30949987 (number)

30949987 is an odd 8-digits composite number following 30949986 and preceding 30949988. In scientific notation, it is written as 3.0949987 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 30938760 positive integers (up to 30949987) that are relatively prime to 30949987.

Interesting facts

Basic properties

Name

Name thirty million nine hundred forty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 3.0949987 × 10^7
Engineering notation 3.0949987 × 10^6

Prime Factorization of 30949987

Prime Factorization 4861 × 6367

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30949987
Product of the distinct prime numbers

The prime factorization of 30949987 is 4861 × 6367. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30949987)

Multiplication

n×y
n×2 61899974
n×3 92849961
n×4 123799948
n×5 154749935

Division

n÷y
n÷2 15474993.5
n÷3 10316662.333333
n÷3 7737496.75
n÷5 6189997.4

Exponentiation

ny
n2 957901695300169
n3 2.9647045016818E+22
n4 9.1757565785894E+29
n5 2.8398954682251E+37

Nth Root

y√n
2√n 5563.2712499032
3√n 313.96903896386
4√n 74.587339742769
5√n 31.487058728884

Divisors of 30949987

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 -30949986
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 30949987 can be divided by 4 positive divisors. The sum of these divisors (counting 30949987) is 1, the average is 0.25.

Base conversion 30949987

Base System Value
2 Binary 1110110000100001001100011
3 Ternary 2011020102101211
4 Quaternary 1312010021203
5 Quinary 30410344422
6 Senary 3023210551
8 Octal 166041143
10 Decimal 30949987
12 Duodecimal a446a57
16 Hexadecimal 1d84263
20 Vigesimal 9d8ej7
36 Base36 ifd5v

Cryptographic Hash Functions

md5 02fac04824e5e0fd4cd39e8baea0aff9
sha1 c3405584930cd8e4e5bcb3badd7c7056ad0c1d20
sha256 6a64b22b15f6f562ae3644949c09bce3a2fc2f822b85da645635d4fe67efd2d0
sha512 089c9a0de7706a55b60dd95b329ec9ea2befbac1721049e34439ba84f7bcd1fed87d1c0cf39b8711567363f5e5366d28b98e1d9c6aac22b061bc2b763f1a957f
ripemd-160 84ece02a41cd634b9d5dbaaca3af808e09741b9c

30949987 as geometric shapes

Circle

Radius = n
Diameter 61899974
Circumference 194464503.5758
Area 3.0093369288162E+15

Sphere

Radius = n
Volume 1.2418525176731E+23
Surface area 1.2037347715265E+16
Circumference 194464503.5758

Square

Length = n
Perimeter 123799948
Area 957901695300169
Diagonal 43769891.370671

Cube

Length = n
Surface area 5747410171801014
Volume 2.9647045016818E+22
Space diagonal 53606949.977596

Equilateral Triangle

Length = n
Perimeter 92849961
Area 4.1478360122906E+14
Altitude 26803474.988798

Triangular Pyramid

Length = n
Surface area 4.1478360122906E+14
Volume 3.4939377622558E+21
Height 14589963.790224