28750387006400

Names of 28750387006400

• Cardinal: 28750387006400 can be written as Twenty-eight trillion, seven hundred fifty billion, three hundred eighty-seven million, six thousand, four hundred.

Scientific notation

• Scientific notation: 2.87503870064 × 10¹³

Factors of 28750387006400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17968991886

Divisors of 28750387006400

• Number of divisors d(n): 42
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 17968991879 35937983758 71875967516 89844959395 143751935032 179689918790 287503870064 359379837580 449224796975 575007740128 718759675160 898449593950 1150015480256 1437519350320 1796899187900 2875038700640 3593798375800 5750077401280 7187596751600 14375193503200 28750387006400
• Sum of all divisors σ(n): 70743921031560
• Sum of proper divisors (its aliquot sum) s(n): 41993534025160
• 28750387006400 is an abundant number, because the sum of its proper divisors (41993534025160) is greater than itself. Its abundance is 13243147018760

Bases of 28750387006400

• Binary: 110100010010111111000100110101100101111000000₂
• Hexadecimal: 0x1A25F89ACBC0
• Base-36: A6VQU3ZCW

Squares and roots of 28750387006400

• 28750387006400 squared (28750387006400²) is 826584753017773953640960000
• 28750387006400 cubed (28750387006400³) is 23764631542850561465011412354822144000000
• The square root of 28750387006400 is 5361938.7357932391
• The cube root of 28750387006400 is 30634.7658340441

Scales and comparisons

• 28,750,387,006,400 seconds is equal to 914,173 years, 19 weeks, 3 days, 20 hours, 53 minutes, 20 seconds.
• To count from 1 to 28,750,387,006,400 would take you about two million, two hundred eighty-five thousand, four hundred thirty-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 28750387006400 cubic inches would be around 2552.9 feet tall.

Recreational maths with 28750387006400

• 28750387006400 backwards is 00460078305782
• 28750387006400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28750387006400's digits is 50
• More coming soon!