28487613 is an odd 8-digits composite number following 28487612
and preceding 28487614 . In scientific notation, it is written as 2.8487613 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 14798640 positive integers (up to 28487613) that are relatively prime to 28487613.
28487613 has 16 divisors, whose sum is 47356416
The reverse of 28487613 is 31678482
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred eighty-seven thousand six hundred thirteen
Scientific notation
2.8487613 × 10^7
Engineering notation
2.8487613 × 10^6
Prime Factorization
7 × 3 × 11 × 123323
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28487613
Product of the distinct prime numbers
The prime factorization of 28487613 is 7 × 3 × 11 × 123323.
Since it has a total of 4 prime factors.
3 , 3 , 76 , 82 , 218 , 589 , 1164 , 1525 , 55231 , 87515 , 924734 , 788367 , 6304344 , 967602 , 15378388 , 24489540 , 319317081 , 149487184 , 5041403659 , 4096142190
n×2
56975226
n×3
85462839
n×4
113950452
n×5
142438065
n÷2
14243806.5
n÷3
9495871
n÷3
7121903.25
n÷5
5697522.6
n2
811544094437769
n3
2.3118954094779E+22
n4
6.5860381721682E+29
n5
1.8762050665195E+37
2 √n
5337.3788510841
3 √n
305.41147723181
4 √n
73.057366850196
5 √n
30.969287383882
1 , 3 , 7 , 11 , 21 , 33 , 77 , 231 , 123323 , 369969 , 863261 , 1356553 , 2589783 , 4069659 , 9495871 , 28487613
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
-28487612
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 28487613 can be divided by 16 positive divisors.
The sum of these divisors (counting 28487613) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101010111110111101
3
Ternary
1222121022122210
4
Quaternary
1230222332331
5
Quinary
24243100423
6
Senary
2454331033
8
Octal
154527675
10
Decimal
28487613
12
Duodecimal
9659a79
16
Hexadecimal
1b2afbd
20
Vigesimal
8i0j0d
36
Base36
gyl6l
md5
ee5daa1a97612732caff40f38dbebc57
sha1
6e8f2f8e2cc3a6a9e4a2d455002fcf12f723c3eb
sha256
da3eb35414c981363badc19b68b8d7cabd9c3880d32395c3540bf145dcd4c687
sha512
88626f8f33bf0b1474b945ca7ed60828219fa6d26b1a38b471c599ddb73badafc6abcea0a91e0007d4cf0dc6d98b40e44a8e5538a7dd6d0d77f24975c4e95fd8
ripemd-160
739eb8f2fdacd6ce53f4d23fe8463aba28663166
Diameter
56975226
Circumference
178992951.43822
Area
2.5495409651499E+15
Volume
9.6840448457115E+22
Surface area
1.01981638606E+16
Circumference
178992951.43822
Perimeter
113950452
Area
811544094437769
Diagonal
40287568.664236
Surface area
4869264566626614
Volume
2.3118954094779E+22
Space diagonal
49341993.10236
Perimeter
85462839
Area
3.5140890103717E+14
Altitude
24670996.55118
Surface area
3.5140890103717E+14
Volume
2.7245948690597E+21
Height
13429189.554745