33138721 is an odd 8-digits composite number following 33138720
and preceding 33138722 . In scientific notation, it is written as 3.3138721 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 24987600 positive integers (up to 33138721) that are relatively prime to 33138721.
33138721 has 8 divisors, whose sum is 34654464
The reverse of 33138721 is 12783133
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-three million one hundred thirty-eight thousand seven hundred twenty-one
Scientific notation
3.3138721 × 10^7
Engineering notation
3.3138721 × 10^6
Prime Factorization
77 × 31 × 13883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
33138721
Product of the distinct prime numbers
The prime factorization of 33138721 is 77 × 31 × 13883.
Since it has a total of 3 prime factors.
8 , 7 , 42 , 70 , 21 , 82 , 3821 , 3457 , 26595 , 86727 , 231450 , 254378 , 4021241 , 4205485 , 91700057 , 7989316 , 525655357 , 859087734 , 799003437 , 686194558
n×2
66277442
n×3
99416163
n×4
132554884
n×5
165693605
n÷2
16569360.5
n÷3
11046240.333333
n÷3
8284680.25
n÷5
6627744.2
n2
1098174829515841
n3
3.6392109284548E+22
n4
1.2059879561821E+30
n5
3.996489840928E+37
2 √n
5756.6240975071
3 √n
321.20225152951
4 √n
75.872419873806
5 √n
31.92031353552
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-33138720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 33138721 can be divided by 8 positive divisors.
The sum of these divisors (counting 33138721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111110011010100000100001
3
Ternary
2022100121210001
4
Quaternary
1332122200201
5
Quinary
31440414341
6
Senary
3142140001
8
Octal
176324041
10
Decimal
33138721
12
Duodecimal
b121601
16
Hexadecimal
1f9a821
20
Vigesimal
a726g1
36
Base36
jqa01
md5
96aa87944b99b29b96a4c26dce421773
sha1
f4c8ea2b9c9472b3950ec974014064e934dac4b8
sha256
3a91742749228f6aaa2283fca0afb119ec806ebb4991722484e3a7c155aa990b
sha512
00b6ca68293f94cccee7816f09aff8e8aefd4837407da9a2d8dfc58f85a2a73a53e26e05614827eee8eb278b94b7e64414d931da527e99bfe36dee5eb60679e1
ripemd-160
bb83197dc3ef9eb4a8f1f756ae0082ca8ef81e12
Diameter
66277442
Circumference
208216724.88592
Area
3.4500179767642E+15
Volume
1.5243891090263E+23
Surface area
1.3800071907057E+16
Circumference
208216724.88592
Perimeter
132554884
Area
1098174829515841
Diagonal
46865228.677898
Surface area
6589048977095046
Volume
3.6392109284548E+22
Space diagonal
57397948.46985
Perimeter
99416163
Area
4.7552365007868E+14
Altitude
28698974.234925
Surface area
4.7552365007868E+14
Volume
4.2888512094643E+21
Height
15621742.892633