28989870 (number)

28989870 is an even 8-digits composite number following 28989869 and preceding 28989871. In scientific notation, it is written as 2.8989870 × 10^7. The sum of its digits is 51. It has a total of 6 prime factors and 64 positive divisors. There are 5806080 positive integers (up to 28989870) that are relatively prime to 28989870.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8989870 × 10^7
Engineering notation 2.8989870 × 10^6

Prime Factorization of 28989870

Prime Factorization 2 × 3 × 455 × 7 × 41 × 37

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 28989870
Product of the distinct prime numbers

The prime factorization of 28989870 is 2 × 3 × 455 × 7 × 41 × 37. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28989870)

Multiplication

n×y
n×2 57979740
n×3 86969610
n×4 115959480
n×5 144949350

Division

n÷y
n÷2 14494935
n÷3 9663290
n÷3 7247467.5
n÷5 5797974

Exponentiation

ny
n2 840412562616900
n3 2.4363450936631E+22
n4 7.062932754043E+29
n5 2.0475350235845E+37

Nth Root

y√n
2√n 5384.2241780966
3√n 307.19590533415
4√n 73.377272899016
5√n 31.077727445644

Divisors of 28989870

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28989869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28989870 can be divided by 64 positive divisors. The sum of these divisors (counting 28989870) is 1, the average is 0.015625.

Base conversion 28989870

Base System Value
2 Binary 1101110100101100110101110
3 Ternary 2000112211121220
4 Quaternary 1232211212232
5 Quinary 24410133440
6 Senary 2513204210
8 Octal 156454656
10 Decimal 28989870
12 Duodecimal 9860666
16 Hexadecimal 1ba59ae
20 Vigesimal 913eda
36 Base36 h9cq6

Cryptographic Hash Functions

md5 0dd5e3fe30d0b14cac6369d0ac5382d5
sha1 9f8ee289c9ed6afacba329ab75d52f3915d7a551
sha256 c0442203e69134cf27c636bb68f7f264140ec016af9b043257cb062d5f1c9dc1
sha512 b96068f5ff4b16ee5b4395725176e94b1dafc0bacb91711347c37f3d8d90910c57305869da044d44472c46953707291d7de6804cf560308e49c2606014de146b
ripemd-160 a11a2f15919a5fff8c93b07a976ac8fc45398cf6

28989870 as geometric shapes

Circle

Radius = n
Diameter 57979740
Circumference 182148725.24105
Area 2.6402339327018E+15

Sphere

Radius = n
Volume 1.0205338463815E+23
Surface area 1.0560935730807E+16
Circumference 182148725.24105

Square

Length = n
Perimeter 115959480
Area 840412562616900
Diagonal 40997867.325433

Cube

Length = n
Surface area 5042475375701400
Volume 2.4363450936631E+22
Space diagonal 50211927.744817

Equilateral Triangle

Length = n
Perimeter 86969610
Area 3.6390931444291E+14
Altitude 25105963.872408

Triangular Pyramid

Length = n
Surface area 3.6390931444291E+14
Volume 2.8712602283996E+21
Height 13665955.775144