28942661 is an odd 8-digits composite number following 28942660
and preceding 28942662 . In scientific notation, it is written as 2.8942661 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 25704000 positive integers (up to 28942661) that are relatively prime to 28942661.
28942661 has 16 divisors, whose sum is 32313600
The reverse of 28942661 is 16624982
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million nine hundred forty-two thousand six hundred sixty-one
Scientific notation
2.8942661 × 10^7
Engineering notation
2.8942661 × 10^6
Prime Factorization
11 × 101 × 109 × 239
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28942661
Product of the distinct prime numbers
The prime factorization of 28942661 is 11 × 101 × 109 × 239.
Since it has a total of 4 prime factors.
7 , 5 , 66 , 14 , 431 , 642 , 8094 , 187 , 19789 , 56816 , 568416 , 673509 , 3942307 , 5599073 , 53302643 , 16754010 , 777916930 , 978363476 , 6500852120 , 6752655749
n×2
57885322
n×3
86827983
n×4
115770644
n×5
144713305
n÷2
14471330.5
n÷3
9647553.6666667
n÷3
7235665.25
n÷5
5788532.2
n2
837677625760921
n3
2.4244619549683E+22
n4
7.0170380470045E+29
n5
2.0309175341855E+37
2 √n
5379.838380472
3 √n
307.02906210179
4 √n
73.347381551573
5 √n
31.067599045275
1 , 11 , 101 , 109 , 239 , 1111 , 1199 , 2629 , 11009 , 24139 , 26051 , 121099 , 265529 , 286561 , 2631151 , 28942661
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
-28942660
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 28942661 can be divided by 16 positive divisors.
The sum of these divisors (counting 28942661) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110011010000101000101
3
Ternary
2000110102212102
4
Quaternary
1232122011011
5
Quinary
24402131121
6
Senary
2512201445
8
Octal
156320505
10
Decimal
28942661
12
Duodecimal
9839285
16
Hexadecimal
1b9a145
20
Vigesimal
90hgd1
36
Base36
h8cat
md5
bf975a7cc0759039f1f17566a6d39741
sha1
38ee05daac10e1c7a1456c9749d678083d0a574c
sha256
6a73c826d9944381ec66dbdc94cb11a466f1bda2967b17108dc9b2ab28ba54ad
sha512
7cae4419abfffdb8f01ed212055914760a452b99c4ffd6b5131866bc656a52be8796d4946fc52a7c1fbabcf57272259974910e45a921f00dcad70bdef81832da
ripemd-160
de5643a748084a8426dc8fb2de66ff828420753b
Diameter
57885322
Circumference
181852102.34588
Area
2.631641875167E+15
Volume
1.0155562488849E+23
Surface area
1.0526567500668E+16
Circumference
181852102.34588
Perimeter
115770644
Area
837677625760921
Diagonal
40931103.717367
Surface area
5026065754565526
Volume
2.4244619549683E+22
Space diagonal
50130159.358242
Perimeter
86827983
Area
3.627250520454E+14
Altitude
25065079.679121
Surface area
3.627250520454E+14
Volume
2.8572558151448E+21
Height
13643701.239122