31497913 is an odd 8-digits composite number following 31497912
and preceding 31497914 . In scientific notation, it is written as 3.1497913 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 31477248 positive integers (up to 31497913) that are relatively prime to 31497913.
31497913 has 4 divisors, whose sum is 31518580
The reverse of 31497913 is 31979413
Previous prime number is 1657
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million four hundred ninety-seven thousand nine hundred thirteen
Scientific notation
3.1497913 × 10^7
Engineering notation
3.1497913 × 10^6
Prime Factorization
1657 × 19009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31497913
Product of the distinct prime numbers
The prime factorization of 31497913 is 1657 × 19009.
Since it has a total of 2 prime factors.
7 , 1 , 70 , 75 , 20 , 914 , 3635 , 8899 , 96782 , 21143 , 800996 , 500861 , 9778403 , 6563294 , 75052199 , 77585948 , 510320954 , 307249641 , 3996740978 , 5275337505
n×2
62995826
n×3
94493739
n×4
125991652
n×5
157489565
n÷2
15748956.5
n÷3
10499304.333333
n÷3
7874478.25
n÷5
6299582.6
n2
992118523355569
n3
3.1249662934342E+22
n4
9.8429916438523E+29
n5
3.1003369445779E+37
2 √n
5612.300152344
3 √n
315.81100499731
4 √n
74.915286506453
5 √n
31.597764345393
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31497912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31497913 can be divided by 4 positive divisors.
The sum of these divisors (counting 31497913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000001001111010111001
3
Ternary
2012021021000101
4
Quaternary
1320021322321
5
Quinary
31030413123
6
Senary
3043035401
8
Octal
170117271
10
Decimal
31497913
12
Duodecimal
a66bb61
16
Hexadecimal
1e09eb9
20
Vigesimal
9gh4fd
36
Base36
ir3y1
md5
722f3d9e4e332a8a34c738cbc5907123
sha1
23fab2b5297e26791ed5de9953962c29d865d061
sha256
de5b7f8303c1bb571a013395f8409d60ba301b046a17b96189c5a2275f949bb2
sha512
144ec7ae8df03bae90715e1c41c5b14bcc329db66c22b23d9e9a34d16dd53ddd2025d1bcc40232427ea78d332a5a81899856214bde06f2247b81851edfaf0fd8
ripemd-160
3fda41ef69536ebb2a1c0a25b09955bd0e05ffd0
Diameter
62995826
Circumference
197907224.16842
Area
3.1168322644642E+15
Volume
1.3089828200225E+23
Surface area
1.2467329057857E+16
Circumference
197907224.16842
Perimeter
125991652
Area
992118523355569
Diagonal
44544775.751048
Surface area
5952711140133414
Volume
3.1249662934342E+22
Space diagonal
54555985.648384
Perimeter
94493739
Area
4.2959992239551E+14
Altitude
27277992.824192
Surface area
4.2959992239551E+14
Volume
3.6828080951112E+21
Height
14848258.583683