27996978 is an even 8-digits composite number following 27996977
and preceding 27996979 . In scientific notation, it is written as 2.7996978 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 9244896 positive integers (up to 27996978) that are relatively prime to 27996978.
27996978 has 16 divisors, whose sum is 56518560
The reverse of 27996978 is 87969972
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 57
Digital Root 3
Name
twenty-seven million nine hundred ninety-six thousand nine hundred seventy-eight
Scientific notation
2.7996978 × 10^7
Engineering notation
2.7996978 × 10^6
Prime Factorization
2 × 3 × 107 × 43609
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27996978
Product of the distinct prime numbers
The prime factorization of 27996978 is 2 × 3 × 107 × 43609.
Since it has a total of 4 prime factors.
1 , 9 , 67 , 9 , 935 , 771 , 1214 , 998 , 7593 , 71604 , 23022 , 124643 , 6406311 , 2267159 , 5118641 , 67960238 , 725913194 , 599561249 , 5779786699 , 2172399240
n×2
55993956
n×3
83990934
n×4
111987912
n×5
139984890
n÷2
13998489
n÷3
9332326
n÷3
6999244.5
n÷5
5599395.6
n2
783830777132484
n3
2.1944893023101E+22
n4
6.1439068718011E+29
n5
1.7201082552387E+37
2 √n
5291.2170622646
3 √n
303.6479723042
4 √n
72.740752417504
5 √n
30.861869549677
1 , 2 , 3 , 6 , 107 , 214 , 321 , 642 , 43609 , 87218 , 130827 , 261654 , 4666163 , 9332326 , 13998489 , 27996978
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
-27996977
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 27996978 can be divided by 16 positive divisors.
The sum of these divisors (counting 27996978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110011001100110010
3
Ternary
1221200101122010
4
Quaternary
1222303030302
5
Quinary
24131400403
6
Senary
2440023350
8
Octal
152631462
10
Decimal
27996978
12
Duodecimal
9461b56
16
Hexadecimal
1ab3332
20
Vigesimal
8ejc8i
36
Base36
go2lu
md5
8266931f5e839e239b4fee2c72a0a4bd
sha1
2bf3e6739a0502153ce641fe0b4e072dd835b438
sha256
46d526fcb1cba185951bab25c34291a0d769c166093fe2ec72493dadb212cce5
sha512
71c1360e9ebb93cdde44978d9a32a02f42777989f9d2582e2d7e63cef42a196680343dd31f97a4a9a04ecca7eaa4c64528632ee2dc6dd2db92410a4a1661be32
ripemd-160
f4f02465ba9cefdd05c92fd8a00f904e4e9e39db
Diameter
55993956
Circumference
175910200.81503
Area
2.462477011097E+15
Volume
9.1922552940251E+22
Surface area
9.849908044388E+15
Circumference
175910200.81503
Perimeter
111987912
Area
783830777132484
Diagonal
39593705.993061
Surface area
4702984662794904
Volume
2.1944893023101E+22
Space diagonal
48492188.354388
Perimeter
83990934
Area
3.3940868263241E+14
Altitude
24246094.177194
Surface area
3.3940868263241E+14
Volume
2.5862304448414E+21
Height
13197901.997687