20156972 is an even 8-digits composite number following 20156971
and preceding 20156973 . In scientific notation, it is written as 2.0156972 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 8845760 positive integers (up to 20156972) that are relatively prime to 20156972.
20156972 has 12 divisors, whose sum is 35387520
The reverse of 20156972 is 27965102
Previous prime number is 319
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred fifty-six thousand nine hundred seventy-two
Scientific notation
2.0156972 × 10^7
Engineering notation
2.0156972 × 10^6
Prime Factorization
2 × 2 × 319 × 15797
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10078486
Product of the distinct prime numbers
The prime factorization of 20156972 is 2 × 2 × 319 × 15797.
Since it has a total of 4 prime factors.
6 , 7 , 4 , 80 , 755 , 592 , 9101 , 2242 , 92371 , 10505 , 512144 , 120699 , 2538723 , 1535726 , 3116806 , 81864023 , 464960751 , 985224367 , 5320057949 , 8975924237
n×2
40313944
n×3
60470916
n×4
80627888
n×5
100784860
n÷2
10078486
n÷3
6718990.6666667
n÷3
5039243
n÷5
4031394.4
n2
406303520208784
n3
8.1898486803499E+21
n4
1.6508255053405E+29
n5
3.3275643488034E+36
2 √n
4489.651656866
3 √n
272.15005777139
4 √n
67.004862934462
5 √n
28.899149288319
1 , 2 , 4 , 319 , 638 , 1276 , 15797 , 31594 , 63188 , 5039243 , 10078486 , 20156972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20156971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20156972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20156972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111001001000101100
3
Ternary
1101221002011112
4
Quaternary
1030321020230
5
Quinary
20130010342
6
Senary
2000011152
8
Octal
114711054
10
Decimal
20156972
12
Duodecimal
6900ab8
16
Hexadecimal
133922c
20
Vigesimal
65jc8c
36
Base36
c017w
md5
03cf816d260fa98d493f9530a3b90fb4
sha1
bf4f07df3a8696526f614cff21a4592bcd8832ee
sha256
88f585281c4d2d112b54d1d026c077226f653846d6a69055eee6af984bba406f
sha512
f580b6a7360adc161fd51459c716b8e72f593d32eb5b37e6e51a3cba85364fcb2b6b0f070ce523a651a115e63706cdb2edf47de5c620c15558e0efb080e6564c
ripemd-160
485c94fa949820ed7908b1387a0eeb2434aa6b77
Diameter
40313944
Circumference
126649990.30763
Area
1.2764401542156E+15
Volume
3.4305557930932E+22
Surface area
5.1057606168624E+15
Circumference
126649990.30763
Perimeter
80627888
Area
406303520208784
Diagonal
28506263.178775
Surface area
2437821121252704
Volume
8.1898486803499E+21
Space diagonal
34912899.630743
Perimeter
60470916
Area
1.7593458507393E+14
Altitude
17456449.815372
Surface area
1.7593458507393E+14
Volume
9.6518292312785E+20
Height
9502087.7262582