21969907 is an odd 8-digits composite number following 21969906
and preceding 21969908 . In scientific notation, it is written as 2.1969907 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 21212296 positive integers (up to 21969907) that are relatively prime to 21969907.
21969907 has 4 divisors, whose sum is 22727520
The reverse of 21969907 is 70996912
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million nine hundred sixty-nine thousand nine hundred seven
Scientific notation
2.1969907 × 10^7
Engineering notation
2.1969907 × 10^6
Prime Factorization
29 × 757583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21969907
Product of the distinct prime numbers
The prime factorization of 21969907 is 29 × 757583.
Since it has a total of 2 prime factors.
4 , 7 , 100 , 95 , 808 , 327 , 2147 , 2952 , 9350 , 31739 , 50516 , 424303 , 7956397 , 2443337 , 1031926 , 42580153 , 95151776 , 397231279 , 4087524192 , 1948346855
n×2
43939814
n×3
65909721
n×4
87879628
n×5
109849535
n÷2
10984953.5
n÷3
7323302.3333333
n÷3
5492476.75
n÷5
4393981.4
n2
482676813588649
n3
1.0604364705599E+22
n4
2.3297690637609E+29
n5
5.1184809662304E+36
2 √n
4687.206737493
3 √n
280.07611451143
4 √n
68.463177968109
5 √n
29.40123976289
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
-21969906
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 21969907 can be divided by 4 positive divisors.
The sum of these divisors (counting 21969907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011110011101111110011
3
Ternary
1112100012001021
4
Quaternary
1103303233303
5
Quinary
21111014112
6
Senary
2102520311
8
Octal
123635763
10
Decimal
21969907
12
Duodecimal
7436097
16
Hexadecimal
14f3bf3
20
Vigesimal
6h64f7
36
Base36
d2w37
md5
a7218ebd51636fb4ff3430efc5b97d2e
sha1
e7f4efc5e799ee2aaffaf74dd73095927a5d40f5
sha256
0c0f40a72f6b891f6a90c015c0ec31e453b1d911b896dcf5e74c7ce9828def56
sha512
10a708d82f2a9fcd00c2f7482d57bf0c1123ea51e6ffc74ec215a8d677c177f22f0f4a8b27d81d767b46fd2683dc902c9aa5e12fedcfa4e89f559d9fbd75ea68
ripemd-160
b458a6c83eb284802f572779669576610bb4cc26
Diameter
43939814
Circumference
138040996.8625
Area
1.5163739316282E+15
Volume
4.4419459006795E+22
Surface area
6.0654957265129E+15
Circumference
138040996.8625
Perimeter
87879628
Area
482676813588649
Diagonal
31070140.443476
Surface area
2896060881531894
Volume
1.0604364705599E+22
Space diagonal
38052995.161563
Perimeter
65909721
Area
2.0900519119275E+14
Altitude
19026497.580782
Surface area
2.0900519119275E+14
Volume
1.2497363655841E+21
Height
10356713.481159