27989957 is an odd 8-digits composite number following 27989956
and preceding 27989958 . In scientific notation, it is written as 2.7989957 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 27246352 positive integers (up to 27989957) that are relatively prime to 27989957.
27989957 has 8 divisors, whose sum is 28740096
The reverse of 27989957 is 75998972
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
twenty-seven million nine hundred eighty-nine thousand nine hundred fifty-seven
Scientific notation
2.7989957 × 10^7
Engineering notation
2.7989957 × 10^6
Prime Factorization
47 × 197 × 3023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27989957
Product of the distinct prime numbers
The prime factorization of 27989957 is 47 × 197 × 3023.
Since it has a total of 3 prime factors.
4 , 8 , 16 , 33 , 200 , 211 , 8846 , 344 , 71612 , 75935 , 575060 , 383524 , 1630515 , 6475611 , 22776718 , 95025375 , 409034912 , 922819707 , 736102577 , 9342474920
n×2
55979914
n×3
83969871
n×4
111959828
n×5
139949785
n÷2
13994978.5
n÷3
9329985.6666667
n÷3
6997489.25
n÷5
5597991.4
n2
783437692861849
n3
2.1928387335382E+22
n4
6.137746185967E+29
n5
1.7179525182213E+37
2 √n
5290.5535627191
3 √n
303.62258753291
4 √n
72.736191560454
5 √n
30.860321504564
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27989956
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27989957 can be divided by 8 positive divisors.
The sum of these divisors (counting 27989957) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110001011111000101
3
Ternary
1221200001000002
4
Quaternary
1222301133011
5
Quinary
24131134312
6
Senary
2435531045
8
Octal
152613705
10
Decimal
27989957
12
Duodecimal
9459a85
16
Hexadecimal
1ab17c5
20
Vigesimal
8eiehh
36
Base36
gnx6t
md5
defe44905f2b91a62b431b3677c0dda3
sha1
6162ad4c7841636f674dbb0fe5f0177304377f1a
sha256
062596b6e986a0cb8f436ae7b929e5b0c587a1bd980c1d46a71bd4791ae3abf7
sha512
b314f03a00bdf5ad464795e3dd72d98722be90b5ab8d4ba7cc43a2220309ff936e55809f9c3961902feb6f79c71e0238c0bc7cee3cd9fffff8e677635990c71b
ripemd-160
af408f4306d1142b694baef3b70f03ce05848607
Diameter
55979914
Circumference
175866086.57099
Area
2.4612421004401E+15
Volume
9.1853414077212E+22
Surface area
9.8449684017605E+15
Circumference
175866086.57099
Perimeter
111959828
Area
783437692861849
Diagonal
39583776.79964
Surface area
4700626157171094
Volume
2.1928387335382E+22
Space diagonal
48480027.625668
Perimeter
83969871
Area
3.3923847215032E+14
Altitude
24240013.812834
Surface area
3.3923847215032E+14
Volume
2.584285230889E+21
Height
13194592.266547