31497797 is an odd 8-digits prime number following 31497796
and preceding 31497798 . In scientific notation, it is written as 3.1497797 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 31497796 positive integers (up to 31497797) that are relatively prime to 31497797.
31497797 has 2 divisors, whose sum is 31497798
The reverse of 31497797 is 79779413
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty-one million four hundred ninety-seven thousand seven hundred ninety-seven
Scientific notation
3.1497797 × 10^7
Engineering notation
3.1497797 × 10^6
Prime Factorization
31497797
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31497797
Product of the distinct prime numbers
The prime factorization of 31497797 is 31497797.
Since it has a total of 1 prime factors.
7 , 9 , 20 , 84 , 197 , 514 , 7150 , 6641 , 93633 , 85194 , 177669 , 963255 , 4536123 , 1109033 , 17576537 , 19216926 , 424695989 , 472100722 , 8804311952 , 7558908253
n×2
62995594
n×3
94493391
n×4
125991188
n×5
157488985
n÷2
15748898.5
n÷3
10499265.666667
n÷3
7874449.25
n÷5
6299559.4
n2
992111215853209
n3
3.1249317678368E+22
n4
9.8428466462173E+29
n5
3.1002798556468E+37
2 √n
5612.2898178907
3 √n
315.81061730896
4 √n
74.915217532159
5 √n
31.597741071812
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31497798
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15748899
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5612.2899069809
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999365035
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31497797 can be divided by 2 positive divisors.
The sum of these divisors (counting 31497797) is 31497798, the average is 15748899.
Base
System
Value
2
Binary
1111000001001111001000101
3
Ternary
2012021020212002
4
Quaternary
1320021321011
5
Quinary
31030412142
6
Senary
3043035045
8
Octal
170117105
10
Decimal
31497797
12
Duodecimal
a66ba85
16
Hexadecimal
1e09e45
20
Vigesimal
9gh49h
36
Base36
ir3ut
md5
d6bacbf2c6b1361898a9f948fde369fd
sha1
3507028fbf3503ed5d608fed50439dfc6779fd1b
sha256
75f3373a27a8d9ed100c4faf7482653b09adcb244abe243605e409693bd9492d
sha512
1d3569da53f42a11e5b201f838640c3ded1ceb43abf70e057c46b8b33244c74967ebbf9ec63dc689b03696037a57043a9f8ee3089639032454d01f66e918badc
ripemd-160
1ae793fa920b268c25b590a36dbe7ab00a571715
Diameter
62995594
Circumference
197906495.31893
Area
3.1168093072685E+15
Volume
1.308968357974E+23
Surface area
1.2467237229074E+16
Circumference
197906495.31893
Perimeter
125991188
Area
992111215853209
Diagonal
44544611.702275
Surface area
5952667295119254
Volume
3.1249317678368E+22
Space diagonal
54555784.730491
Perimeter
94493391
Area
4.2959675815417E+14
Altitude
27277892.365245
Surface area
4.2959675815417E+14
Volume
3.6827674063044E+21
Height
14848203.900758