1421697721 is an odd 10-digits composite number following 1421697720
and preceding 1421697722 . In scientific notation, it is written as 1.421697721 × 10^9.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 1421617744 positive integers (up to 1421697721) that are relatively prime to 1421697721.
1421697721 has 4 divisors, whose sum is 1421777700
The reverse of 1421697721 is 1277961241
Previous prime number is 26669
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion four hundred twenty-one million six hundred ninety-seven thousand seven hundred twenty-one
Scientific notation
1.421697721 × 10^9
Engineering notation
1.421697721 × 10^9
Prime Factorization
26669 × 53309
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1421697721
Product of the distinct prime numbers
The prime factorization of 1421697721 is 26669 × 53309.
Since it has a total of 2 prime factors.
5 , 10 , 14 , 49 , 652 , 491 , 7203 , 5890 , 55125 , 19185 , 841397 , 590360 , 2768541 , 2865341 , 96089328 , 20290159 , 675654150 , 576825786 , 8280124204 , 2825372009
n×2
2843395442
n×3
4265093163
n×4
5686790884
n×5
7108488605
n÷2
710848860.5
n÷3
473899240.33333
n÷3
355424430.25
n÷5
284339544.2
n2
2021224409896593841
n3
2.8735701371796E+27
n4
4.0853481151618E+36
n5
5.8081301048172E+45
2 √n
37705.40705257
3 √n
1124.4386258637
4 √n
194.17880175902
5 √n
67.695757685385
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1421697720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1421697721 can be divided by 4 positive divisors.
The sum of these divisors (counting 1421697721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010100101111010110001010111001
3
Ternary
10200002011201122011
4
Quaternary
1110233112022321
5
Quinary
10402423311341
6
Senary
353023525521
8
Octal
12457261271
10
Decimal
1421697721
12
Duodecimal
3381598a1
16
Hexadecimal
54bd62b9
20
Vigesimal
1245c461
36
Base36
nifwzd
md5
0e92f5a4a5bd651e649d0ddc410f5036
sha1
8451851d9bcd3951bb421f7cf9d7cc90332259cf
sha256
10d30232faf92b2c08b23fee3fc5834eb1f5af6bea78e230337640dcdc2764c7
sha512
f906de156a67474d49872ee66f25b5d0edf780efb65e508f84a4ccb6a3e77d87033d6d3d107642b8f933c3e6854663e705728cac8f6467a846286795bacc66fe
ripemd-160
e98979e1d7ac9bf56660764e418ee341d70286d2
Diameter
2843395442
Circumference
8932790231.8379
Area
6.3498637573875E+18
Volume
1.2036782443384E+28
Surface area
2.539945502955E+19
Circumference
8932790231.8379
Perimeter
5686790884
Area
2021224409896593841
Diagonal
2010584198.6331
Surface area
1.212734645938E+19
Volume
2.8735701371796E+27
Space diagonal
2462452685.7769
Perimeter
4265093163
Area
8.7521584285983E+17
Altitude
1231226342.8884
Surface area
8.7521584285983E+17
Volume
3.3865348836914E+26
Height
670194732.87771