28621285 is an odd 8-digits composite number following 28621284
and preceding 28621286 . In scientific notation, it is written as 2.8621285 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 16788480 positive integers (up to 28621285) that are relatively prime to 28621285.
28621285 has 16 divisors, whose sum is 35271936
The reverse of 28621285 is 58212682
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million six hundred twenty-one thousand two hundred eighty-five
Scientific notation
2.8621285 × 10^7
Engineering notation
2.8621285 × 10^6
Prime Factorization
7 × 55 × 17 × 4373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28621285
Product of the distinct prime numbers
The prime factorization of 28621285 is 7 × 55 × 17 × 4373.
Since it has a total of 4 prime factors.
3 , 3 , 57 , 79 , 728 , 809 , 5652 , 9435 , 46920 , 53738 , 117525 , 487943 , 9640671 , 7792006 , 29547591 , 92681862 , 125727045 , 968802722 , 2863262544 , 5398616097
n×2
57242570
n×3
85863855
n×4
114485140
n×5
143106425
n÷2
14310642.5
n÷3
9540428.3333333
n÷3
7155321.25
n÷5
5724257
n2
819177955051225
n3
2.3445925717238E+22
n4
6.7105252204191E+29
n5
1.920638548333E+37
2 √n
5349.8864473931
3 √n
305.88842458435
4 √n
73.142917957879
5 √n
30.998296332269
1 , 7 , 17 , 55 , 119 , 385 , 935 , 4373 , 6545 , 30611 , 74341 , 240515 , 520387 , 1683605 , 4088755 , 28621285
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
-28621284
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 28621285 can be divided by 16 positive divisors.
The sum of these divisors (counting 28621285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101001011100111100101
3
Ternary
1222212010000121
4
Quaternary
1231023213211
5
Quinary
24311340120
6
Senary
2501241541
8
Octal
155134745
10
Decimal
28621285
12
Duodecimal
97032b1
16
Hexadecimal
1b4b9e5
20
Vigesimal
8ihd45
36
Base36
h1gbp
md5
3cbe9d2ff8a3a62df5fcc25548ccefbb
sha1
eacd7a4798b9c70189fee5e37e994910090971e8
sha256
b683d94adafed9b6f6772642cae894a0c853ecf21e0201348974d640428d58f2
sha512
5688498e20d4798c9e57d1ed8cf39e2139b8ab0cc37b58cd22219710acecfcc65b8c9fc2c82f2b5fe8d7cf1f3a54c9d3c52dceb4e946e1d7d60a0d6a0fddb8eb
ripemd-160
a7953f20de4cf04f478bd6359b1867b5c4eca26c
Diameter
57242570
Circumference
179832837.3846
Area
2.5735234455716E+15
Volume
9.8210063986517E+22
Surface area
1.0294093782287E+16
Circumference
179832837.3846
Perimeter
114485140
Area
819177955051225
Diagonal
40476609.419546
Surface area
4915067730307350
Volume
2.3445925717238E+22
Space diagonal
49573519.797909
Perimeter
85863855
Area
3.5471445964727E+14
Altitude
24786759.898954
Surface area
3.5471445964727E+14
Volume
2.7631288443092E+21
Height
13492203.139849