31127980 is an even 8-digits composite number following 31127979
and preceding 31127981 . In scientific notation, it is written as 3.1127980 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 11493312 positive integers (up to 31127980) that are relatively prime to 31127980.
31127980 has 24 divisors, whose sum is 70397712
The reverse of 31127980 is 08972113
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-one million one hundred twenty-seven thousand nine hundred eighty
Scientific notation
3.1127980 × 10^7
Engineering notation
3.1127980 × 10^6
Prime Factorization
2 × 2 × 5 × 13 × 119723
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15563990
Product of the distinct prime numbers
The prime factorization of 31127980 is 2 × 2 × 5 × 13 × 119723.
Since it has a total of 5 prime factors.
9 , 7 , 30 , 83 , 936 , 794 , 9563 , 8724 , 69118 , 60660 , 365619 , 929508 , 897043 , 246270 , 52212735 , 76175297 , 607475017 , 413995331 , 2392824593 , 2393100937
n×2
62255960
n×3
93383940
n×4
124511920
n×5
155639900
n÷2
15563990
n÷3
10375993.333333
n÷3
7781995
n÷5
6225596
n2
968951138880400
n3
3.0161491672046E+22
n4
9.3886630953762E+29
n5
2.9225011705961E+37
2 √n
5579.2454686992
3 √n
314.5697662185
4 √n
74.694346966147
5 √n
31.523192041918
1 , 2 , 4 , 5 , 10 , 13 , 20 , 26 , 52 , 65 , 130 , 260 , 119723 , 239446 , 478892 , 598615 , 1197230 , 1556399 , 2394460 , 3112798 , 6225596 , 7781995 , 15563990 , 31127980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31127979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31127980 can be divided by 24 positive divisors.
The sum of these divisors (counting 31127980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101111100110101100
3
Ternary
2011120110120011
4
Quaternary
1312233212230
5
Quinary
30432043410
6
Senary
3031103004
8
Octal
166574654
10
Decimal
31127980
12
Duodecimal
a511a64
16
Hexadecimal
1daf9ac
20
Vigesimal
9eajj0
36
Base36
ij6i4
md5
28b32e89282f1d01107814f49f406338
sha1
7ad298c24061953632b392b1204dfdf7881e4dce
sha256
80d1a1ef4a20bcb1da10ced647276a4a42b6a51e1abd7fb8790fba34f6a6e47e
sha512
63e56f7316522cce6100ed1bab9239c34f2392f73a0a0a50089af0df1d04e8fdbaf0053bed1f2ff9a64ee68a03efe26d29f62552680f13163707933391e6c385
ripemd-160
ac1df1cdea8fa99288590899b2e9dcc4b488b489
Diameter
62255960
Circumference
195582866.57818
Area
3.0440497795941E+15
Volume
1.2634016087761E+23
Surface area
1.2176199118377E+16
Circumference
195582866.57818
Perimeter
124511920
Area
968951138880400
Diagonal
44021611.485278
Surface area
5813706833282400
Volume
3.0161491672046E+22
Space diagonal
53915242.896988
Perimeter
93383940
Area
4.1956815064814E+14
Altitude
26957621.448494
Surface area
4.1956815064814E+14
Volume
3.5545658820009E+21
Height
14673870.495093