27831990 is an even 8-digits composite number following 27831989
and preceding 27831991 . In scientific notation, it is written as 2.7831990 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 7263584 positive integers (up to 27831990) that are relatively prime to 27831990.
27831990 has 16 divisors, whose sum is 45480960
The reverse of 27831990 is 09913872
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-seven million eight hundred thirty-one thousand nine hundred ninety
Scientific notation
2.7831990 × 10^7
Engineering notation
2.7831990 × 10^6
Prime Factorization
2 × 15 × 47 × 19739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27831990
Product of the distinct prime numbers
The prime factorization of 27831990 is 2 × 15 × 47 × 19739.
Since it has a total of 4 prime factors.
5 , 10 , 91 , 22 , 462 , 388 , 6655 , 1122 , 92224 , 94646 , 140552 , 699115 , 2884533 , 9203176 , 72236777 , 99763192 , 101773206 , 430528222 , 8258235097 , 9565486746
n×2
55663980
n×3
83495970
n×4
111327960
n×5
139159950
n÷2
13915995
n÷3
9277330
n÷3
6957997.5
n÷5
5566398
n2
774619667360100
n3
2.155920683577E+22
n4
6.0003562906107E+29
n5
1.6700185627671E+37
2 √n
5275.6032830379
3 √n
303.05032439735
4 √n
72.63334828464
5 √n
30.825409304855
1 , 2 , 15 , 30 , 47 , 94 , 705 , 1410 , 19739 , 39478 , 296085 , 592170 , 927733 , 1855466 , 13915995 , 27831990
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
-27831989
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 27831990 can be divided by 16 positive divisors.
The sum of these divisors (counting 27831990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010001010111010110110
3
Ternary
1221101000022110
4
Quaternary
1222022322312
5
Quinary
24111110430
6
Senary
2432311450
8
Octal
152127266
10
Decimal
27831990
12
Duodecimal
93a2586
16
Hexadecimal
1a8aeb6
20
Vigesimal
8dijja
36
Base36
gkjau
md5
4f27a9d18096d3ad912a9df10d07118a
sha1
c5eda49f7e9b3e5cadff38a7ad346a858e64a6a2
sha256
c8c22ad8f18b0e6e38c02f206edb85edc23eb95c4a17c7a8beaaff7cbc1d769a
sha512
d0c596d258084fbab2003eb1432a5d837a373494a1443811c51d0ef1f7aef51e765fe86e2f1e94d459a98d05ec481be3492cb80bcd4c5fe25cc636854d77cf97
ripemd-160
b498edc6f4850b1f2c72fd24fee352ea4cc3d319
Diameter
55663980
Circumference
174873550.63757
Area
2.4335394563047E+15
Volume
9.0306994416636E+22
Surface area
9.7341578252186E+15
Circumference
174873550.63757
Perimeter
111327960
Area
774619667360100
Diagonal
39360377.725832
Surface area
4647718004160600
Volume
2.155920683577E+22
Space diagonal
48206420.755749
Perimeter
83495970
Area
3.3542015510245E+14
Altitude
24103210.377874
Surface area
3.3542015510245E+14
Volume
2.5407768917627E+21
Height
13120125.908611