28879938 (number)

28879938 is an even 8-digits composite number following 28879937 and preceding 28879939. In scientific notation, it is written as 2.8879938 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 9626640 positive integers (up to 28879938) that are relatively prime to 28879938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8879938 × 10^7
Engineering notation 2.8879938 × 10^6

Prime Factorization of 28879938

Prime Factorization 2 × 9 × 1604441

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28879938
Product of the distinct prime numbers

The prime factorization of 28879938 is 2 × 9 × 1604441. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 29, 54, 440, 993, 6674, 5900, 38537, 35279, 131354, 866367, 9167163, 3391637, 44334927, 14961181, 369234542, 811676324, 6631285217, 635404882

Basic calculations (n = 28879938)

Multiplication

n×y
n×2 57759876
n×3 86639814
n×4 115519752
n×5 144399690

Division

n÷y
n÷2 14439969
n÷3 9626646
n÷3 7219984.5
n÷5 5775987.6

Exponentiation

ny
n2 834050818883844
n3 2.4087335938215E+22
n4 6.9564076848081E+29
n5 2.0090062263998E+37

Nth Root

y√n
2√n 5374.005768512
3√n 306.80710932283
4√n 73.30761057702
5√n 31.054121746684

Divisors of 28879938

1, 2, 9, 18, 1604441, 3208882, 14439969, 28879938

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 -28879937
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 28879938 can be divided by 8 positive divisors. The sum of these divisors (counting 28879938) is 1, the average is 0.125.

Base conversion 28879938

Base System Value
2 Binary 1101110001010110001000010
3 Ternary 2000100020211100
4 Quaternary 1232022301002
5 Quinary 24343124223
6 Senary 2510555230
8 Octal 156126102
10 Decimal 28879938
12 Duodecimal 9808b16
16 Hexadecimal 1b8ac42
20 Vigesimal 909jgi
36 Base36 h6zwi

Cryptographic Hash Functions

md5 a86bf46be8afd3161c865ab0472b84d8
sha1 7dd81f1b91d1f595061c5815de4bd47c90f0e55d
sha256 61fe6f7e6745a54cd4876076441f89c83060b1c21643312183d59b8207ef32bf
sha512 4ba5731d9070a870a60b18b600d6f26c1022b7e3469a7ed65c755e9d68c03dc8d5527b2bf1b91419d7519a079e5dc9097fd678fd21e494b29380bac95721f132
ripemd-160 9959ede280b7ad7aaebfc2d714402247b62bc8c7

28879938 as geometric shapes

Circle

Radius = n
Diameter 57759876
Circumference 181458002.11386
Area 2.620247925326E+15

Sphere

Radius = n
Volume 1.0089679683739E+23
Surface area 1.0480991701304E+16
Circumference 181458002.11386

Square

Length = n
Perimeter 115519752
Area 834050818883844
Diagonal 40842400.000094

Cube

Length = n
Surface area 5004304913303064
Volume 2.4087335938215E+22
Space diagonal 50021519.935439

Equilateral Triangle

Length = n
Perimeter 86639814
Area 3.6115459860031E+14
Altitude 25010759.96772

Triangular Pyramid

Length = n
Surface area 3.6115459860031E+14
Volume 2.8387197637717E+21
Height 13614133.333365