130781620 is an even 9-digits composite number following 130781619
and preceding 130781621 . In scientific notation, it is written as 1.30781620 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 52312640 positive integers (up to 130781620) that are relatively prime to 130781620.
130781620 has 12 divisors, whose sum is 274641444
The reverse of 130781620 is 026187031
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred thirty million seven hundred eighty-one thousand six hundred twenty
Scientific notation
1.30781620 × 10^8
Engineering notation
1.30781620 × 10^6
Prime Factorization
2 × 2 × 5 × 6539081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65390810
Product of the distinct prime numbers
The prime factorization of 130781620 is 2 × 2 × 5 × 6539081.
Since it has a total of 4 prime factors.
4 , 2 , 46 , 19 , 373 , 336 , 3570 , 8086 , 61278 , 94449 , 349994 , 369110 , 185060 , 7350595 , 11420588 , 49430438 , 480725146 , 468964086 , 9177628647 , 9916349215
n×2
261563240
n×3
392344860
n×4
523126480
n×5
653908100
n÷2
65390810
n÷3
43593873.333333
n÷3
32695405
n÷5
26156324
n2
17103832129824400
n3
2.2368668741465E+24
n4
2.9254107352521E+32
n5
3.8258995512167E+40
2 √n
11435.979188509
3 √n
507.59293759294
4 √n
106.9391377771
5 √n
42.005807958419
1 , 2 , 4 , 5 , 10 , 20 , 6539081 , 13078162 , 26156324 , 32695405 , 65390810 , 130781620
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-130781619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 130781620 can be divided by 12 positive divisors.
The sum of these divisors (counting 130781620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111110010111001000110110100
3
Ternary
100010002101122201
4
Quaternary
13302321012310
5
Quinary
231440002440
6
Senary
20551034244
8
Octal
762710664
10
Decimal
130781620
12
Duodecimal
3796b984
16
Hexadecimal
7cb91b4
20
Vigesimal
20h7e10
36
Base36
25v3qs
md5
fd227fff8c8d6eee30d4335fd4ba6a53
sha1
7bbcf47031049b81666663504afe64645905e0e1
sha256
0b7c977a5ea99d29617291dcc3645996be5cbc1758155a7ceca3b9c59a49a1ce
sha512
356bbb89d5a2e8608f359eed8df75eaa6259ebafc468a196c3d66e30367533f0d1a53fc6a02000c110f734a03eaeeed600094f9548cec027ed8f68bea1963119
ripemd-160
cc158c7edc6c8077c87892ff90ab3048b1234ae2
Diameter
261563240
Circumference
821725153.23314
Area
5.3733273367289E+16
Volume
9.3697660518359E+24
Surface area
2.1493309346916E+17
Circumference
821725153.23314
Perimeter
523126480
Area
17103832129824400
Diagonal
184953140.71312
Surface area
102622992778946400
Volume
2.2368668741465E+24
Space diagonal
226520410.53617
Perimeter
392344860
Area
7.4061765632462E+15
Altitude
113260205.26808
Surface area
7.4061765632462E+15
Volume
2.6361728922009E+23
Height
61651046.904375