28490637 is an odd 8-digits composite number following 28490636
and preceding 28490638 . In scientific notation, it is written as 2.8490637 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 16280352 positive integers (up to 28490637) that are relatively prime to 28490637.
28490637 has 4 divisors, whose sum is 29847356
The reverse of 28490637 is 73609482
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred ninety thousand six hundred thirty-seven
Scientific notation
2.8490637 × 10^7
Engineering notation
2.8490637 × 10^6
Prime Factorization
21 × 1356697
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28490637
Product of the distinct prime numbers
The prime factorization of 28490637 is 21 × 1356697.
Since it has a total of 2 prime factors.
3 , 5 , 52 , 20 , 737 , 37 , 3931 , 2864 , 64565 , 8815 , 494170 , 33678 , 9352691 , 2878215 , 70354587 , 83821854 , 913358711 , 140167066 , 7374583592 , 3320401393
n×2
56981274
n×3
85471911
n×4
113962548
n×5
142453185
n÷2
14245318.5
n÷3
9496879
n÷3
7122659.25
n÷5
5698127.4
n2
811716396665769
n3
2.3126317204352E+22
n4
6.5888350861606E+29
n5
1.8772010869267E+37
2 √n
5337.6621286852
3 √n
305.42228346807
4 √n
73.059305558465
5 √n
30.969944842609
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28490636
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28490637 can be divided by 4 positive divisors.
The sum of these divisors (counting 28490637) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011101110001101
3
Ternary
1222121110210210
4
Quaternary
1230223232031
5
Quinary
24243200022
6
Senary
2454353033
8
Octal
154535615
10
Decimal
28490637
12
Duodecimal
965b779
16
Hexadecimal
1b2bb8d
20
Vigesimal
8i16bh
36
Base36
gynil
md5
7886a33861b642c69f6c2f8ecf2c2edc
sha1
6677a1245ff270473de852cbd1239aae147dc2f1
sha256
c66b77fb744a9da49f4959b2927e00913b7d1a79e1553f33b0ea6d8054c79188
sha512
4d37c5d62dc0a87cd26b9eefe3e65e80186f154ed48cba996514fbe3d490e3a5d8b0781520e29ff47dedb4f8b6c0f4e24347f7798f5941c1dd5cee265d923986
ripemd-160
e0798ca6e87163e87ec44aa555d93338aaba681b
Diameter
56981274
Circumference
179011951.79059
Area
2.5500822685636E+15
Volume
9.6871290978374E+22
Surface area
1.0200329074254E+16
Circumference
179011951.79059
Perimeter
113962548
Area
811716396665769
Diagonal
40291845.246049
Surface area
4870298379994614
Volume
2.3126317204352E+22
Space diagonal
49347230.824002
Perimeter
85471911
Area
3.5148351009046E+14
Altitude
24673615.412001
Surface area
3.5148351009046E+14
Volume
2.7254626198448E+21
Height
13430615.082016