138396871600

Names of 138396871600

• Cardinal: 138396871600 can be written as One hundred thirty-eight billion, three hundred ninety-six million, eight hundred seventy-one thousand, six hundred.

Scientific notation

• Scientific notation: 1.383968716 × 10¹¹

Factors of 138396871600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 11512

Divisors of 138396871600

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 169 181 200 208 260 325 338 362 400 520 650 676 724 845 905 1040 1300 1352 1448 1690 1810 2353 2600 2704 2896 3380 3620 4225 4525 4706 5200 6760 7240 8450 9050 9412 11311 11765 13520 14480 16900 18100 18824 22622 23530 30589 33800 36200 37648 45244 47060 56555 58825 61178 67600 72400 90488 94120 113110 117650 122356 147043 152945 180976 188240 226220 235300 244712 282775 294086 305890 452440 470600 489424 565550 588172 611780 735215 764725 904880 941200 1131100 1176344 1223560 1470430 1529450 1911559 2047291 2262200 2352688 2447120 2940860 3058900 3676075 3823118 4094582 4524400 5881720 6117800 7352150 7646236 8189164 9557795 10236455 11763440 12235600 14704300 15292472 16378328 19115590 20472910 26614783 29408600 30584944 32756656 38231180 40945820 47788975 51182275 53229566 58817200 76462360 81891640 95577950 102364550 106459132 133073915 152924720 163783280 191155900 204729100 212918264 266147830 345992179 382311800 409458200 425836528 532295660 665369575 691984358 764623600 818916400 1064591320 1330739150 1383968716 1729960895 2129182640 2661478300 2767937432 3459921790 5322956600 5535874864 6919843580 8649804475 10645913200 13839687160 17299608950 27679374320 34599217900 69198435800 138396871600
• Sum of all divisors σ(n): 362063930592
• Sum of proper divisors (its aliquot sum) s(n): 223667058992
• 138396871600 is an abundant number, because the sum of its proper divisors (223667058992) is greater than itself. Its abundance is 85270187392

Bases of 138396871600

• Binary: 10000000111001000110001010101110110000₂
• Hexadecimal: 0x203918ABB0
• Base-36: 1RKTX9KG

Squares and roots of 138396871600

• 138396871600 squared (138396871600²) is 19153694068666886560000
• 138396871600 cubed (138396871600³) is 2650811338686972682416085696000000
• The square root of 138396871600 is 372017.3001353567
• The cube root of 138396871600 is 5172.5983594179

Scales and comparisons

• 138,396,871,600 seconds is equal to 4,400 years, 30 weeks, 5 days, 15 hours, 26 minutes, 40 seconds.
• To count from 1 to 138,396,871,600 would take you about eight thousand, eight hundred 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 138396871600 cubic inches would be around 431 feet tall.

Recreational maths with 138396871600

• 138396871600 backwards is 006178693831
• 138396871600 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138396871600's digits is 52
• More coming soon!