1390778368

Names of 1390778368

• Cardinal: 1390778368 can be written as One billion, three hundred ninety million, seven hundred seventy-eight thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.390778368 × 10⁹

Factors of 1390778368

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 13868

Divisors of 1390778368

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 512 784 896 1024 1568 1792 2048 3136 3584 6272 7168 12544 13859 14336 25088 27718 50176 55436 97013 100352 110872 194026 221744 388052 443488 679091 776104 886976 1358182 1552208 1773952 2716364 3104416 3547904 5432728 6208832 7095808 10865456 12417664 14191616 21730912 24835328 28383232 43461824 49670656 86923648 99341312 173847296 198682624 347694592 695389184 1390778368
• Sum of all divisors σ(n): 3235131900
• Sum of proper divisors (its aliquot sum) s(n): 1844353532
• 1390778368 is an abundant number, because the sum of its proper divisors (1844353532) is greater than itself. Its abundance is 453575164

Bases of 1390778368

• Binary: 1010010111001011001100000000000₂
• Hexadecimal: 0x52E59800
• Base-36: N017GG

Squares and roots of 1390778368

• 1390778368 squared (1390778368²) is 1934264468896743424
• 1390778368 cubed (1390778368³) is 2690133181332599579745452032
• The square root of 1390778368 is 37293.1410315623
• The cube root of 1390778368 is 1116.2273060373

Scales and comparisons

• 1,390,778,368 seconds is equal to 44 years, 11 weeks, 3 days, 23 hours, 19 minutes, 28 seconds.
• To count from 1 to 1,390,778,368 would take you about eighty-eight 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 1390778368 cubic inches would be around 93 feet tall.

Recreational maths with 1390778368

• 1390778368 backwards is 8638770931
• The number of decimal digits it has is: 10
• The sum of 1390778368's digits is 52
• More coming soon!