27989870 is an even 8-digits composite number following 27989869
and preceding 27989871 . In scientific notation, it is written as 2.7989870 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 11151360 positive integers (up to 27989870) that are relatively prime to 27989870.
27989870 has 16 divisors, whose sum is 50582448
The reverse of 27989870 is 07898972
Previous prime number is 257
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-seven million nine hundred eighty-nine thousand eight hundred seventy
Scientific notation
2.7989870 × 10^7
Engineering notation
2.7989870 × 10^6
Prime Factorization
2 × 5 × 257 × 10891
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27989870
Product of the distinct prime numbers
The prime factorization of 27989870 is 2 × 5 × 257 × 10891.
Since it has a total of 4 prime factors.
2 , 3 , 78 , 70 , 712 , 380 , 7325 , 6145 , 10833 , 68272 , 895476 , 508039 , 2255977 , 9161910 , 99933875 , 20178979 , 287706593 , 349824112 , 1981387982 , 6833593104
n×2
55979740
n×3
83969610
n×4
111959480
n×5
139949350
n÷2
13994935
n÷3
9329956.6666667
n÷3
6997467.5
n÷5
5597974
n2
783432822616900
n3
2.192818285878E+22
n4
6.1376698755348E+29
n5
1.7179258191914E+37
2 √n
5290.5453405107
3 √n
303.6222729535
4 √n
72.736135039681
5 √n
30.860302320174
1 , 2 , 5 , 10 , 257 , 514 , 1285 , 2570 , 10891 , 21782 , 54455 , 108910 , 2798987 , 5597974 , 13994935 , 27989870
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
-27989869
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 27989870 can be divided by 16 positive divisors.
The sum of these divisors (counting 27989870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110001011101101110
3
Ternary
1221200000212212
4
Quaternary
1222301131232
5
Quinary
24131133440
6
Senary
2435530422
8
Octal
152613556
10
Decimal
27989870
12
Duodecimal
9459a12
16
Hexadecimal
1ab176e
20
Vigesimal
8eieda
36
Base36
gnx4e
md5
0ec6ae8fc2d8c6fc01b16117587b65d8
sha1
5286fb25212346472d57e4cf0eaccd7aa5a550a8
sha256
a6ff7135461309275fbc149a516df01426968510b7e401d371a2bb72a3c9651f
sha512
a8df84e32dbb79e78dda7edd1457213cfbf4f5264f2f5ec3ab78e60a6c860574de1c64b538d7779373c19af177769ea5c08e8c47dc13f93a3e5626e5f4175b08
ripemd-160
45e2a5c84cbaf0b1f08f62237c664e48f8e41b9c
Diameter
55979740
Circumference
175865539.93387
Area
2.4612268001144E+15
Volume
9.1852557567623E+22
Surface area
9.8449072004575E+15
Circumference
175865539.93387
Perimeter
111959480
Area
783432822616900
Diagonal
39583653.76306
Surface area
4700596935701400
Volume
2.192818285878E+22
Space diagonal
48479876.937248
Perimeter
83969610
Area
3.3923636327239E+14
Altitude
24239938.468624
Surface area
3.3923636327239E+14
Volume
2.5842611330903E+21
Height
13194551.254353