28807908 (number)

28807908 is an even 8-digits composite number following 28807907 and preceding 28807909. In scientific notation, it is written as 2.8807908 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 9576864 positive integers (up to 28807908) that are relatively prime to 28807908.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred seven thousand nine hundred eight

Notation

Scientific notation 2.8807908 × 10^7
Engineering notation 2.8807908 × 10^6

Prime Factorization of 28807908

Prime Factorization 2 × 2 × 3 × 397 × 6047

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14403954
Product of the distinct prime numbers

The prime factorization of 28807908 is 2 × 2 × 3 × 397 × 6047. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 82, 18, 43, 521, 2241, 6876, 97434, 31819, 324245, 478733, 161951, 1788411, 25681709, 746768, 875376321, 827631696, 615226303, 2225007429

Basic calculations (n = 28807908)

Multiplication

n×y
n×2 57615816
n×3 86423724
n×4 115231632
n×5 144039540

Division

n÷y
n÷2 14403954
n÷3 9602636
n÷3 7201977
n÷5 5761581.6

Exponentiation

ny
n2 829895563336464
n3 2.3907555038205E+22
n4 6.8872664604555E+29
n5 1.9840773856429E+37

Nth Root

y√n
2√n 5367.2998798278
3√n 306.55182582974
4√n 73.261858288115
5√n 31.038615734855

Divisors of 28807908

1, 2, 3, 4, 6, 12, 397, 794, 1191, 1588, 2382, 4764, 6047, 12094, 18141, 24188, 36282, 72564, 2400659, 4801318, 7201977, 9602636, 14403954, 28807908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28807907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28807908 can be divided by 24 positive divisors. The sum of these divisors (counting 28807908) is 1, the average is 0.041666666666667.

Base conversion 28807908

Base System Value
2 Binary 1101101111001001011100100
3 Ternary 2000012121000120
4 Quaternary 1231321023210
5 Quinary 24333323113
6 Senary 2505241540
8 Octal 155711344
10 Decimal 28807908
12 Duodecimal 97932b0
16 Hexadecimal 1b792e4
20 Vigesimal 900jf8
36 Base36 h5gbo

Cryptographic Hash Functions

md5 295e2277dc55baec5bbb954285ca2586
sha1 d52a7ab859a7bee4886198262b9d5f1d62e37936
sha256 9d0c98d1390d1ddb397e17248eaed539c9a16158bafd186f005a37d35a7f42a8
sha512 dc446914a45048bb9331d6d1e54980d4c3c2dfc9ba71639a5b8578c304f6f897a12d862410c4752a9bee2c1df19bdc5b36a97f7d6673c82be3717a0b6f7c29d2
ripemd-160 a57fef9a0fcd1bb1d472c971d2476974ff6493f5

28807908 as geometric shapes

Circle

Radius = n
Diameter 57615816
Circumference 181005424.27618
Area 2.6071938050246E+15

Sphere

Radius = n
Volume 1.0014373236442E+23
Surface area 1.0428775220098E+16
Circumference 181005424.27618

Square

Length = n
Perimeter 115231632
Area 829895563336464
Diagonal 40740534.197196

Cube

Length = n
Surface area 4979373380018784
Volume 2.3907555038205E+22
Space diagonal 49896760.31577

Equilateral Triangle

Length = n
Perimeter 86423724
Area 3.5935532016869E+14
Altitude 24948380.157885

Triangular Pyramid

Length = n
Surface area 3.5935532016869E+14
Volume 2.8175323815176E+21
Height 13580178.065732