388021228 is an even 9-digits composite number following 388021227
and preceding 388021229 . In scientific notation, it is written as 3.88021228 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 166294800 positive integers (up to 388021228) that are relatively prime to 388021228.
388021228 has 12 divisors, whose sum is 776042512
The reverse of 388021228 is 822120883
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
three hundred eighty-eight million twenty-one thousand two hundred twenty-eight
Scientific notation
3.88021228 × 10^8
Engineering notation
3.88021228 × 10^6
Prime Factorization
2 × 2 × 7 × 13857901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194010614
Product of the distinct prime numbers
The prime factorization of 388021228 is 2 × 2 × 7 × 13857901.
Since it has a total of 4 prime factors.
4 , 7 , 22 , 41 , 863 , 457 , 8284 , 9701 , 72246 , 48497 , 405787 , 477916 , 6397235 , 1609266 , 41179128 , 66038270 , 936259729 , 88777344 , 5679255216 , 2116257989
n×2
776042456
n×3
1164063684
n×4
1552084912
n×5
1940106140
n÷2
194010614
n÷3
129340409.33333
n÷3
97005307
n÷5
77604245.6
n2
150560473378627984
n3
5.8420659768637E+25
n4
2.2668456143997E+34
n5
8.7958421898577E+42
2 √n
19698.254440432
3 √n
729.37660421556
4 √n
140.35047003994
5 √n
52.212092308793
1 , 2 , 4 , 7 , 14 , 28 , 13857901 , 27715802 , 55431604 , 97005307 , 194010614 , 388021228
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
-388021227
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 388021228 can be divided by 12 positive divisors.
The sum of these divisors (counting 388021228) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001000001011101111101100
3
Ternary
1000001010112001121
4
Quaternary
113020023233230
5
Quinary
1243313134403
6
Senary
102300350324
8
Octal
2710135754
10
Decimal
388021228
12
Duodecimal
a9b453a4
16
Hexadecimal
1720bbec
20
Vigesimal
6152d18
36
Base36
6f0n3g
md5
d5e034ccf66e658d4d16ad357151e19b
sha1
f192cb92f1d5ecb684c7bcb9a93e0b0e0f3a9205
sha256
d416f28bc7a537c97d92bfe84298eb07d595980a71f5bdbe54b0ac99ca61f26f
sha512
4c4c28409ed5e19ceb001639d3f13d82b7232fcbc6b1c674d23ca99d9794eefaae89cb6e52791afe4b646e66f3587a990666d6009964b63bc8c4bd37ea2af632
ripemd-160
03a6915c972ef397a40f840a170cf460acddee21
Diameter
776042456
Circumference
2438009278.6434
Area
4.729996770873E+17
Volume
2.4471188739602E+26
Surface area
1.8919987083492E+18
Circumference
2438009278.6434
Perimeter
1552084912
Area
150560473378627984
Diagonal
548744883.12626
Surface area
903362840271767904
Volume
5.8420659768637E+25
Space diagonal
672072481.31127
Perimeter
1164063684
Area
6.5194597375851E+16
Altitude
336036240.65563
Surface area
6.5194597375851E+16
Volume
6.8849407806325E+24
Height
182914961.04209