31009385 is an odd 8-digits composite number following 31009384
and preceding 31009386 . In scientific notation, it is written as 3.1009385 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 22415040 positive integers (up to 31009385) that are relatively prime to 31009385.
31009385 has 16 divisors, whose sum is 40841280
The reverse of 31009385 is 58390013
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million nine thousand three hundred eighty-five
Scientific notation
3.1009385 × 10^7
Engineering notation
3.1009385 × 10^6
Prime Factorization
5 × 11 × 173 × 3259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31009385
Product of the distinct prime numbers
The prime factorization of 31009385 is 5 × 11 × 173 × 3259.
Since it has a total of 4 prime factors.
5 , 6 , 62 , 62 , 334 , 156 , 4107 , 6014 , 80296 , 93787 , 443288 , 151049 , 3543046 , 3529706 , 59387876 , 55222792 , 337495756 , 319670348 , 9706450908 , 4405448036
n×2
62018770
n×3
93028155
n×4
124037540
n×5
155046925
n÷2
15504692.5
n÷3
10336461.666667
n÷3
7752346.25
n÷5
6201877
n2
961581958078225
n3
2.9818065147102E+22
n4
9.2463986210155E+29
n5
2.8672513470254E+37
2 √n
5568.6070969319
3 √n
314.16976296257
4 √n
74.623100290271
5 √n
31.499135207153
1 , 5 , 11 , 55 , 173 , 865 , 1903 , 3259 , 9515 , 16295 , 35849 , 179245 , 563807 , 2819035 , 6201877 , 31009385
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
-31009384
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 31009385 can be divided by 16 positive divisors.
The sum of these divisors (counting 31009385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110010010101001101001
3
Ternary
2011100102212202
4
Quaternary
1312102221221
5
Quinary
30414300020
6
Senary
3024345545
8
Octal
166225151
10
Decimal
31009385
12
Duodecimal
a4752b5
16
Hexadecimal
1d92a69
20
Vigesimal
9dg395
36
Base36
igmzt
md5
b9b2b9b625a917b393a08f9183cc0c7f
sha1
6fde4a3410ec7c5a2e9fa235aa96911e41bf9dc1
sha256
6c8be58f8b609eebec18e3ce71c4ecf40d30703539d4dd6f861665ba614578f5
sha512
1d6ddecb453a21650bf944c9353212e641f7ffc4061686b6673c4cf4fd004998ea9a63fb634c6e82be9168560a7d149d84aad4660180c9cece57a509b6ccf138
ripemd-160
ce727cb0704e2f26e73107307ee32ef1ebefc445
Diameter
62018770
Circumference
194837712.21668
Area
3.020898815323E+15
Volume
1.2490161921386E+23
Surface area
1.2083595261292E+16
Circumference
194837712.21668
Perimeter
124037540
Area
961581958078225
Diagonal
43853892.827849
Surface area
5769491748469350
Volume
2.9818065147102E+22
Space diagonal
53709830.331464
Perimeter
93028155
Area
4.1637720175826E+14
Altitude
26854915.165732
Surface area
4.1637720175826E+14
Volume
3.5140926778963E+21
Height
14617964.27595