30486978 (number)

30486978 is an even 8-digits composite number following 30486977 and preceding 30486979. In scientific notation, it is written as 3.0486978 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 9970272 positive integers (up to 30486978) that are relatively prime to 30486978.

Interesting facts

Basic properties

Name

Name thirty million four hundred eighty-six thousand nine hundred seventy-eight

Notation

Scientific notation 3.0486978 × 10^7
Engineering notation 3.0486978 × 10^6

Prime Factorization of 30486978

Prime Factorization 2 × 477 × 31957

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30486978
Product of the distinct prime numbers

The prime factorization of 30486978 is 2 × 477 × 31957. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30486978)

Multiplication

n×y
n×2 60973956
n×3 91460934
n×4 121947912
n×5 152434890

Division

n÷y
n÷2 15243489
n÷3 10162326
n÷3 7621744.5
n÷5 6097395.6

Exponentiation

ny
n2 929455827572484
n3 2.8336299367174E+22
n4 8.6388813540845E+29
n5 2.6337338578658E+37

Nth Root

y√n
2√n 5521.5014262427
3√n 312.39551664356
4√n 74.306806055991
5√n 31.392281164798

Divisors of 30486978

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30486977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30486978 can be divided by 8 positive divisors. The sum of these divisors (counting 30486978) is 1, the average is 0.125.

Base conversion 30486978

Base System Value
2 Binary 1110100010011000111000010
3 Ternary 2010100220021100
4 Quaternary 1310103013002
5 Quinary 30301040403
6 Senary 3005235230
8 Octal 164230702
10 Decimal 30486978
12 Duodecimal a262b16
16 Hexadecimal 1d131c2
20 Vigesimal 9aah8i
36 Base36 i5fwi

Cryptographic Hash Functions

md5 6647f0972a84ffaa901d71d1fab2752b
sha1 06c7b53d1cc7c7e1e57e254b1f3b7c0c063c0886
sha256 c32e17cc3787e50199aa448827255f0c0c7e1b97bab94752b1de7c99c51582ff
sha512 26ac457921d856bb5f6bbbd9463a8a7a58bd1c74629624cdbdb7f4320387a2f0dae98924fa2fd3e355021bf4b7b62ef2257083b4e65e6ea7cfda997dd62623b7
ripemd-160 edce808590e380ebf406ffcfe4234e84e33f31cf

30486978 as geometric shapes

Circle

Radius = n
Diameter 60973956
Circumference 191555332.22991
Area 2.9199715997379E+15

Sphere

Radius = n
Volume 1.1869481322911E+23
Surface area 1.1679886398952E+16
Circumference 191555332.22991

Square

Length = n
Perimeter 121947912
Area 929455827572484
Diagonal 43115097.76337

Cube

Length = n
Surface area 5576734965434904
Volume 2.8336299367174E+22
Space diagonal 52804994.865235

Equilateral Triangle

Length = n
Perimeter 91460934
Area 4.0246617918663E+14
Altitude 26402497.432617

Triangular Pyramid

Length = n
Surface area 4.0246617918663E+14
Volume 3.3394649060435E+21
Height 14371699.254457