27989878 is an even 8-digits composite number following 27989877
and preceding 27989879 . In scientific notation, it is written as 2.7989878 × 10^7.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 11995620 positive integers (up to 27989878) that are relatively prime to 27989878.
27989878 has 12 divisors, whose sum is 48839652
The reverse of 27989878 is 87898972
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 58
Digital Root 4
Name
twenty-seven million nine hundred eighty-nine thousand eight hundred seventy-eight
Scientific notation
2.7989878 × 10^7
Engineering notation
2.7989878 × 10^6
Prime Factorization
2 × 7 × 7 × 285611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3998554
Product of the distinct prime numbers
The prime factorization of 27989878 is 2 × 7 × 7 × 285611.
Since it has a total of 4 prime factors.
10 , 9 , 98 , 29 , 983 , 748 , 4640 , 9963 , 54670 , 35905 , 981007 , 983573 , 5039952 , 9352081 , 56241163 , 67677229 , 206712484 , 186201859 , 4576898433 , 6552213538
n×2
55979756
n×3
83969634
n×4
111959512
n×5
139949390
n÷2
13994939
n÷3
9329959.3333333
n÷3
6997469.5
n÷5
5597975.6
n2
783433270454884
n3
2.1928201661173E+22
n4
6.1376768925564E+29
n5
1.7179282742607E+37
2 √n
5290.5460965764
3 √n
303.62230188037
4 √n
72.736140236999
5 √n
30.860304084258
1 , 2 , 7 , 14 , 49 , 98 , 285611 , 571222 , 1999277 , 3998554 , 13994939 , 27989878
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27989877
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27989878 can be divided by 12 positive divisors.
The sum of these divisors (counting 27989878) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101010110001011101110110
3
Ternary
1221200000220011
4
Quaternary
1222301131312
5
Quinary
24131134003
6
Senary
2435530434
8
Octal
152613566
10
Decimal
27989878
12
Duodecimal
9459a1a
16
Hexadecimal
1ab1776
20
Vigesimal
8eiedi
36
Base36
gnx4m
md5
7b0962587110eb7e997d14178d57dcc6
sha1
63e23e6be5cb1d0dd70e264b7767843476fa96ca
sha256
1ff853695ece17b6d3e7338b36d448e56d1a81d05e1729ff94258ab177707069
sha512
3c9ce5209a86bfcbfa68efceeb525393b793c777f37d3c975675d489ecc0b07e3a531675163813625a3236ea4f19e169f32df90ef467563c52a33c5e61feb707
ripemd-160
46953a2f4bc7d9516ee5c96bd81894f6ca41099f
Diameter
55979756
Circumference
175865590.19935
Area
2.4612282070389E+15
Volume
9.1852636326903E+22
Surface area
9.8449128281556E+15
Circumference
175865590.19935
Perimeter
111959512
Area
783433270454884
Diagonal
39583665.076768
Surface area
4700599622729304
Volume
2.1928201661173E+22
Space diagonal
48479890.793654
Perimeter
83969634
Area
3.3923655719193E+14
Altitude
24239945.396827
Surface area
3.3923655719193E+14
Volume
2.5842633489736E+21
Height
13194555.025589