21708047 is an odd 8-digits composite number following 21708046
and preceding 21708048 . In scientific notation, it is written as 2.1708047 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 21178584 positive integers (up to 21708047) that are relatively prime to 21708047.
21708047 has 8 divisors, whose sum is 22243200
The reverse of 21708047 is 74080712
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million seven hundred eight thousand forty-seven
Scientific notation
2.1708047 × 10^7
Engineering notation
2.1708047 × 10^6
Prime Factorization
59 × 139 × 2647
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21708047
Product of the distinct prime numbers
The prime factorization of 21708047 is 59 × 139 × 2647.
Since it has a total of 3 prime factors.
5 , 5 , 56 , 43 , 500 , 716 , 3993 , 7376 , 96517 , 90975 , 452768 , 19044 , 4174695 , 7022915 , 738806 , 18573646 , 296981559 , 835803887 , 7384265824 , 4293480137
n×2
43416094
n×3
65124141
n×4
86832188
n×5
108540235
n÷2
10854023.5
n÷3
7236015.6666667
n÷3
5427011.75
n÷5
4341609.4
n2
471239304554209
n3
1.022968497151E+22
n4
2.2206648215673E+29
n5
4.8206296317831E+36
2 √n
4659.1895217945
3 √n
278.95891876814
4 √n
68.258256070563
5 √n
29.330816349242
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21708046
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21708047 can be divided by 8 positive divisors.
The sum of these divisors (counting 21708047) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110011110100001111
3
Ternary
1111211212211202
4
Quaternary
1102303310033
5
Quinary
21024124142
6
Senary
2053140115
8
Octal
122636417
10
Decimal
21708047
12
Duodecimal
732a63b
16
Hexadecimal
14b3d0f
20
Vigesimal
6fda27
36
Base36
cxa1b
md5
a9c7b571f7deaeb9355e321f7563ec40
sha1
28f18b8d7e52f31656863a682eb178a74e8ee9b4
sha256
2f1fe2dfbe19f846ff55785fbb6ddbd710974ab5a800a0cfae15c6796d110b1c
sha512
ab08bcfbfd5740b18531b4a6b815c124ed106e2b5c0f4bd3c8b2da58cf2379362b98f5939efd3ab87bd58544cfd9b1d59c88c1353e29348643824133eb065ded
ripemd-160
04146cec0f10c05975f1bb9e5750995d96cbcf59
Diameter
43416094
Circumference
136395681.95796
Area
1.4804419372703E+15
Volume
4.2850004206712E+22
Surface area
5.9217677490811E+15
Circumference
136395681.95796
Perimeter
86832188
Area
471239304554209
Diagonal
30699814.480033
Surface area
2827435827325254
Volume
1.022968497151E+22
Space diagonal
37599440.337093
Perimeter
65124141
Area
2.0405260450283E+14
Altitude
18799720.168547
Surface area
2.0405260450283E+14
Volume
1.2055799354595E+21
Height
10233271.493344