31808980 is an even 8-digits composite number following 31808979
and preceding 31808981 . In scientific notation, it is written as 3.1808980 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 10905888 positive integers (up to 31808980) that are relatively prime to 31808980.
31808980 has 24 divisors, whose sum is 76341888
The reverse of 31808980 is 08980813
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million eight hundred eight thousand nine hundred eighty
Scientific notation
3.1808980 × 10^7
Engineering notation
3.1808980 × 10^6
Prime Factorization
2 × 2 × 7 × 5 × 227207
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15904490
Product of the distinct prime numbers
The prime factorization of 31808980 is 2 × 2 × 7 × 5 × 227207.
Since it has a total of 5 prime factors.
7 , 8 , 38 , 40 , 553 , 941 , 403 , 454 , 71486 , 19056 , 173117 , 943254 , 6896554 , 3856531 , 44443742 , 44942023 , 969151544 , 838195798 , 4495358122 , 5649510853
n×2
63617960
n×3
95426940
n×4
127235920
n×5
159044900
n÷2
15904490
n÷3
10602993.333333
n÷3
7952245
n÷5
6361796
n2
1011811208640400
n3
3.2184682499418E+22
n4
1.0237619219303E+30
n5
3.2564822499444E+37
2 √n
5639.9450351932
3 √n
316.84722974127
4 √n
75.099567476738
5 √n
31.659929876715
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 227207 , 454414 , 908828 , 1136035 , 1590449 , 2272070 , 3180898 , 4544140 , 6361796 , 7952245 , 15904490 , 31808980
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
-31808979
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 31808980 can be divided by 24 positive divisors.
The sum of these divisors (counting 31808980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111001010101110111010100
3
Ternary
2012212001201101
4
Quaternary
1321111313110
5
Quinary
31120341410
6
Senary
3053435444
8
Octal
171256724
10
Decimal
31808980
12
Duodecimal
a79bb84
16
Hexadecimal
1e55dd4
20
Vigesimal
9ig290
36
Base36
ixrys
md5
a91093c286d0df634a9606e4b32ac02d
sha1
13ea24420a6a5bb9240afbeaf0f9e040fe70c7b7
sha256
919db5bc2a2fadb715217f1a6a3742310c262723a0d46088051e7d663d3a7dfb
sha512
978e356216aefcfdf885bdf6f3249b6214e1c3c64e0bcfcf24eeb3fdb48f1a734ba4389b88a566d30e55b5014fd08d8ee8c5d6c2e2f4beb864d00bb35593ea43
ripemd-160
68785d597770dab9fc03eae41baf9df9b7dc97df
Diameter
63617960
Circumference
199861715.77237
Area
3.1786986598845E+15
Volume
1.3481488279772E+23
Surface area
1.2714794639538E+16
Circumference
199861715.77237
Perimeter
127235920
Area
1011811208640400
Diagonal
44984690.921255
Surface area
6070867251842400
Volume
3.2184682499418E+22
Space diagonal
55094769.496942
Perimeter
95426940
Area
4.3812710525821E+14
Altitude
27547384.748471
Surface area
4.3812710525821E+14
Volume
3.7930012076124E+21
Height
14994896.973752