31361980 is an even 8-digits composite number following 31361979
and preceding 31361981 . In scientific notation, it is written as 3.1361980 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 11579712 positive integers (up to 31361980) that are relatively prime to 31361980.
31361980 has 12 divisors, whose sum is 55728288
The reverse of 31361980 is 08916313
Previous prime number is 65
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million three hundred sixty-one thousand nine hundred eighty
Scientific notation
3.1361980 × 10^7
Engineering notation
3.1361980 × 10^6
Prime Factorization
2 × 2 × 65 × 120623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15680990
Product of the distinct prime numbers
The prime factorization of 31361980 is 2 × 2 × 65 × 120623.
Since it has a total of 4 prime factors.
1 , 5 , 52 , 83 , 342 , 864 , 5951 , 1409 , 79439 , 65477 , 201503 , 491228 , 7768788 , 5744086 , 98909226 , 60362063 , 936262093 , 522514739 , 1911412907 , 6081060406
n×2
62723960
n×3
94085940
n×4
125447920
n×5
156809900
n÷2
15680990
n÷3
10453993.333333
n÷3
7840495
n÷5
6272396
n2
983573789520400
n3
3.0846821515463E+22
n4
9.6741739943152E+29
n5
3.0340125132623E+37
2 √n
5600.1767829239
3 √n
315.3560432024
4 √n
74.834328906752
5 √n
31.570444359458
1 , 2 , 4 , 65 , 130 , 260 , 120623 , 241246 , 482492 , 7840495 , 15680990 , 31361980
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
-31361979
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 31361980 can be divided by 12 positive divisors.
The sum of these divisors (counting 31361980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111101000101110111100
3
Ternary
2012000100112211
4
Quaternary
1313220232330
5
Quinary
31012040410
6
Senary
3040110204
8
Octal
167505674
10
Decimal
31361980
12
Duodecimal
a605364
16
Hexadecimal
1de8bbc
20
Vigesimal
9g04j0
36
Base36
io724
md5
265070260b6184630d56f716fcab72e3
sha1
c9a87306fa2d92818d61ea262ebe008b60c32b74
sha256
e9b8d28372529f3988f044e08c77066b098a9cbb99c2c6ffe39f23825b148a75
sha512
14015793e7735aa198347dcfcd55ad6ebbad048016d55131dd2bf68e2210fd7ecdab497499679f43d885cfb3ce868bd49b42b2f9cba3145410a8ce356c18df00
ripemd-160
2f2e31ce2dd1dec4bd44924c446b5944e20b5a32
Diameter
62723960
Circumference
197053131.94006
Area
3.0899881914208E+15
Volume
1.2921086381277E+23
Surface area
1.2359952765683E+16
Circumference
197053131.94006
Perimeter
125447920
Area
983573789520400
Diagonal
44352537.458874
Surface area
5901442737122400
Volume
3.0846821515463E+22
Space diagonal
54320542.785959
Perimeter
94085940
Area
4.258999441106E+14
Altitude
27160271.392979
Surface area
4.258999441106E+14
Volume
3.6353327786058E+21
Height
14784179.152958