31502990 is an even 8-digits composite number following 31502989
and preceding 31502991 . In scientific notation, it is written as 3.1502990 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 12166560 positive integers (up to 31502990) that are relatively prime to 31502990.
31502990 has 16 divisors, whose sum is 58661280
The reverse of 31502990 is 09920513
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million five hundred two thousand nine hundred ninety
Scientific notation
3.1502990 × 10^7
Engineering notation
3.1502990 × 10^6
Prime Factorization
2 × 5 × 29 × 108631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31502990
Product of the distinct prime numbers
The prime factorization of 31502990 is 2 × 5 × 29 × 108631.
Since it has a total of 4 prime factors.
4 , 5 , 65 , 72 , 648 , 830 , 4126 , 2312 , 51126 , 14402 , 768859 , 484828 , 3644793 , 3109166 , 24998797 , 15874834 , 437931954 , 546237300 , 6972160108 , 2365805186
n×2
63005980
n×3
94508970
n×4
126011960
n×5
157514950
n÷2
15751495
n÷3
10500996.666667
n÷3
7875747.5
n÷5
6300598
n2
992438378940100
n3
3.1264776327366E+22
n4
9.8493393599325E+29
n5
3.1028363936256E+37
2 √n
5612.7524442113
3 √n
315.82797211439
4 √n
74.918305134402
5 √n
31.598782898638
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 108631 , 217262 , 543155 , 1086310 , 3150299 , 6300598 , 15751495 , 31502990
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31502989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31502990 can be divided by 16 positive divisors.
The sum of these divisors (counting 31502990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001011001010001110
3
Ternary
2012021111222102
4
Quaternary
1320023022032
5
Quinary
31031043430
6
Senary
3043115102
8
Octal
170131216
10
Decimal
31502990
12
Duodecimal
a672a92
16
Hexadecimal
1e0b28e
20
Vigesimal
9ghh9a
36
Base36
ir7v2
md5
cbff15f4444781ae8363cfc2abc5c042
sha1
215c3ecde956da706e0718c9411eb130bbe8bc27
sha256
56e5c1f008d83d498b39fea607fea1aac6452b85589ba693375c3e0ade7a347e
sha512
87ee591235072188afb6ec5084d29553c91501be08294576251a4fae01d273eecb8d578f0e9d36edceb4f701b4a48ce4c38d6a7bbd2a0eff89a8f26a4eb9fa5c
ripemd-160
c9e15aaf8883a49e983e0782637b5986b01a9844
Diameter
63005980
Circumference
197939123.90023
Area
3.1178371204188E+15
Volume
1.3096158883491E+23
Surface area
1.2471348481675E+16
Circumference
197939123.90023
Perimeter
126011960
Area
992438378940100
Diagonal
44551955.713304
Surface area
5954630273640600
Volume
3.1264776327366E+22
Space diagonal
54564779.270334
Perimeter
94508970
Area
4.2973842392639E+14
Altitude
27282389.635167
Surface area
4.2973842392639E+14
Volume
3.6845892255602E+21
Height
14850651.904435