102720009 is an odd 9-digits composite number following 102720008
and preceding 102720010 . In scientific notation, it is written as 1.02720009 × 10^8.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 58697136 positive integers (up to 102720009) that are relatively prime to 102720009.
102720009 has 8 divisors, whose sum is 156525760
The reverse of 102720009 is 900027201
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred two million seven hundred twenty thousand nine
Scientific notation
1.02720009 × 10^8
Engineering notation
1.02720009 × 10^6
Prime Factorization
3 × 7 × 4891429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
102720009
Product of the distinct prime numbers
The prime factorization of 102720009 is 3 × 7 × 4891429.
Since it has a total of 3 prime factors.
1 , 1 , 91 , 32 , 426 , 795 , 8481 , 4723 , 32103 , 87614 , 967587 , 315193 , 390812 , 4783447 , 15335529 , 68535099 , 940036978 , 783867468 , 7187969770 , 6307291547
n×2
205440018
n×3
308160027
n×4
410880036
n×5
513600045
n÷2
51360004.5
n÷3
34240003
n÷3
25680002.25
n÷5
20544001.8
n2
10551400248960081
n3
1.0838399285358E+24
n4
1.1133204721375E+32
n5
1.1436028891785E+40
2 √n
10135.088011458
3 √n
468.32968131914
4 √n
100.67317423951
5 √n
40.024969509838
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-102720008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 102720009 can be divided by 8 positive divisors.
The sum of these divisors (counting 102720009) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111110110001000001001
3
Ternary
21011021201100210
4
Quaternary
12013312020021
5
Quinary
202244020014
6
Senary
14105351333
8
Octal
607661011
10
Decimal
102720009
12
Duodecimal
2a498549
16
Hexadecimal
61f6209
20
Vigesimal
1c20009
36
Base36
1p5n9l
md5
a4699644c9b4c22c15e02d36320f8166
sha1
8e4199c74a03169d13d634d11a608c3d5c2a9bf8
sha256
3eb24cbf5a9586c196efb973d8b4b18061b2b93c0d22a7dd1bf28443837e9aa4
sha512
f5c70776079c2416c62badd8f80474b4edfd6d9e84d6aa23d38a9228a8481a0e6192fc5ae1126533c0cdb421f268869242d20a5839629a396075f38727fb4f94
ripemd-160
3cf5ffe45f8dbb65fc6c6dab8b2e19ad84c1dfd6
Diameter
205440018
Circumference
645408851.30215
Area
3.3148201507218E+16
Volume
4.5399780762071E+24
Surface area
1.3259280602887E+17
Circumference
645408851.30215
Perimeter
410880036
Area
10551400248960081
Diagonal
145268029.85489
Surface area
63308401493760486
Volume
1.0838399285358E+24
Space diagonal
177916274.54193
Perimeter
308160027
Area
4.5688903305484E+15
Altitude
88958137.270966
Surface area
4.5688903305484E+15
Volume
1.277317605314E+23
Height
48422676.618295