388620820 is an even 9-digits composite number following 388620819
and preceding 388620821 . In scientific notation, it is written as 3.88620820 × 10^8.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 133241376 positive integers (up to 388620820) that are relatively prime to 388620820.
388620820 has 24 divisors, whose sum is 932690304
The reverse of 388620820 is 028026883
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
three hundred eighty-eight million six hundred twenty thousand eight hundred twenty
Scientific notation
3.88620820 × 10^8
Engineering notation
3.88620820 × 10^6
Prime Factorization
2 × 2 × 5 × 7 × 2775863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
194310410
Product of the distinct prime numbers
The prime factorization of 388620820 is 2 × 2 × 5 × 7 × 2775863.
Since it has a total of 5 prime factors.
1 , 3 , 72 , 72 , 135 , 154 , 963 , 4935 , 40077 , 78747 , 393268 , 265787 , 1216499 , 8438721 , 73442318 , 48042386 , 50907442 , 537932768 , 2003403690 , 2301660329
n×2
777241640
n×3
1165862460
n×4
1554483280
n×5
1943104100
n÷2
194310410
n÷3
129540273.33333
n÷3
97155205
n÷5
77724164
n2
151026141737472400
n3
5.8691903043453E+25
n4
2.2808895488107E+34
n5
8.8640116678825E+42
2 √n
19713.467985111
3 √n
729.752101978
4 √n
140.40465798937
5 √n
52.22821855047
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 2775863 , 5551726 , 11103452 , 13879315 , 19431041 , 27758630 , 38862082 , 55517260 , 77724164 , 97155205 , 194310410 , 388620820
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388620819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388620820 can be divided by 24 positive divisors.
The sum of these divisors (counting 388620820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10111001010011110001000010100
3
Ternary
1000002020222112201
4
Quaternary
113022132020110
5
Quinary
1243441331240
6
Senary
102321254244
8
Octal
2712361024
10
Decimal
388620820
12
Duodecimal
aa194384
16
Hexadecimal
1729e214
20
Vigesimal
618hc10
36
Base36
6fdhqs
md5
518ae8e80dd19100fc366419757e7955
sha1
77f8a3d8e2d9652db647d03441872fdd1d6f9e2e
sha256
a29e639abfdca4fd5c5a73f1b696cfda8db06a7ad4bdde854a504441d0aed19f
sha512
d950616626ace955182036709e0068a3d502643d65fca8648cc58aedd00b4eef061f4de42ea2ad3a35a0039a60af33f13a04922d453f7d63a51279a925a77f1c
ripemd-160
2faa63fd8c2ffd1d711b76a464ac564c3df418ce
Diameter
777241640
Circumference
2441776626.2881
Area
4.7446261738245E+17
Volume
2.4584806856869E+26
Surface area
1.8978504695298E+18
Circumference
2441776626.2881
Perimeter
1554483280
Area
151026141737472400
Diagonal
549592834.26455
Surface area
906156850424834400
Volume
5.8691903043453E+25
Space diagonal
673111005.11908
Perimeter
1165862460
Area
6.53962376901E+16
Altitude
336555502.55954
Surface area
6.53962376901E+16
Volume
6.9169071071281E+24
Height
183197611.42152