21971567 is an odd 8-digits composite number following 21971566
and preceding 21971568 . In scientific notation, it is written as 2.1971567 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 21744960 positive integers (up to 21971567) that are relatively prime to 21971567.
21971567 has 4 divisors, whose sum is 22198176
The reverse of 21971567 is 76517912
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million nine hundred seventy-one thousand five hundred sixty-seven
Scientific notation
2.1971567 × 10^7
Engineering notation
2.1971567 × 10^6
Prime Factorization
97 × 226511
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21971567
Product of the distinct prime numbers
The prime factorization of 21971567 is 97 × 226511.
Since it has a total of 2 prime factors.
7 , 7 , 58 , 76 , 783 , 345 , 6835 , 3821 , 38294 , 25668 , 140877 , 850429 , 9883976 , 6115928 , 97020236 , 28084953 , 278985593 , 746293221 , 6469154163 , 3275801119
n×2
43943134
n×3
65914701
n×4
87886268
n×5
109857835
n÷2
10985783.5
n÷3
7323855.6666667
n÷3
5492891.75
n÷5
4394313.4
n2
482749756435489
n3
1.0606768617756E+22
n4
2.3304732733852E+29
n5
5.1204149667893E+36
2 √n
4687.3838118934
3 √n
280.0831683213
4 √n
68.464471164929
5 √n
29.40168404864
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
-21971566
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 21971567 can be divided by 4 positive divisors.
The sum of these divisors (counting 21971567) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011110100001001101111
3
Ternary
1112100021022202
4
Quaternary
1103310021233
5
Quinary
21111042232
6
Senary
2102532115
8
Octal
123641157
10
Decimal
21971567
12
Duodecimal
743703b
16
Hexadecimal
14f426f
20
Vigesimal
6h68i7
36
Base36
d2xdb
md5
62880c197c5a655dfc3c4a5129433161
sha1
b4b15759714f35c1ac995e26231611d2fb96218e
sha256
1d71b26a97b6dca9277377ebfa3a40b6f46834ecf9f37e8fb7911d1f057cf302
sha512
e7c1f929b17292c784c328e64e34eb33e4ef286ca5bd353983e38b89dfb45b38e3884c6c680f2e4da5b132ceaf2cb965fa63c46822b69427c483966a11bb65f5
ripemd-160
0513c3487d0e73ef97c93841b488f6461342137f
Diameter
43943134
Circumference
138051426.95011
Area
1.51660308834E+15
Volume
4.4429528490492E+22
Surface area
6.06641235336E+15
Circumference
138051426.95011
Perimeter
87886268
Area
482749756435489
Diagonal
31072488.037989
Surface area
2896498538612934
Volume
1.0606768617756E+22
Space diagonal
38055870.365904
Perimeter
65914701
Area
2.0903677637194E+14
Altitude
19027935.182952
Surface area
2.0903677637194E+14
Volume
1.2500196693487E+21
Height
10357496.012663