28821611 is an odd 8-digits composite number following 28821610
and preceding 28821612 . In scientific notation, it is written as 2.8821611 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 22715424 positive integers (up to 28821611) that are relatively prime to 28821611.
28821611 has 16 divisors, whose sum is 35610624
The reverse of 28821611 is 11612882
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million eight hundred twenty-one thousand six hundred eleven
Scientific notation
2.8821611 × 10^7
Engineering notation
2.8821611 × 10^6
Prime Factorization
7 × 13 × 367 × 863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28821611
Product of the distinct prime numbers
The prime factorization of 28821611 is 7 × 13 × 367 × 863.
Since it has a total of 4 prime factors.
8 , 8 , 1 , 39 , 213 , 479 , 3573 , 7803 , 86696 , 6800 , 160999 , 829407 , 1384677 , 4949665 , 82651215 , 75696291 , 136881880 , 833283737 , 5064507077 , 4564913214
n×2
57643222
n×3
86464833
n×4
115286444
n×5
144108055
n÷2
14410805.5
n÷3
9607203.6666667
n÷3
7205402.75
n÷5
5764322.2
n2
830685260635321
n3
2.3941687445465E+22
n4
6.9003800223677E+29
n5
1.9888006875685E+37
2 √n
5368.5762544645
3 √n
306.60042375642
4 √n
73.270568814938
5 √n
31.041567988449
1 , 7 , 13 , 91 , 367 , 863 , 2569 , 4771 , 6041 , 11219 , 33397 , 78533 , 316721 , 2217047 , 4117373 , 28821611
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
-28821610
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 28821611 can be divided by 16 positive divisors.
The sum of these divisors (counting 28821611) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101111100100001101011
3
Ternary
2000020021211002
4
Quaternary
1231330201223
5
Quinary
24334242421
6
Senary
2505425215
8
Octal
155744153
10
Decimal
28821611
12
Duodecimal
979b20b
16
Hexadecimal
1b7c86b
20
Vigesimal
902e0b
36
Base36
h5qwb
md5
33c34655f3fa60c5a3e9481115997810
sha1
d2bbb48db2ddec380d2e385a9409eca13353a9cb
sha256
d605664898b1b8e4633a86262df3e3ea88156064b485928fb484bfbe5a81df9d
sha512
62a186f401a9907298227af3e53111f072cee93ded63708436bb72a8719b2e4b63565d379e2c72b69c1e302c54e4190516e5cdfd46cd8d224e41025271ad3db1
ripemd-160
a5d66bcd9a86a0dfbd5b83c1d9fd974e97c50ce8
Diameter
57643222
Circumference
181091522.76445
Area
2.6096747122572E+15
Volume
1.0028670585762E+23
Surface area
1.0438698849029E+16
Circumference
181091522.76445
Perimeter
115286444
Area
830685260635321
Diagonal
40759913.165642
Surface area
4984111563811926
Volume
2.3941687445465E+22
Space diagonal
49920494.607986
Perimeter
86464833
Area
3.5969726912974E+14
Altitude
24960247.303993
Surface area
3.5969726912974E+14
Volume
2.8215549242895E+21
Height
13586637.721881