31187213 (number)

31187213 is an odd 8-digits composite number following 31187212 and preceding 31187214. In scientific notation, it is written as 3.1187213 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 31080480 positive integers (up to 31187213) that are relatively prime to 31187213.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred eighty-seven thousand two hundred thirteen

Notation

Scientific notation 3.1187213 × 10^7
Engineering notation 3.1187213 × 10^6

Prime Factorization of 31187213

Prime Factorization 293 × 106441

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31187213
Product of the distinct prime numbers

The prime factorization of 31187213 is 293 × 106441. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 9, 93, 15, 51, 258, 793, 8368, 93228, 47313, 824912, 79919, 2692386, 864311, 12441744, 34362294, 737395552, 561100382, 3160276318, 8734891491

Basic calculations (n = 31187213)

Multiplication

n×y
n×2 62374426
n×3 93561639
n×4 124748852
n×5 155936065

Division

n÷y
n÷2 15593606.5
n÷3 10395737.666667
n÷3 7796803.25
n÷5 6237442.6

Exponentiation

ny
n2 972642254707369
n3 3.0334001170359E+22
n4 9.4603295564223E+29
n5 2.9504131292634E+37

Nth Root

y√n
2√n 5584.551280094
3√n 314.76916993472
4√n 74.729855346401
5√n 31.535179929452

Divisors of 31187213

1, 293, 106441, 31187213

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31187212
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31187213 can be divided by 4 positive divisors. The sum of these divisors (counting 31187213) is 1, the average is 0.25.

Base conversion 31187213

Base System Value
2 Binary 1110110111110000100001101
3 Ternary 2011200110210222
4 Quaternary 1312332010031
5 Quinary 30440442323
6 Senary 3032241125
8 Octal 166760415
10 Decimal 31187213
12 Duodecimal a5401a5
16 Hexadecimal 1dbe10d
20 Vigesimal 9ei80d
36 Base36 ikg7h

Cryptographic Hash Functions

md5 63f249450ec84d4052692003d21c20bd
sha1 8685d2c4b93293c68e5c7fccf6778ec298f8f3a9
sha256 054ee232e90e9ccc9c67bc122b92d09f2f9c31cc1c3ea527f2a2af112ee27111
sha512 ff43662fc589b31397979e9796f55ab9c52939471ae3a20114a2e773c307eb0bd68c6355394325766b7bb64fd2d2f796352e757d35c0a75e5ec11b51dc840e75
ripemd-160 38d3ca26df14ebad1c3c36420db3ca03bd973ee1

31187213 as geometric shapes

Circle

Radius = n
Diameter 62374426
Circumference 195955038.49348
Area 3.0556457619597E+15

Sphere

Radius = n
Volume 1.2706276697438E+23
Surface area 1.2222583047839E+16
Circumference 195955038.49348

Square

Length = n
Perimeter 124748852
Area 972642254707369
Diagonal 44105379.597219

Cube

Length = n
Surface area 5835853528244214
Volume 3.0334001170359E+22
Space diagonal 54017837.462473

Equilateral Triangle

Length = n
Perimeter 93561639
Area 4.2116645068538E+14
Altitude 27008918.731236

Triangular Pyramid

Length = n
Surface area 4.2116645068538E+14
Volume 3.5748963213469E+21
Height 14701793.199073