28949938 (number)

28949938 is an even 8-digits composite number following 28949937 and preceding 28949939. In scientific notation, it is written as 2.8949938 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 14401296 positive integers (up to 28949938) that are relatively prime to 28949938.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred forty-nine thousand nine hundred thirty-eight

Notation

Scientific notation 2.8949938 × 10^7
Engineering notation 2.8949938 × 10^6

Prime Factorization of 28949938

Prime Factorization 2 × 197 × 73477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28949938
Product of the distinct prime numbers

The prime factorization of 28949938 is 2 × 197 × 73477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28949938)

Multiplication

n×y
n×2 57899876
n×3 86849814
n×4 115799752
n×5 144749690

Division

n÷y
n÷2 14474969
n÷3 9649979.3333333
n÷3 7237484.5
n÷5 5789987.6

Exponentiation

ny
n2 838098910203844
n3 2.4262911488269E+22
n4 7.0240978328487E+29
n5 2.033471967669E+37

Nth Root

y√n
2√n 5380.5146593983
3√n 307.05479186289
4√n 73.351991516238
5√n 31.069161142034

Divisors of 28949938

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 -28949937
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 28949938 can be divided by 8 positive divisors. The sum of these divisors (counting 28949938) is 1, the average is 0.125.

Base conversion 28949938

Base System Value
2 Binary 1101110011011110110110010
3 Ternary 2000110210211221
4 Quaternary 1232123312302
5 Quinary 24402344223
6 Senary 2512255254
8 Octal 156336662
10 Decimal 28949938
12 Duodecimal 984152a
16 Hexadecimal 1b9bdb2
20 Vigesimal 90iegi
36 Base36 h8hwy

Cryptographic Hash Functions

md5 cfa36ee6c2ff35d7a0e5aaf777bd7587
sha1 60016b0cccc79eb516eac8ae3519308d6f210190
sha256 66c996d3d99f07d444ed701cd9973509291200361cc4cd5e31383c4919701c58
sha512 2b8b934cba77ba2b5d280085a2659b1f076033f4efdcdc519cac558421d7d3ab6dceb17e4dda3ce3cdb00785c39389abd7117945d478391ccfa3a16f61d11620
ripemd-160 af0b2561e6c8df41c1fe1550c0d57e9efde47fc2

28949938 as geometric shapes

Circle

Radius = n
Diameter 57899876
Circumference 181897825.08536
Area 2.632965379278E+15

Sphere

Radius = n
Volume 1.0163224598166E+23
Surface area 1.0531861517112E+16
Circumference 181897825.08536

Square

Length = n
Perimeter 115799752
Area 838098910203844
Diagonal 40941394.94946

Cube

Length = n
Surface area 5028593461223064
Volume 2.4262911488269E+22
Space diagonal 50142763.491969

Equilateral Triangle

Length = n
Perimeter 86849814
Area 3.6290747356029E+14
Altitude 25071381.745984

Triangular Pyramid

Length = n
Surface area 3.6290747356029E+14
Volume 2.8594115407806E+21
Height 13647131.64982