28821738 (number)

28821738 is an even 8-digits composite number following 28821737 and preceding 28821739. In scientific notation, it is written as 2.8821738 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 8733840 positive integers (up to 28821738) that are relatively prime to 28821738.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.8821738 × 10^7
Engineering notation 2.8821738 × 10^6

Prime Factorization of 28821738

Prime Factorization 2 × 3 × 11 × 436693

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28821738
Product of the distinct prime numbers

The prime factorization of 28821738 is 2 × 3 × 11 × 436693. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 33, 27, 832, 52, 2331, 5347, 86299, 62721, 388268, 17728, 836341, 2339071, 45210825, 97958985, 640828174, 221100939, 4485659347, 3910506747

Basic calculations (n = 28821738)

Multiplication

n×y
n×2 57643476
n×3 86465214
n×4 115286952
n×5 144108690

Division

n÷y
n÷2 14410869
n÷3 9607246
n÷3 7205434.5
n÷5 5764347.6

Exponentiation

ny
n2 830692581340644
n3 2.3942003937944E+22
n4 6.9005016469438E+29
n5 1.9888445053678E+37

Nth Root

y√n
2√n 5368.5880825409
3√n 306.60087409206
4√n 73.270649529951
5√n 31.041595344812

Divisors of 28821738

1, 2, 3, 6, 11, 22, 33, 66, 436693, 873386, 1310079, 2620158, 4803623, 9607246, 14410869, 28821738

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 -28821737
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 28821738 can be divided by 16 positive divisors. The sum of these divisors (counting 28821738) is 1, the average is 0.0625.

Base conversion 28821738

Base System Value
2 Binary 1101101111100100011101010
3 Ternary 2000020021222210
4 Quaternary 1231330203222
5 Quinary 24334243423
6 Senary 2505425550
8 Octal 155744352
10 Decimal 28821738
12 Duodecimal 979b2b6
16 Hexadecimal 1b7c8ea
20 Vigesimal 902e6i
36 Base36 h5qzu

Cryptographic Hash Functions

md5 091c0e0c401697b5c7f0db63ec500d7b
sha1 d5fce5e8bf41ffbfbbc5c18866d5767d31926a5a
sha256 710556a04850958b89f5232cca9d502dd91e2eff080cc9ba1fe6c950a296a928
sha512 73a78b2c6b33d697a0278b760997e0c23522201833fd3bee615f4c505f684a782cc1ac92753db07891ae2bc6e22dd40f354b54864e1d5ccf050dd5080cbcdbf6
ripemd-160 5b806e5f703825a75cef547172c02b3f7fe2dd15

28821738 as geometric shapes

Circle

Radius = n
Diameter 57643476
Circumference 181092320.72898
Area 2.6096977109313E+15

Sphere

Radius = n
Volume 1.0028803157822E+23
Surface area 1.0438790843725E+16
Circumference 181092320.72898

Square

Length = n
Perimeter 115286952
Area 830692581340644
Diagonal 40760092.770764

Cube

Length = n
Surface area 4984155488043864
Volume 2.3942003937944E+22
Space diagonal 49920714.578439

Equilateral Triangle

Length = n
Perimeter 86465214
Area 3.5970043908813E+14
Altitude 24960357.289219

Triangular Pyramid

Length = n
Surface area 3.5970043908813E+14
Volume 2.8215922232858E+21
Height 13586697.590255