138715707168

Names of 138715707168

• Cardinal: 138715707168 can be written as One hundred thirty-eight billion, seven hundred fifteen million, seven hundred seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38715707168 × 10¹¹

Factors of 138715707168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1225713

Divisors of 138715707168

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 131 144 216 262 288 393 432 524 786 864 1048 1179 1572 2096 2358 3144 3537 4192 4716 6288 7074 9432 12576 14148 18864 28296 37728 56592 113184 1225577 2451154 3676731 4902308 7353462 9804616 11030193 14706924 19609232 22060386 29413848 33090579 39218464 44120772 58827696 66181158 88241544 117655392 132362316 160550587 176483088 264724632 321101174 352966176 481651761 529449264 642202348 963303522 1058898528 1284404696 1444955283 1926607044 2568809392 2889910566 3853214088 4334865849 5137618784 5779821132 7706428176 8669731698 11559642264 15412856352 17339463396 23119284528 34678926792 46238569056 69357853584 138715707168
• Sum of all divisors σ(n): 407676265920
• Sum of proper divisors (its aliquot sum) s(n): 268960558752
• 138715707168 is an abundant number, because the sum of its proper divisors (268960558752) is greater than itself. Its abundance is 130244851584

Bases of 138715707168

• Binary: 10000001001100000110011011011100100000₂
• Hexadecimal: 0x204C19B720
• Base-36: 1RQ3R0O0

Squares and roots of 138715707168

• 138715707168 squared (138715707168²) is 19242047415118326580224
• 138715707168 cubed (138715707168³) is 2669174214548325125972543243845632
• The square root of 138715707168 is 372445.5761154909
• The cube root of 138715707168 is 5176.5674845043

Scales and comparisons

• 138,715,707,168 seconds is equal to 4,410 years, 37 weeks, 6 days, 20 hours, 52 minutes, 48 seconds.
• To count from 1 to 138,715,707,168 would take you about eight thousand, eight hundred twenty-one 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 138715707168 cubic inches would be around 431.4 feet tall.

Recreational maths with 138715707168

• 138715707168 backwards is 861707517831
• 138715707168 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138715707168's digits is 54
• More coming soon!