28897908 (number)

28897908 is an even 8-digits composite number following 28897907 and preceding 28897909. In scientific notation, it is written as 2.8897908 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors. There are 8891616 positive integers (up to 28897908) that are relatively prime to 28897908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8897908 × 10^7
Engineering notation 2.8897908 × 10^6

Prime Factorization of 28897908

Prime Factorization 2 × 2 × 3 × 13 × 185243

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14448954
Product of the distinct prime numbers

The prime factorization of 28897908 is 2 × 2 × 3 × 13 × 185243. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 85, 8, 827, 70, 1066, 6671, 39002, 59245, 454553, 861325, 6296318, 7347561, 80746123, 12259683, 933074424, 542949651, 3275275279, 3168002311

Basic calculations (n = 28897908)

Multiplication

n×y
n×2 57795816
n×3 86693724
n×4 115591632
n×5 144489540

Division

n÷y
n÷2 14448954
n÷3 9632636
n÷3 7224477
n÷5 5779581.6

Exponentiation

ny
n2 835089086776464
n3 2.413232760147E+22
n4 6.9737378285315E+29
n5 2.0152643418502E+37

Nth Root

y√n
2√n 5375.6774456807
3√n 306.87073111949
4√n 73.319011488704
5√n 31.057985354196

Divisors of 28897908

1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 185243, 370486, 555729, 740972, 1111458, 2222916, 2408159, 4816318, 7224477, 9632636, 14448954, 28897908

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 -28897907
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 28897908 can be divided by 24 positive divisors. The sum of these divisors (counting 28897908) is 1, the average is 0.041666666666667.

Base conversion 28897908

Base System Value
2 Binary 1101110001111001001110100
3 Ternary 2000101011110220
4 Quaternary 1232033021310
5 Quinary 24344213113
6 Senary 2511214340
8 Octal 156171164
10 Decimal 28897908
12 Duodecimal 98173b0
16 Hexadecimal 1b8f274
20 Vigesimal 90c4f8
36 Base36 h7dro

Cryptographic Hash Functions

md5 c5e19ceef640779349ca15ee05ab15a6
sha1 0dc630b6116bf0bf9fc45a4f58fd2cc235e24ae9
sha256 d4655e47678c3c1311d64d58cb14d7cb455484df3da1ec28ae6ec079f4c60f40
sha512 fcc49800adc612083722fa0ec7acfdf07679697d5db8371b687a47f20f7fd65950f48d7fcd113b7a71f2d74640a7575a578add6fea4c52b2c31253a9d2cc0b22
ripemd-160 c5d4702e34690f4b1898b2ea38b256107ca2fa33

28897908 as geometric shapes

Circle

Radius = n
Diameter 57795816
Circumference 181570910.95383
Area 2.6235097401099E+15

Sphere

Radius = n
Volume 1.0108525747573E+23
Surface area 1.049403896044E+16
Circumference 181570910.95383

Square

Length = n
Perimeter 115591632
Area 835089086776464
Diagonal 40867813.41781

Cube

Length = n
Surface area 5010534520658784
Volume 2.413232760147E+22
Space diagonal 50052644.888451

Equilateral Triangle

Length = n
Perimeter 86693724
Area 3.6160418178578E+14
Altitude 25026322.444226

Triangular Pyramid

Length = n
Surface area 3.6160418178578E+14
Volume 2.8440220821358E+21
Height 13622604.472603