27156721 is an odd 8-digits composite number following 27156720
and preceding 27156722 . In scientific notation, it is written as 2.7156721 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 25975972 positive integers (up to 27156721) that are relatively prime to 27156721.
27156721 has 4 divisors, whose sum is 28337472
The reverse of 27156721 is 12765172
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-seven million one hundred fifty-six thousand seven hundred twenty-one
Scientific notation
2.7156721 × 10^7
Engineering notation
2.7156721 × 10^6
Prime Factorization
23 × 1180727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27156721
Product of the distinct prime numbers
The prime factorization of 27156721 is 23 × 1180727.
Since it has a total of 2 prime factors.
3 , 5 , 15 , 69 , 249 , 400 , 2405 , 6402 , 42561 , 89377 , 681061 , 125752 , 5284659 , 7635286 , 1973484 , 42821418 , 178160172 , 822819637 , 6047770076 , 813001475
n×2
54313442
n×3
81470163
n×4
108626884
n×5
135783605
n÷2
13578360.5
n÷3
9052240.3333333
n÷3
6789180.25
n÷5
5431344.2
n2
737487495471841
n3
2.0027742155518E+22
n4
5.4388780597733E+29
n5
1.4770209402228E+37
2 √n
5211.2110876456
3 √n
300.57932868892
4 √n
72.188718562152
5 √n
30.674356883086
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27156720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27156721 can be divided by 4 positive divisors.
The sum of these divisors (counting 27156721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100111100110000011110001
3
Ternary
1220002201000111
4
Quaternary
1213212003301
5
Quinary
23423003341
6
Senary
2410021321
8
Octal
147460361
10
Decimal
27156721
12
Duodecimal
9117841
16
Hexadecimal
19e60f1
20
Vigesimal
89ebg1
36
Base36
g629d
md5
36fc468abd60c65912085df34b4caf41
sha1
4f5a02fb5947d5936f03a1a7cce5db8c6f686542
sha256
69448d154c6e52aa2d4230b8f965da4ee8a917f8b177d32a2613ac88bfed9359
sha512
0496bc71636d1934bb3410f1f086d6dddb5f4ea9e25ce820b3dd25646f61d5ecb6be3e7a57aa83f3065fcc593cde8e863bc2426bcbd0fb5ae90395b0d03e8fd1
ripemd-160
f0cfe385a36e675d57d8c33743d68bbf0573be9a
Diameter
54313442
Circumference
170630710.37838
Area
2.3168852978887E+15
Volume
8.3892010165019E+22
Surface area
9.2675411915547E+15
Circumference
170630710.37838
Perimeter
108626884
Area
737487495471841
Diagonal
38405403.147782
Surface area
4424924972831046
Volume
2.0027742155518E+22
Space diagonal
47036820.538973
Perimeter
81470163
Area
3.1934145302599E+14
Altitude
23518410.269486
Surface area
3.1934145302599E+14
Volume
2.360292048337E+21
Height
12801801.049261