31609990 is an even 8-digits composite number following 31609989
and preceding 31609991 . In scientific notation, it is written as 3.1609990 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 12552480 positive integers (up to 31609990) that are relatively prime to 31609990.
31609990 has 16 divisors, whose sum is 57309840
The reverse of 31609990 is 09990613
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-one million six hundred nine thousand nine hundred ninety
Scientific notation
3.1609990 × 10^7
Engineering notation
3.1609990 × 10^6
Prime Factorization
2 × 5 × 139 × 22741
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31609990
Product of the distinct prime numbers
The prime factorization of 31609990 is 2 × 5 × 139 × 22741.
Since it has a total of 4 prime factors.
9 , 2 , 24 , 70 , 662 , 576 , 9874 , 2285 , 25858 , 8574 , 261977 , 17259 , 9481801 , 8175989 , 34033320 , 87134848 , 948398141 , 878345930 , 1071046489 , 9430840716
n×2
63219980
n×3
94829970
n×4
126439960
n×5
158049950
n÷2
15804995
n÷3
10536663.333333
n÷3
7902497.5
n÷5
6321998
n2
999191467800100
n3
3.1584432305246E+22
n4
9.9838358932452E+29
n5
3.1558895274712E+37
2 √n
5622.2762294288
3 √n
316.18513826523
4 √n
74.981839330793
5 √n
31.620218867628
1 , 2 , 5 , 10 , 139 , 278 , 695 , 1390 , 22741 , 45482 , 113705 , 227410 , 3160999 , 6321998 , 15804995 , 31609990
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
-31609989
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 31609990 can be divided by 16 positive divisors.
The sum of these divisors (counting 31609990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000100101010010000110
3
Ternary
2012110221202101
4
Quaternary
1320211102012
5
Quinary
31043004430
6
Senary
3045302314
8
Octal
170452206
10
Decimal
31609990
12
Duodecimal
a70499a
16
Hexadecimal
1e25486
20
Vigesimal
9hb4ja
36
Base36
itifa
md5
08b4b25e884270bd2c1c028aaaa6078b
sha1
bd99db9f2bd8f1e122bb4af619c3ccc342ea34fd
sha256
822cdb71257ee8ff56a83ade95e060c02f0500bf424e3a68e9ce6e3733be192b
sha512
dba24c76110f20c0851505ac94baf23db2cb46e7e7c688a4460acf5c4701a88b7d545564a8ac82d6dd6ab974dbdf5a8b0b7f2d9f8ddcd584a08468e1857e5068
ripemd-160
962062a8e89f175b6acb688c8ae30d0f3471bad1
Diameter
63219980
Circumference
198611424.72809
Area
3.1390525747704E+15
Volume
1.3230056066396E+23
Surface area
1.2556210299082E+16
Circumference
198611424.72809
Perimeter
126439960
Area
999191467800100
Diagonal
44703276.564478
Surface area
5995148806800600
Volume
3.1584432305246E+22
Space diagonal
54750108.706744
Perimeter
94829970
Area
4.3266259717977E+14
Altitude
27375054.353372
Surface area
4.3266259717977E+14
Volume
3.7222610438279E+21
Height
14901092.188159