27981330 is an even 8-digits composite number following 27981329
and preceding 27981331 . In scientific notation, it is written as 2.7981330 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 6886464 positive integers (up to 27981330) that are relatively prime to 27981330.
27981330 has 32 divisors, whose sum is 55641600
The reverse of 27981330 is 03318972
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-seven million nine hundred eighty-one thousand three hundred thirty
Scientific notation
2.7981330 × 10^7
Engineering notation
2.7981330 × 10^6
Prime Factorization
2 × 39 × 5 × 13 × 5519
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
27981330
Product of the distinct prime numbers
The prime factorization of 27981330 is 2 × 39 × 5 × 13 × 5519.
Since it has a total of 5 prime factors.
7 , 7 , 58 , 2 , 962 , 432 , 30 , 267 , 76784 , 19509 , 232231 , 904055 , 8661794 , 5795067 , 23451097 , 55374178 , 883691638 , 303066393 , 935058054 , 5990308880
n×2
55962660
n×3
83943990
n×4
111925320
n×5
139906650
n÷2
13990665
n÷3
9327110
n÷3
6995332.5
n÷5
5596266
n2
782954828568900
n3
2.190811743328E+22
n4
6.1301826357936E+29
n5
1.7153066329241E+37
2 √n
5289.738178776
3 √n
303.59139037626
4 √n
72.730586267237
5 √n
30.858418930561
1 , 2 , 5 , 10 , 13 , 26 , 39 , 65 , 78 , 130 , 195 , 390 , 507 , 1014 , 2535 , 5070 , 5519 , 11038 , 27595 , 55190 , 71747 , 143494 , 215241 , 358735 , 430482 , 717470 , 1076205 , 2152410 , 2798133 , 5596266 , 13990665 , 27981330
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27981329
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27981330 can be divided by 32 positive divisors.
The sum of these divisors (counting 27981330) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101010101111011000010010
3
Ternary
1221122121011120
4
Quaternary
1222233120102
5
Quinary
24130400310
6
Senary
2435423110
8
Octal
152573022
10
Decimal
27981330
12
Duodecimal
9454a96
16
Hexadecimal
1aaf612
20
Vigesimal
8ehd6a
36
Base36
gnqj6
md5
551e60892b5ed989a12c51a7c4721822
sha1
1badad4c4e01774cf97a32a407e0db2180b47628
sha256
1e1a8b6a46fd95ebe79dc7d50e81efa6836019e6a93139649d1076026862123d
sha512
e3523d6024741b360dfb3a47ce82465f74328f6428a8dcd65c5a5271f147a8f160294d4fca185d9b75c19296e5e33502dfdfea6fdb67de44eaf75f4c45dd3c58
ripemd-160
2494c8bdd2fcece1a429ef312b48267d413bf07d
Diameter
55962660
Circumference
175811881.53134
Area
2.4597251375247E+15
Volume
9.1768507709832E+22
Surface area
9.8389005500988E+15
Circumference
175811881.53134
Perimeter
111925320
Area
782954828568900
Diagonal
39571576.379237
Surface area
4697728971413400
Volume
2.190811743328E+22
Space diagonal
48465085.223351
Perimeter
83943990
Area
3.3902938577818E+14
Altitude
24232542.611676
Surface area
3.3902938577818E+14
Volume
2.5818964000172E+21
Height
13190525.459746