28941421 is an odd 8-digits prime number following 28941420
and preceding 28941422 . In scientific notation, it is written as 2.8941421 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 28941420 positive integers (up to 28941421) that are relatively prime to 28941421.
28941421 has 2 divisors, whose sum is 28941422
The reverse of 28941421 is 12414982
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 31 Digital Root 4
Name
twenty-eight million nine hundred forty-one thousand four hundred twenty-one
Scientific notation
2.8941421 × 10^7
Engineering notation
2.8941421 × 10^6
Prime Factorization
28941421
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28941421 Product of the distinct prime numbers
The prime factorization of 28941421 is 28941421.
Since it has a total of 1 prime factors.
8 , 2 , 32 , 99 , 868 , 883 , 6914 , 6918 , 37254 , 42598 , 17742 , 674298 , 7946166 , 9642221 , 34319593 , 64175431 , 703854303 , 301306542 , 2738683703 , 8572184041
n×2
57882842
n×3
86824263
n×4
115765684
n×5
144707105
n÷2
14470710.5
n÷3
9647140.3333333
n÷3
7235355.25
n÷5
5788284.2
n2
837605849499241
n3
2.424150352242E+22
n4
7.0158355911535E+29
n5
2.0304825151036E+37
2 √n5379.7231341399
3 √n307.02467732327
4 √n73.346595927418
5 √n31.067332832829
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28941422 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14470711 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5379.7232270815 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999308949 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28941421 can be divided by 2 positive divisors.
The sum of these divisors (counting 28941421) is 28941422, the average is 14470711.
Base
System
Value
2
Binary
1101110011001110001101101
3
Ternary
2000110101011111
4
Quaternary
1232121301231
5
Quinary
24402111141
6
Senary
2512152021
8
Octal
156316155
10
Decimal
28941421
12
Duodecimal
9838611
16
Hexadecimal
1b99c6d
20
Vigesimal
90hdb1
36
Base36
h8bcd
md5
bd65f08e00b46b51ec8c600b97af9c9a
sha1
61ab6008ce0430a6a25f818474f0037db6d03fcc
sha256
3cf08a1babfaed5ef4a910be5298b222a2e9cc4cb13eba0384683e5decb64585
sha512
c313e697534f9e6a5395a5210ad01ba4eccf18640d58741f0c45ed5735ed15a9a8724b60b9b433b46b2b0706c282e9b892396e0815263c84da16b43d7eec5ba9
ripemd-160
d793c4f8faab45a56c92ae3534815b3b95309636
Diameter
57882842
Circumference
181844311.1961
Area
2.6314163833907E+15
Volume
1.0154257250401E+23
Surface area
1.0525665533563E+16
Circumference
181844311.1961
Perimeter
115765684
Area
837605849499241
Diagonal
40929350.09255
Surface area
5025635096995446
Volume
2.424150352242E+22
Space diagonal
50128011.615241
Perimeter
86824263
Area
3.6269397201239E+14
Altitude
25064005.80762
Surface area
3.6269397201239E+14
Volume
2.8568885878101E+21
Height
13643116.697517