28156989 (number)

28156989 is an odd 8-digits composite number following 28156988 and preceding 28156990. In scientific notation, it is written as 2.8156989 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 15940800 positive integers (up to 28156989) that are relatively prime to 28156989.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred fifty-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.8156989 × 10^7
Engineering notation 2.8156989 × 10^6

Prime Factorization of 28156989

Prime Factorization 3 × 7 × 109 × 12301

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28156989
Product of the distinct prime numbers

The prime factorization of 28156989 is 3 × 7 × 109 × 12301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 99, 34, 60, 393, 7072, 5817, 36935, 6008, 938824, 890844, 7963125, 694873, 92075305, 8543188, 773736209, 363909298, 3949734103, 336915892

Basic calculations (n = 28156989)

Multiplication

n×y
n×2 56313978
n×3 84470967
n×4 112627956
n×5 140784945

Division

n÷y
n÷2 14078494.5
n÷3 9385663
n÷3 7039247.25
n÷5 5631397.8

Exponentiation

ny
n2 792816029546121
n3 2.2323312222954E+22
n4 6.2855725670528E+29
n5 1.7698279762921E+37

Nth Root

y√n
2√n 5306.3159536537
3√n 304.2253530181
4√n 72.844464124968
5√n 30.897066118183

Divisors of 28156989

1, 3, 7, 21, 109, 327, 763, 2289, 12301, 36903, 86107, 258321, 1340809, 4022427, 9385663, 28156989

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 -28156988
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 28156989 can be divided by 16 positive divisors. The sum of these divisors (counting 28156989) is 1, the average is 0.0625.

Base conversion 28156989

Base System Value
2 Binary 1101011011010010000111101
3 Ternary 1221222112010110
4 Quaternary 1223122100331
5 Quinary 24202010424
6 Senary 2443300233
8 Octal 153322075
10 Decimal 28156989
12 Duodecimal 951a679
16 Hexadecimal 1ada43d
20 Vigesimal 8fjc99
36 Base36 gri2l

Cryptographic Hash Functions

md5 c8255ebdf1579b421b90db6fee87222f
sha1 a8e06fe93408a3586da57fa5ca783f939886cd26
sha256 f166cee4443eed9b33b03edd7e1a2d1573dee35d48da9d3b22e634cebebd997c
sha512 83fb9b62041b9deb1e42378d87576eff777cadc96ef8e63bc56492d665073d2e3c7d73a6105f2d4c3ad951ea83bc96baf576264b918b810bb65195e599c111ff
ripemd-160 d0face04651c3033ef12449caa3e7e334cacd661

28156989 as geometric shapes

Circle

Radius = n
Diameter 56313978
Circumference 176915579.57922
Area 2.4907050140703E+15

Sphere

Radius = n
Volume 9.3507671577897E+22
Surface area 9.9628200562813E+15
Circumference 176915579.57922

Square

Length = n
Perimeter 112627956
Area 792816029546121
Diagonal 39819995.71939

Cube

Length = n
Surface area 4756896177276726
Volume 2.2323312222954E+22
Space diagonal 48769335.536158

Equilateral Triangle

Length = n
Perimeter 84470967
Area 3.4329941105723E+14
Altitude 24384667.768079

Triangular Pyramid

Length = n
Surface area 3.4329941105723E+14
Volume 2.6308275752325E+21
Height 13273331.906463