31503940 is an even 8-digits composite number following 31503939
and preceding 31503941 . In scientific notation, it is written as 3.1503940 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 11632128 positive integers (up to 31503940) that are relatively prime to 31503940.
31503940 has 12 divisors, whose sum is 55980540
The reverse of 31503940 is 04930513
Previous prime number is 65
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million five hundred three thousand nine hundred forty
Scientific notation
3.1503940 × 10^7
Engineering notation
3.1503940 × 10^6
Prime Factorization
2 × 2 × 65 × 121169
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15751970
Product of the distinct prime numbers
The prime factorization of 31503940 is 2 × 2 × 65 × 121169.
Since it has a total of 4 prime factors.
7 , 5 , 70 , 34 , 316 , 443 , 5015 , 748 , 61162 , 24898 , 868930 , 211196 , 8202545 , 8659845 , 36986387 , 18454988 , 171937492 , 990811839 , 4208971639 , 4358142996
n×2
63007880
n×3
94511820
n×4
126015760
n×5
157519700
n÷2
15751970
n÷3
10501313.333333
n÷3
7875985
n÷5
6300788
n2
992498235523600
n3
3.1267604862041E+22
n4
9.8505274751746E+29
n5
3.1033042654625E+37
2 √n
5612.8370722835
3 √n
315.83114677133
4 √n
74.91886993464
5 √n
31.598973474083
1 , 2 , 4 , 65 , 130 , 260 , 121169 , 242338 , 484676 , 7875985 , 15751970 , 31503940
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
-31503939
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 31503940 can be divided by 12 positive divisors.
The sum of these divisors (counting 31503940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111000001011011001000100
3
Ternary
2012021120021121
4
Quaternary
1320023121010
5
Quinary
31031111230
6
Senary
3043123324
8
Octal
170133104
10
Decimal
31503940
12
Duodecimal
a673544
16
Hexadecimal
1e0b644
20
Vigesimal
9ghjh0
36
Base36
ir8lg
md5
ec2b87b3a406ba5425948c168ef6193b
sha1
ef3e064c48db7dd613e093bee3b148ec5fcc8dfd
sha256
482d6d2086137861ee6a8ff2b169b3901d4ef933c7ff036c672f8369b47cf100
sha512
0e67760ab31358dab955a011fd41d86a279127f7aaec64a4a3c84919592c95416f3bc41645e7cdf5a2435adc8a6e15859acc2a244ba7d6a0af37fbbdf4b9bb71
ripemd-160
24a46b7b2f5b86af5a14c1ce7aa1cf2054905eab
Diameter
63007880
Circumference
197945092.92627
Area
3.1180251654218E+15
Volume
1.3097343697325E+23
Surface area
1.2472100661687E+16
Circumference
197945092.92627
Perimeter
126015760
Area
992498235523600
Diagonal
44553299.216188
Surface area
5954989413141600
Volume
3.1267604862041E+22
Space diagonal
54566424.718601
Perimeter
94511820
Area
4.2976434258733E+14
Altitude
27283212.359301
Surface area
4.2976434258733E+14
Volume
3.6849225715685E+21
Height
14851099.738729