31861243 is an odd 8-digits prime number following 31861242
and preceding 31861244 . In scientific notation, it is written as 3.1861243 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 31861242 positive integers (up to 31861243) that are relatively prime to 31861243.
31861243 has 2 divisors, whose sum is 31861244
The reverse of 31861243 is 34216813
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million eight hundred sixty-one thousand two hundred forty-three
Scientific notation
3.1861243 × 10^7
Engineering notation
3.1861243 × 10^6
Prime Factorization
31861243
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31861243
Product of the distinct prime numbers
The prime factorization of 31861243 is 31861243.
Since it has a total of 1 prime factors.
1 , 7 , 67 , 70 , 253 , 82 , 9314 , 8114 , 78113 , 1483 , 35260 , 212048 , 2064288 , 1989142 , 12249075 , 27397599 , 806564212 , 12991162 , 3665732861 , 778417746
n×2
63722486
n×3
95583729
n×4
127444972
n×5
159306215
n÷2
15930621.5
n÷3
10620414.333333
n÷3
7965310.75
n÷5
6372248.6
n2
1015138805505049
n3
3.2343584160926E+22
n4
1.0305067944422E+30
n5
3.2833227390875E+37
2 √n
5644.5764234352
3 √n
317.02066426475
4 √n
75.13039613522
5 √n
31.670326667414
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31861244
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15930622
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5644.5765120158
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999372278
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31861243 can be divided by 2 positive divisors.
The sum of these divisors (counting 31861243) is 31861244, the average is 15930622.
Base
System
Value
2
Binary
1111001100010100111111011
3
Ternary
2012221201102001
4
Quaternary
1321202213323
5
Quinary
31124024433
6
Senary
3054521431
8
Octal
171424773
10
Decimal
31861243
12
Duodecimal
a806277
16
Hexadecimal
1e629fb
20
Vigesimal
9j2d23
36
Base36
iywaj
md5
8bff145a5deac5ea5459d77de796fec2
sha1
8945fe17d95e34ae8e6420953f0373b9ada21a0f
sha256
f06fdbb6bbdbc541d4687d40ce3444af107ee230a8e04f8692b68b2acb786de5
sha512
5f5a218e0d165318295312e4faa7b47acfca9a20661e186203284eb6b861d0bb73278f5bd7eccfe70564a4c5a1288ab7095daaa3848ebe251fd361f7dbdc26f4
ripemd-160
1b903af41bdaf4b00435d54d5fd49d0ff5585f31
Diameter
63722486
Circumference
200190093.88608
Area
3.1891526137486E+15
Volume
1.3548048852097E+23
Surface area
1.2756610454994E+16
Circumference
200190093.88608
Perimeter
127444972
Area
1015138805505049
Diagonal
45058601.964665
Surface area
6090832833030294
Volume
3.2343584160926E+22
Space diagonal
55185291.668298
Perimeter
95583729
Area
4.3956799696738E+14
Altitude
27592645.834149
Surface area
4.3956799696738E+14
Volume
3.8117279480114E+21
Height
15019533.988222