31381806 is an even 8-digits composite number following 31381805
and preceding 31381807 . In scientific notation, it is written as 3.1381806 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 9697536 positive integers (up to 31381806) that are relatively prime to 31381806.
31381806 has 32 divisors, whose sum is 67484160
The reverse of 31381806 is 60818313
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million three hundred eighty-one thousand eight hundred six
Scientific notation
3.1381806 × 10^7
Engineering notation
3.1381806 × 10^6
Prime Factorization
2 × 3 × 19 × 47 × 5857
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31381806
Product of the distinct prime numbers
The prime factorization of 31381806 is 2 × 3 × 19 × 47 × 5857.
Since it has a total of 5 prime factors.
3 , 3 , 76 , 53 , 964 , 344 , 9739 , 2011 , 53956 , 74010 , 116601 , 817052 , 3133646 , 4834610 , 34930234 , 94119787 , 485176014 , 541267645 , 2241640704 , 9230604741
n×2
62763612
n×3
94145418
n×4
125527224
n×5
156909030
n÷2
15690903
n÷3
10460602
n÷3
7845451.5
n÷5
6276361.2
n2
984817747821636
n3
3.0905359507496E+22
n4
9.6986599642448E+29
n5
3.043614654579E+37
2 √n
5601.9466259507
3 √n
315.42248173602
4 √n
74.846153047105
5 √n
31.574434907355
1 , 2 , 3 , 6 , 19 , 38 , 47 , 57 , 94 , 114 , 141 , 282 , 893 , 1786 , 2679 , 5358 , 5857 , 11714 , 17571 , 35142 , 111283 , 222566 , 275279 , 333849 , 550558 , 667698 , 825837 , 1651674 , 5230301 , 10460602 , 15690903 , 31381806
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31381805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31381806 can be divided by 32 positive divisors.
The sum of these divisors (counting 31381806) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110111101101100100101110
3
Ternary
2012001100202010
4
Quaternary
1313231210232
5
Quinary
31013204211
6
Senary
3040342050
8
Octal
167554456
10
Decimal
31381806
12
Duodecimal
a614926
16
Hexadecimal
1ded92e
20
Vigesimal
9g2ea6
36
Base36
iomcu
md5
a9302363516454e57f3a17ab6ee157df
sha1
915bb489f6714b8099c31393f189404e861a3732
sha256
4783d7440a542bb9de5f26df01f4933cd3a3abd854359429a1003b872ada6b78
sha512
feea892e8a9a6b7632a2ab3a89da535c11e55fe5d6cf38a03f2815c4d81d138696e6c8b34b5e5c4292248087fff8e5d67073014a51ace3c7a2f637bf93c99e33
ripemd-160
a842115e49486959e12c335a99c15ce576dc5736
Diameter
62763612
Circumference
197177702.37196
Area
3.0938962016813E+15
Volume
1.294560671804E+23
Surface area
1.2375584806725E+16
Circumference
197177702.37196
Perimeter
125527224
Area
984817747821636
Diagonal
44380575.656961
Surface area
5908906486929816
Volume
3.0905359507496E+22
Space diagonal
54354882.42527
Perimeter
94145418
Area
4.2643859385566E+14
Altitude
27177441.212635
Surface area
4.2643859385566E+14
Volume
3.6422315471264E+21
Height
14793525.218987