13890017538

Names of 13890017538

• Cardinal: 13890017538 can be written as Thirteen billion, eight hundred ninety million, seventeen thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3890017538 × 10¹⁰

Factors of 13890017538

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 57

Divisors of 13890017538

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 9 18 23 27 29 46 54 58 69 81 87 138 162 174 207 243 261 414 486 522 529 621 667 729 783 1058 1242 1334 1458 1566 1587 1863 2001 2187 2349 3174 3726 4002 4374 4698 4761 5589 6003 6561 7047 9522 11178 12006 12167 13122 14094 14283 15341 16767 18009 19683 21141 24334 28566 30682 33534 36018 36501 39366 42282 42849 46023 50301 54027 63423 73002 85698 92046 100602 108054 109503 126846 128547 138069 150903 162081 190269 219006 257094 276138 301806 324162 328509 352843 380538 385641 414207 452709 486243 570807 657018 705686 771282 828414 905418 972486 985527 1058529 1141614 1156923 1242621 1458729 1971054 2117058 2313846 2485242 2917458 2956581 3175587 3470769 3727863 4376187 5913162 6351174 6941538 7455726 8752374 8869743 9526761 10412307 11183589 13128561 17739486 19053522 20824614 22367178 26257122 26609229 28580283 33550767 53218458 57160566 67101534 79827687 85740849 100652301 159655374 171481698 201304602 239483061 257222547 301956903 478966122 514445094 603913806 771667641 1543335282 2315002923 4630005846 6945008769 13890017538
• Sum of all divisors σ(n): 33799075200
• Sum of proper divisors (its aliquot sum) s(n): 19909057662
• 13890017538 is an abundant number, because the sum of its proper divisors (19909057662) is greater than itself. Its abundance is 6019040124

Bases of 13890017538

• Binary: 1100111011111010001101100100000010₂
• Hexadecimal: 0x33BE8D902
• Base-36: 6DPRA4I

Squares and roots of 13890017538

• 13890017538 squared (13890017538²) is 192932587205947581444
• 13890017538 cubed (13890017538³) is 2679837019942326324165843364872
• The square root of 13890017538 is 117855.9185531213
• The cube root of 13890017538 is 2403.8143938299

Scales and comparisons

• 13,890,017,538 seconds is equal to 441 years, 34 weeks, 2 days, 2 hours, 12 minutes, 18 seconds.
• To count from 1 to 13,890,017,538 would take you about eight hundred eighty-three 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 13890017538 cubic inches would be around 200.3 feet tall.

Recreational maths with 13890017538

• 13890017538 backwards is 83571009831
• The number of decimal digits it has is: 11
• The sum of 13890017538's digits is 45
• More coming soon!