388021220 is an even 9-digits composite number following 388021219
and preceding 388021221 . In scientific notation, it is written as 3.88021220 × 10^8.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 151013376 positive integers (up to 388021220) that are relatively prime to 388021220.
388021220 has 24 divisors, whose sum is 836868984
The reverse of 388021220 is 022120883
Previous prime number is 37
Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8
Name
three hundred eighty-eight million twenty-one thousand two hundred twenty
Scientific notation
3.88021220 × 10^8
Engineering notation
3.88021220 × 10^6
Prime Factorization
2 × 2 × 5 × 37 × 524353
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
194010610
Product of the distinct prime numbers
The prime factorization of 388021220 is 2 × 2 × 5 × 37 × 524353.
Since it has a total of 5 prime factors.
5 , 7 , 8 , 55 , 95 , 581 , 1635 , 9172 , 98424 , 69754 , 26318 , 216373 , 6184542 , 3992105 , 3845133 , 20519679 , 622976307 , 720667239 , 4227509407 , 5491720382
n×2
776042440
n×3
1164063660
n×4
1552084880
n×5
1940106100
n÷2
194010610
n÷3
129340406.66667
n÷3
97005305
n÷5
77604244
n2
150560467170288400
n3
5.8420656155185E+25
n4
2.2668454274535E+34
n5
8.7958412831195E+42
2 √n
19698.254237368
3 √n
729.37659920294
4 √n
140.35046931652
5 √n
52.212092093497
1 , 2 , 4 , 5 , 10 , 20 , 37 , 74 , 148 , 185 , 370 , 740 , 524353 , 1048706 , 2097412 , 2621765 , 5243530 , 10487060 , 19401061 , 38802122 , 77604244 , 97005305 , 194010610 , 388021220
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
-388021219
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 388021220 can be divided by 24 positive divisors.
The sum of these divisors (counting 388021220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10111001000001011101111100100
3
Ternary
1000001010112001022
4
Quaternary
113020023233210
5
Quinary
1243313134340
6
Senary
102300350312
8
Octal
2710135744
10
Decimal
388021220
12
Duodecimal
a9b45398
16
Hexadecimal
1720bbe4
20
Vigesimal
6152d10
36
Base36
6f0n38
md5
bdd0b737e5c60cee880bcb922b10ee24
sha1
fb8c412b82e9364d8687fdee8c47522d1f759442
sha256
5d2d193f435f52764628bb23ea527e83a30ca214934edd1cebcc08d669f13c29
sha512
da6e60a74febc47237d864d43b38a04ffd336fd30811f6ddf053eacdb085b1e7426fd4a5de322d5803e2bb0be9851d6ed006a84ee120b63a17abd6d069a45709
ripemd-160
02970d4ad552b3e883cc58c053932f0da61d1e78
Diameter
776042440
Circumference
2438009228.3779
Area
4.7299965758323E+17
Volume
2.4471187226003E+26
Surface area
1.8919986303329E+18
Circumference
2438009228.3779
Perimeter
1552084880
Area
150560467170288400
Diagonal
548744871.81255
Surface area
903362803021730400
Volume
5.8420656155185E+25
Space diagonal
672072467.45486
Perimeter
1164063660
Area
6.5194594687561E+16
Altitude
336036233.72743
Surface area
6.5194594687561E+16
Volume
6.8849403547832E+24
Height
182914957.27085