31861261 (number)

31861261 is an odd 8-digits prime number following 31861260 and preceding 31861262. In scientific notation, it is written as 3.1861261 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 31861260 positive integers (up to 31861261) that are relatively prime to 31861261.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1861261 × 10^7
Engineering notation 3.1861261 × 10^6

Prime Factorization of 31861261

Prime Factorization 31861261

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 31861261
Product of the distinct prime numbers

The prime factorization of 31861261 is 31861261. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31861261)

Multiplication

n×y
n×2 63722522
n×3 95583783
n×4 127445044
n×5 159306305

Division

n÷y
n÷2 15930630.5
n÷3 10620420.333333
n÷3 7965315.25
n÷5 6372252.2

Exponentiation

ny
n2 1015139952510121
n3 3.2343638978453E+22
n4 1.0305091231823E+30
n5 3.2833320136591E+37

Nth Root

y√n
2√n 5644.5780178858
3√n 317.02072396499
4√n 75.130406746442
5√n 31.670330245841

Divisors of 31861261

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 31861262
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 15930631
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5644.5781064664
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 31861261 can be divided by 2 positive divisors. The sum of these divisors (counting 31861261) is 31861262, the average is 15930631.

Base conversion 31861261

Base System Value
2 Binary 1111001100010101000001101
3 Ternary 2012221201102201
4 Quaternary 1321202220031
5 Quinary 31124030021
6 Senary 3054521501
8 Octal 171425015
10 Decimal 31861261
12 Duodecimal a806291
16 Hexadecimal 1e62a0d
20 Vigesimal 9j2d31
36 Base36 iywb1

Cryptographic Hash Functions

md5 76bfc230ae5bf6e55b5b91c9f3c2a9be
sha1 09fe770524136c8a732d8ee1c638a0e8012e3155
sha256 d1f6eee57985df14c849ad7d49d572b618af5fa1d665d283898ebc9b4633c1b4
sha512 8a8588d1907bf39e7874b4ab27f6f647d99fb55b31da316b5344723098787f8ab5769cdecf131f962d1f6d8ed94edc331469c95e36ca954f3613257ec663ab16
ripemd-160 54435822c82ae8d022ac34362b83871b48df8db8

31861261 as geometric shapes

Circle

Radius = n
Diameter 63722522
Circumference 200190206.98341
Area 3.1891562171713E+15

Sphere

Radius = n
Volume 1.3548071814009E+23
Surface area 1.2756624868685E+16
Circumference 200190206.98341

Square

Length = n
Perimeter 127445044
Area 1015139952510121
Diagonal 45058627.420509

Cube

Length = n
Surface area 6090839715060726
Volume 3.2343638978453E+22
Space diagonal 55185322.845213

Equilateral Triangle

Length = n
Perimeter 95583783
Area 4.3956849363515E+14
Altitude 27592661.422606

Triangular Pyramid

Length = n
Surface area 4.3956849363515E+14
Volume 3.8117344083189E+21
Height 15019542.473503