8312318864487
• The number of decimal digits it has is: 13
• The sum of 7844688132138's digits is 63
• More coming soon!