27943989 is an odd 8-digits composite number following 27943988
and preceding 27943990 . In scientific notation, it is written as 2.7943989 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 17945280 positive integers (up to 27943989) that are relatively prime to 27943989.
27943989 has 16 divisors, whose sum is 38638080
The reverse of 27943989 is 98934972
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-seven million nine hundred forty-three thousand nine hundred eighty-nine
Scientific notation
2.7943989 × 10^7
Engineering notation
2.7943989 × 10^6
Prime Factorization
3 × 31 × 269 × 1117
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27943989
Product of the distinct prime numbers
The prime factorization of 27943989 is 3 × 31 × 269 × 1117.
Since it has a total of 4 prime factors.
1 , 7 , 44 , 72 , 846 , 407 , 2514 , 3431 , 58548 , 4580 , 224315 , 395133 , 1733430 , 8980872 , 65040408 , 36495505 , 940451595 , 431422459 , 1948024680 , 1130167854
n×2
55887978
n×3
83831967
n×4
111775956
n×5
139719945
n÷2
13971994.5
n÷3
9314663
n÷3
6985997.25
n÷5
5588797.8
n2
780866521232121
n3
2.1820525479779E+22
n4
6.0975252398115E+29
n5
1.7038917822852E+37
2 √n
5286.2074306633
3 √n
303.45628299514
4 √n
72.70630942816
5 √n
30.850178437331
1 , 3 , 31 , 93 , 269 , 807 , 1117 , 3351 , 8339 , 25017 , 34627 , 103881 , 300473 , 901419 , 9314663 , 27943989
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
-27943988
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 27943989 can be divided by 16 positive divisors.
The sum of these divisors (counting 27943989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010100110010000110101
3
Ternary
1221120200221120
4
Quaternary
1222212100311
5
Quinary
24123201424
6
Senary
2434534153
8
Octal
152462065
10
Decimal
27943989
12
Duodecimal
9437359
16
Hexadecimal
1aa6435
20
Vigesimal
8ecjj9
36
Base36
gmxpx
md5
d2c465ac2512ff4c8554e82ea9f40214
sha1
0a9cba096be00d124f66234b28c97c0506de97ed
sha256
81ff922299b2f3c33e9b047188bd7c0f21325cfd1d79c9b1218e14680f2affed
sha512
dabf026896ae95adc7cc7dafbc96db61881cfd091e3b78fcccd7f05cf80a893a184efdc53c4c1e2385ae6292b06fcadebb3dd1ea0043f9e04b19cdd2835189bd
ripemd-160
6eebbf99db4627b1ad78d1b207268ca8e8700a73
Diameter
55887978
Circumference
175577261.10879
Area
2.453164526537E+15
Volume
9.1401603392989E+22
Surface area
9.8126581061482E+15
Circumference
175577261.10879
Perimeter
111775956
Area
780866521232121
Diagonal
39518768.230605
Surface area
4685199127392726
Volume
2.1820525479779E+22
Space diagonal
48400408.714146
Perimeter
83831967
Area
3.381251221759E+14
Altitude
24200204.357073
Surface area
3.381251221759E+14
Volume
2.5715735893009E+21
Height
13172922.743535