31861243 (number)

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.

Interesting facts

Basic properties

Name

Name thirty-one million eight hundred sixty-one thousand two hundred forty-three

Notation

Scientific notation 3.1861243 × 10^7
Engineering notation 3.1861243 × 10^6

Prime Factorization of 31861243

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.

Most popular turbo-numbers

Basic calculations (n = 31861243)

Multiplication

n×y
n×2 63722486
n×3 95583729
n×4 127444972
n×5 159306215

Division

n÷y
n÷2 15930621.5
n÷3 10620414.333333
n÷3 7965310.75
n÷5 6372248.6

Exponentiation

ny
n2 1015138805505049
n3 3.2343584160926E+22
n4 1.0305067944422E+30
n5 3.2833227390875E+37

Nth Root

y√n
2√n 5644.5764234352
3√n 317.02066426475
4√n 75.13039613522
5√n 31.670326667414

Divisors of 31861243

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 conversion 31861243

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

Cryptographic Hash Functions

md5 8bff145a5deac5ea5459d77de796fec2
sha1 8945fe17d95e34ae8e6420953f0373b9ada21a0f
sha256 f06fdbb6bbdbc541d4687d40ce3444af107ee230a8e04f8692b68b2acb786de5
sha512 5f5a218e0d165318295312e4faa7b47acfca9a20661e186203284eb6b861d0bb73278f5bd7eccfe70564a4c5a1288ab7095daaa3848ebe251fd361f7dbdc26f4
ripemd-160 1b903af41bdaf4b00435d54d5fd49d0ff5585f31

31861243 as geometric shapes

Circle

Radius = n
Diameter 63722486
Circumference 200190093.88608
Area 3.1891526137486E+15

Sphere

Radius = n
Volume 1.3548048852097E+23
Surface area 1.2756610454994E+16
Circumference 200190093.88608

Square

Length = n
Perimeter 127444972
Area 1015138805505049
Diagonal 45058601.964665

Cube

Length = n
Surface area 6090832833030294
Volume 3.2343584160926E+22
Space diagonal 55185291.668298

Equilateral Triangle

Length = n
Perimeter 95583729
Area 4.3956799696738E+14
Altitude 27592645.834149

Triangular Pyramid

Length = n
Surface area 4.3956799696738E+14
Volume 3.8117279480114E+21
Height 15019533.988222