28395938 (number)

28395938 is an even 8-digits composite number following 28395937 and preceding 28395939. In scientific notation, it is written as 2.8395938 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 13141920 positive integers (up to 28395938) that are relatively prime to 28395938.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-five thousand nine hundred thirty-eight

Notation

Scientific notation 2.8395938 × 10^7
Engineering notation 2.8395938 × 10^6

Prime Factorization of 28395938

Prime Factorization 2 × 23 × 31 × 19913

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28395938
Product of the distinct prime numbers

The prime factorization of 28395938 is 2 × 23 × 31 × 19913. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 29, 9, 331, 954, 1301, 7231, 36470, 44224, 117944, 208490, 8798984, 5162518, 19167936, 16697120, 841537043, 202642713, 9874214533, 1870922129

Basic calculations (n = 28395938)

Multiplication

n×y
n×2 56791876
n×3 85187814
n×4 113583752
n×5 141979690

Division

n÷y
n÷2 14197969
n÷3 9465312.6666667
n÷3 7098984.5
n÷5 5679187.6

Exponentiation

ny
n2 806329294899844
n3 2.289647666556E+22
n4 6.5016693181368E+29
n5 1.8462099885431E+37

Nth Root

y√n
2√n 5328.7839138025
3√n 305.0835138142
4√n 72.998519942547
5√n 30.949329438869

Divisors of 28395938

1, 2, 23, 31, 46, 62, 713, 1426, 19913, 39826, 457999, 617303, 915998, 1234606, 14197969, 28395938

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28395937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28395938 can be divided by 16 positive divisors. The sum of these divisors (counting 28395938) is 1, the average is 0.0625.

Base conversion 28395938

Base System Value
2 Binary 1101100010100100110100010
3 Ternary 1222102122220102
4 Quaternary 1230110212202
5 Quinary 24232132223
6 Senary 2452342402
8 Octal 154244642
10 Decimal 28395938
12 Duodecimal 9614a02
16 Hexadecimal 1b149a2
20 Vigesimal 8h99gi
36 Base36 gwmg2

Cryptographic Hash Functions

md5 923190287904439ad854440dc35dccb2
sha1 2b466270910f88c6021937a603e756d0f9c00a69
sha256 ead283116a85179bec4239b0ef623f45c9fd0e4846c973923cb100625df6b0dc
sha512 5e4cd7b6f3ba8e2c6c151e0165bc1d2420c00a6915424cec275ce428e72b27fb56c386fa13f8660edd55ec3043cebfc3fe4094fdcc52e15d10eadaca0c2c80ec
ripemd-160 49f6dd9bba05b96ed683a013029ab33b4bfa8382

28395938 as geometric shapes

Circle

Radius = n
Diameter 56791876
Circumference 178416940.42518
Area 2.5331581892316E+15

Sphere

Radius = n
Volume 9.5908537180817E+22
Surface area 1.0132632756926E+16
Circumference 178416940.42518

Square

Length = n
Perimeter 113583752
Area 806329294899844
Diagonal 40157920.635906

Cube

Length = n
Surface area 4837975769399064
Volume 2.289647666556E+22
Space diagonal 49183207.344576

Equilateral Triangle

Length = n
Perimeter 85187814
Area 3.4915082659943E+14
Altitude 24591603.672288

Triangular Pyramid

Length = n
Surface area 3.4915082659943E+14
Volume 2.6983756525828E+21
Height 13385973.545302