28561639 is an odd 8-digits prime number following 28561638
and preceding 28561640 . In scientific notation, it is written as 2.8561639 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 28561638 positive integers (up to 28561639) that are relatively prime to 28561639.
28561639 has 2 divisors, whose sum is 28561640
The reverse of 28561639 is 93616582
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 40 Digital Root 4
Name
twenty-eight million five hundred sixty-one thousand six hundred thirty-nine
Scientific notation
2.8561639 × 10^7
Engineering notation
2.8561639 × 10^6
Prime Factorization
28561639
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28561639 Product of the distinct prime numbers
The prime factorization of 28561639 is 28561639.
Since it has a total of 1 prime factors.
4 , 3 , 65 , 26 , 501 , 952 , 7735 , 8899 , 22615 , 98627 , 542338 , 693798 , 5540300 , 833799 , 94873085 , 46796788 , 947814864 , 751220753 , 6890604101 , 3736615886
n×2
57123278
n×3
85684917
n×4
114246556
n×5
142808195
n÷2
14280819.5
n÷3
9520546.3333333
n÷3
7140409.75
n÷5
5712327.8
n2
815767222366321
n3
2.329964891326E+22
n4
6.6547616108726E+29
n5
1.900708987608E+37
2 √n5344.3090292385
3 √n305.67578901477
4 √n73.104781165383
5 √n30.985365623136
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28561640 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14280820 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5344.3091227959 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999929976 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28561639 can be divided by 2 positive divisors.
The sum of these divisors (counting 28561639) is 28561640, the average is 14280820.
Base
System
Value
2
Binary
1101100111101000011100111
3
Ternary
1222202002012111
4
Quaternary
1230331003213
5
Quinary
24302433024
6
Senary
2500101451
8
Octal
154750347
10
Decimal
28561639
12
Duodecimal
9694887
16
Hexadecimal
1b3d0e7
20
Vigesimal
8ia41j
36
Base36
h06av
md5
2804e28d8571a74afd8a97ef35755cac
sha1
75ee1aee0edda761c327682ad487c67d2b7c8a37
sha256
366878a544c9e2750059c2688062bf045d5144aa15e9b5dfcca30ea895596b1d
sha512
bc0bd4d91e1d7b23e3ce6b3e02cca2d6aadb15d46207e938a0d74a73118f8f0eecdbfd8e9c064a60a4e28aa36c1a5d776b0b47a04637d7c470a39a1e65bd7645
ripemd-160
d72ba47df466e54b05fa67c4db73ae7aa2f8937c
Diameter
57123278
Circumference
179458070.51377
Area
2.5628083128254E+15
Volume
9.7597341142824E+22
Surface area
1.0251233251302E+16
Circumference
179458070.51377
Perimeter
114246556
Area
815767222366321
Diagonal
40392257.237404
Surface area
4894603334197926
Volume
2.329964891326E+22
Space diagonal
49470209.895441
Perimeter
85684917
Area
3.5323756907195E+14
Altitude
24735104.94772
Surface area
3.5323756907195E+14
Volume
2.7458899576386E+21
Height
13464085.745801