20131972 is an even 8-digits composite number following 20131971
and preceding 20131973 . In scientific notation, it is written as 2.0131972 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 8627976 positive integers (up to 20131972) that are relatively prime to 20131972.
20131972 has 12 divisors, whose sum is 40264000
The reverse of 20131972 is 27913102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-one thousand nine hundred seventy-two
Scientific notation
2.0131972 × 10^7
Engineering notation
2.0131972 × 10^6
Prime Factorization
2 × 2 × 7 × 718999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10065986
Product of the distinct prime numbers
The prime factorization of 20131972 is 2 × 2 × 7 × 718999.
Since it has a total of 4 prime factors.
9 , 7 , 79 , 73 , 955 , 434 , 9223 , 4488 , 70008 , 34030 , 655528 , 606816 , 1537926 , 7801755 , 26025352 , 95301602 , 499878650 , 541397125 , 1528107435 , 4063083680
n×2
40263944
n×3
60395916
n×4
80527888
n×5
100659860
n÷2
10065986
n÷3
6710657.3333333
n÷3
5032993
n÷5
4026394.4
n2
405296296608784
n3
8.1594136950317E+21
n4
1.642650880448E+29
n5
3.3069801530954E+36
2 √n
4486.866612682
3 √n
272.03749843454
4 √n
66.984077307088
5 √n
28.891977204879
1 , 2 , 4 , 7 , 14 , 28 , 718999 , 1437998 , 2875996 , 5032993 , 10065986 , 20131972
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
-20131971
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 20131972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20131972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110011000010000100
3
Ternary
1101212210212121
4
Quaternary
1030303002010
5
Quinary
20123210342
6
Senary
1555255324
8
Octal
114630204
10
Decimal
20131972
12
Duodecimal
68aa544
16
Hexadecimal
1333084
20
Vigesimal
65g9ic
36
Base36
bzhxg
md5
564f21050059cfc2878c6f3b4b1547d0
sha1
a6531d13e515e4528cec2f5dcf8e49ea1f1995d7
sha256
d2eda44ec707985dc54faaff45d4de07d2cc7af755193b6d70abeda35b602d22
sha512
7141403dfaf741b0717cf3784632d2b0821706f34120018ed3d81d200244ca7626436a28ea9872e6569a206c7ead04fd657ecf1b1f62b5bf9bd000edb762a8b0
ripemd-160
2733bf436b785517fa305bd48445b45c571087b0
Diameter
40263944
Circumference
126492910.67495
Area
1.2732758679533E+15
Volume
3.4178072162549E+22
Surface area
5.0931034718132E+15
Circumference
126492910.67495
Perimeter
80527888
Area
405296296608784
Diagonal
28470907.839715
Surface area
2431777779652704
Volume
8.1594136950317E+21
Space diagonal
34869598.360554
Perimeter
60395916
Area
1.7549844446148E+14
Altitude
17434799.180277
Surface area
1.7549844446148E+14
Volume
9.6159612571055E+20
Height
9490302.6132385