28679915 (number)

28679915 is an odd 8-digits composite number following 28679914 and preceding 28679916. In scientific notation, it is written as 2.8679915 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 20766720 positive integers (up to 28679915) that are relatively prime to 28679915.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-nine thousand nine hundred fifteen

Notation

Scientific notation 2.8679915 × 10^7
Engineering notation 2.8679915 × 10^6

Prime Factorization of 28679915

Prime Factorization 5 × 11 × 257 × 2029

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28679915
Product of the distinct prime numbers

The prime factorization of 28679915 is 5 × 11 × 257 × 2029. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 43, 32, 939, 282, 9965, 5821, 77515, 50550, 115015, 461171, 5293110, 4884006, 95481073, 431579, 476009723, 878219924, 2149305551, 9930096584

Basic calculations (n = 28679915)

Multiplication

n×y
n×2 57359830
n×3 86039745
n×4 114719660
n×5 143399575

Division

n÷y
n÷2 14339957.5
n÷3 9559971.6666667
n÷3 7169978.75
n÷5 5735983

Exponentiation

ny
n2 822537524407225
n3 2.359030628431E+22
n4 6.7656797905797E+29
n5 1.9403912131104E+37

Nth Root

y√n
2√n 5355.3631996345
3√n 306.09715043647
4√n 73.180347086049
5√n 31.010985788786

Divisors of 28679915

1, 5, 11, 55, 257, 1285, 2029, 2827, 10145, 14135, 22319, 111595, 521453, 2607265, 5735983, 28679915

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 -28679914
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 28679915 can be divided by 16 positive divisors. The sum of these divisors (counting 28679915) is 1, the average is 0.0625.

Base conversion 28679915

Base System Value
2 Binary 1101101011001111011101011
3 Ternary 1222222002110002
4 Quaternary 1231121323223
5 Quinary 24320224130
6 Senary 2502413215
8 Octal 155317353
10 Decimal 28679915
12 Duodecimal 973120b
16 Hexadecimal 1b59eeb
20 Vigesimal 8j4jff
36 Base36 h2pkb

Cryptographic Hash Functions

md5 30e53b35555044d47c590540b69e2859
sha1 f3a6376006020148db752b8536c8cc64f6783a7d
sha256 39bb0b12468182d90fad8493b25617137a1c16808568ad2139e217c10665f889
sha512 634f625a506d934437120e1742dc35d51e5858971e0340d3b92e3c07153bf6315bcd0ba6ede7c1ae0db940dc244d6512c03689906c91c44d8538bf65e2bf8e92
ripemd-160 7a5cdfa805a8acae6ade5df65f3ca355e93cc9b7

28679915 as geometric shapes

Circle

Radius = n
Diameter 57359830
Circumference 180201220.53916
Area 2.5840778439797E+15

Sphere

Radius = n
Volume 9.8814843891627E+22
Surface area 1.0336311375919E+16
Circumference 180201220.53916

Square

Length = n
Perimeter 114719660
Area 822537524407225
Diagonal 40559524.760708

Cube

Length = n
Surface area 4935225146443350
Volume 2.359030628431E+22
Space diagonal 49675069.936757

Equilateral Triangle

Length = n
Perimeter 86039745
Area 3.5616919585131E+14
Altitude 24837534.968378

Triangular Pyramid

Length = n
Surface area 3.5616919585131E+14
Volume 2.7801442573172E+21
Height 13519841.586903