1396742900

Names of 1396742900

• Cardinal: 1396742900 can be written as One billion, three hundred ninety-six million, seven hundred forty-two thousand, nine hundred.

Scientific notation

• Scientific notation: 1.3967429 × 10⁹

Factors of 1396742900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1242

Divisors of 1396742900

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 41 50 70 82 100 140 164 175 205 287 350 410 574 700 820 1025 1148 1187 1435 1681 2050 2374 2870 3362 4100 4748 5740 5935 6724 7175 8309 8405 11767 11870 14350 16618 16810 23534 23740 28700 29675 33236 33620 41545 42025 47068 48667 58835 59350 83090 84050 97334 117670 118700 166180 168100 194668 207725 235340 243335 294175 340669 415450 486670 588350 681338 830900 973340 1176700 1216675 1362676 1703345 1995347 2433350 3406690 3990694 4866700 6813380 7981388 8516725 9976735 13967429 17033450 19953470 27934858 34066900 39906940 49883675 55869716 69837145 99767350 139674290 199534700 279348580 349185725 698371450 1396742900
• Sum of all divisors σ(n): 3553460064
• Sum of proper divisors (its aliquot sum) s(n): 2156717164
• 1396742900 is an abundant number, because the sum of its proper divisors (2156717164) is greater than itself. Its abundance is 759974264

Bases of 1396742900

• Binary: 1010011010000001001101011110100₂
• Hexadecimal: 0x53409AF4
• Base-36: N3L1PW

Squares and roots of 1396742900

• 1396742900 squared (1396742900²) is 1950890728700410000
• 1396742900 cubed (1396742900³) is 2724892773988123894589000000
• The square root of 1396742900 is 37373.0236935681
• The cube root of 1396742900 is 1117.8207251559

Scales and comparisons

• 1,396,742,900 seconds is equal to 44 years, 21 weeks, 3 days, 8 minutes, 20 seconds.
• To count from 1 to 1,396,742,900 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 1396742900 cubic inches would be around 93.2 feet tall.

Recreational maths with 1396742900

• 1396742900 backwards is 0092476931
• 1396742900 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1396742900's digits is 41
• More coming soon!