28990908 (number)

28990908 is an even 8-digits composite number following 28990907 and preceding 28990909. In scientific notation, it is written as 2.8990908 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 9638400 positive integers (up to 28990908) that are relatively prime to 28990908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8990908 × 10^7
Engineering notation 2.8990908 × 10^6

Prime Factorization of 28990908

Prime Factorization 2 × 2 × 9 × 503 × 1601

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14495454
Product of the distinct prime numbers

The prime factorization of 28990908 is 2 × 2 × 9 × 503 × 1601. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 47, 52, 308, 835, 3461, 761, 45863, 95334, 922565, 101959, 3041212, 603450, 14088154, 75695801, 954991672, 405064488, 9434805043, 436356514

Basic calculations (n = 28990908)

Multiplication

n×y
n×2 57981816
n×3 86972724
n×4 115963632
n×5 144954540

Division

n÷y
n÷2 14495454
n÷3 9663636
n÷3 7247727
n÷5 5798181.6

Exponentiation

ny
n2 840472746664464
n3 2.4366068075057E+22
n4 7.0639443788571E+29
n5 2.0479016160456E+37

Nth Root

y√n
2√n 5384.3205699512
3√n 307.19957173606
4√n 73.377929719714
5√n 31.077949993859

Divisors of 28990908

1, 2, 4, 9, 18, 36, 503, 1006, 1601, 2012, 3202, 4527, 6404, 9054, 14409, 18108, 28818, 57636, 805303, 1610606, 3221212, 7247727, 14495454, 28990908

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 -28990907
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 28990908 can be divided by 24 positive divisors. The sum of these divisors (counting 28990908) is 1, the average is 0.041666666666667.

Base conversion 28990908

Base System Value
2 Binary 1101110100101110110111100
3 Ternary 2000112220001100
4 Quaternary 1232211312330
5 Quinary 24410202113
6 Senary 2513213100
8 Octal 156456674
10 Decimal 28990908
12 Duodecimal 9861190
16 Hexadecimal 1ba5dbc
20 Vigesimal 913h58
36 Base36 h9dj0

Cryptographic Hash Functions

md5 5e2188781041bfd6f8866c149866100a
sha1 07a1f3b4dbbf82254c49791bc5fe403bf0748db5
sha256 0d50924625a9e3c953fcef044f304cb9e6d8ad408230641370a0378a5dadda3f
sha512 4c6c88d5ec59d6f502526d5b06ac6075d3330e5776c8460395fd8b316f9e98fd0a0276f2aa7af4e7b4369ef1f5145235ac2416c9526473c0aa83f2455ddf1d02
ripemd-160 4441c099c9311a6f35282ebd91aba5daf150c806

28990908 as geometric shapes

Circle

Radius = n
Diameter 57981816
Circumference 182155247.1874
Area 2.6404230064635E+15

Sphere

Radius = n
Volume 1.0206434728196E+23
Surface area 1.0561692025854E+16
Circumference 182155247.1874

Square

Length = n
Perimeter 115963632
Area 840472746664464
Diagonal 40999335.279111

Cube

Length = n
Surface area 5042836479986784
Volume 2.4366068075057E+22
Space diagonal 50213725.613555

Equilateral Triangle

Length = n
Perimeter 86972724
Area 3.6393537489995E+14
Altitude 25106862.806778

Triangular Pyramid

Length = n
Surface area 3.6393537489995E+14
Volume 2.8715686611209E+21
Height 13666445.093037