78398880004000

Names of 78398880004000

• Cardinal: 78398880004000 can be written as Seventy-eight trillion, three hundred ninety-eight billion, eight hundred eighty million, four thousand.

Scientific notation

• Scientific notation: 7.8398880004 × 10¹³

Factors of 78398880004000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 140006

Divisors of 78398880004000

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 139999 279998 559996 699995 1119992 1399990 2239984 2799980 3499975 4479968 5599960 6999950 11199920 13999900 17499875 22399840 27999800 34999750 55999600 69999500 111999200 139999000 279998000 559996000 19599720001 39199440002 78398880004 97998600005 156797760008 195997200010 313595520016 391994400020 489993000025 627191040032 783988800040 979986000050 1567977600080 1959972000100 2449965000125 3135955200160 3919944000200 4899930000250 7839888000400 9799860000500 15679776000800 19599720001000 39199440002000 78398880004000
• Sum of all divisors σ(n): 192627424089828
• Sum of proper divisors (its aliquot sum) s(n): 114228544085828
• 78398880004000 is an abundant number, because the sum of its proper divisors (114228544085828) is greater than itself. Its abundance is 35829664081828

Bases of 78398880004000

• Binary: 10001110100110110101001011001001011011110100000₂
• Hexadecimal: 0x474DA964B7A0
• Base-36: RSFY4YE1S

Squares and roots of 78398880004000

• 78398880004000 squared (78398880004000²) is 6146384385881591040016000000
• 78398880004000 cubed (78398880004000³) is 481869651927190087698815946240064000000000
• The square root of 78398880004000 is 8854314.2029182587
• The cube root of 78398880004000 is 42799.2954152213

Scales and comparisons

• 78,398,880,004,000 seconds is equal to 2,492,841 years, 45 weeks, 5 days, 11 hours, 46 minutes, 40 seconds.
• To count from 1 to 78,398,880,004,000 would take you about six million, two hundred thirty-two thousand, one hundred four 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 78398880004000 cubic inches would be around 3566.6 feet tall.

Recreational maths with 78398880004000

• 78398880004000 backwards is 00040008889387
• The number of decimal digits it has is: 14
• The sum of 78398880004000's digits is 55
• More coming soon!