1421491968

Names of 1421491968

• Cardinal: 1421491968 can be written as One billion, four hundred twenty-one million, four hundred ninety-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.421491968 × 10⁹

Factors of 1421491968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 47477

Divisors of 1421491968

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 256 288 312 384 416 468 576 624 768 832 936 1152 1248 1664 1872 2304 2496 3328 3744 4992 7488 9984 14976 29952 47459 94918 142377 189836 284754 379672 427131 569508 616967 759344 854262 1139016 1233934 1518688 1708524 1850901 2278032 2467868 3037376 3417048 3701802 4556064 4935736 5552703 6074752 6834096 7403604 9112128 9871472 11105406 12149504 13668192 14807208 18224256 19742944 22210812 27336384 29614416 36448512 39485888 44421624 54672768 59228832 78971776 88843248 109345536 118457664 157943552 177686496 236915328 355372992 473830656 710745984 1421491968
• Sum of all divisors σ(n): 4413874920
• Sum of proper divisors (its aliquot sum) s(n): 2992382952
• 1421491968 is an abundant number, because the sum of its proper divisors (2992382952) is greater than itself. Its abundance is 1570890984

Bases of 1421491968

• Binary: 1010100101110100011111100000000₂
• Hexadecimal: 0x54BA3F00
• Base-36: NIBI80

Squares and roots of 1421491968

• 1421491968 squared (1421491968²) is 2020639415088513024
• 1421491968 cubed (1421491968³) is 2872322698772539272679391232
• The square root of 1421491968 is 37702.6785255375
• The cube root of 1421491968 is 1124.3843790341

Scales and comparisons

• 1,421,491,968 seconds is equal to 45 years, 10 weeks, 2 days, 10 hours, 52 minutes, 48 seconds.
• To count from 1 to 1,421,491,968 would take you about ninety 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 1421491968 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421491968

• 1421491968 backwards is 8691941241
• The number of decimal digits it has is: 10
• The sum of 1421491968's digits is 45
• More coming soon!