31194988 is an even 8-digits composite number following 31194987
and preceding 31194989 . In scientific notation, it is written as 3.1194988 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 14097600 positive integers (up to 31194988) that are relatively prime to 31194988.
31194988 has 12 divisors, whose sum is 54632592
The reverse of 31194988 is 88949113
Previous prime number is 1991
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
thirty-one million one hundred ninety-four thousand nine hundred eighty-eight
Scientific notation
3.1194988 × 10^7
Engineering notation
3.1194988 × 10^6
Prime Factorization
2 × 2 × 1991 × 3917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15597494
Product of the distinct prime numbers
The prime factorization of 31194988 is 2 × 2 × 1991 × 3917.
Since it has a total of 4 prime factors.
3 , 8 , 92 , 10 , 457 , 272 , 2347 , 51 , 48909 , 64096 , 951031 , 458649 , 3116166 , 2563390 , 78272784 , 67582004 , 825136871 , 552652621 , 6150810084 , 3786625282
n×2
62389976
n×3
93584964
n×4
124779952
n×5
155974940
n÷2
15597494
n÷3
10398329.333333
n÷3
7798747
n÷5
6238997.6
n2
973127276320144
n3
3.035669370728E+22
n4
9.4697669591826E+29
n5
2.954092666545E+37
2 √n
5585.2473535198
3 √n
314.79532517288
4 √n
74.734512465927
5 √n
31.536752122374
1 , 2 , 4 , 1991 , 3917 , 3982 , 7834 , 7964 , 15668 , 7798747 , 15597494 , 31194988
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
-31194987
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 31194988 can be divided by 12 positive divisors.
The sum of these divisors (counting 31194988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110111111111101101100
3
Ternary
2011200212110221
4
Quaternary
1312333331230
5
Quinary
30441214423
6
Senary
3032341124
8
Octal
166777554
10
Decimal
31194988
12
Duodecimal
a5447a4
16
Hexadecimal
1dbff6c
20
Vigesimal
9ej798
36
Base36
ikm7g
md5
9ca513dfa82737b1067948dfdb4cbcc6
sha1
bacc056817277920fad2ede21929ea9385da4e2e
sha256
42e2ef43ceb49abd481332ee0fe302733b72ca53f4ba3aeb2b4a4735d27de296
sha512
06ac06db5b04f19821a4c99a6849f43c52c4b706a86552b4e471af43350a5909cc56ea8c797d844ec48ea4809bd39685163281c8099b9cf93cc14c9a038538b5
ripemd-160
f3f28f6c4d3af62edc7b92360105c367ba8aace0
Diameter
62389976
Circumference
196003890.25924
Area
3.0571695022952E+15
Volume
1.2715782125075E+23
Surface area
1.2228678009181E+16
Circumference
196003890.25924
Perimeter
124779952
Area
973127276320144
Diagonal
44116375.107666
Surface area
5838763657920864
Volume
3.035669370728E+22
Space diagonal
54031304.157501
Perimeter
93584964
Area
4.213764712044E+14
Altitude
27015652.078751
Surface area
4.213764712044E+14
Volume
3.5775706624701E+21
Height
14705458.369222