388021245 is an odd 9-digits composite number following 388021244
and preceding 388021246 . In scientific notation, it is written as 3.88021245 × 10^8.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 206944656 positive integers (up to 388021245) that are relatively prime to 388021245.
388021245 has 4 divisors, whose sum is 413889344
The reverse of 388021245 is 542120883
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
three hundred eighty-eight million twenty-one thousand two hundred forty-five
Scientific notation
3.88021245 × 10^8
Engineering notation
3.88021245 × 10^6
Prime Factorization
15 × 25868083
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388021245
Product of the distinct prime numbers
The prime factorization of 388021245 is 15 × 25868083.
Since it has a total of 2 prime factors.
2 , 8 , 47 , 49 , 340 , 755 , 7197 , 8004 , 67352 , 27320 , 842778 , 943587 , 6475070 , 1138913 , 25945799 , 95614266 , 796625332 , 777135756 , 3971901437 , 2421721195
n×2
776042490
n×3
1164063735
n×4
1552084980
n×5
1940106225
n÷2
194010622.5
n÷3
129340415
n÷3
97005311.25
n÷5
77604249
n2
150560486571350025
n3
5.8420667447221E+25
n4
2.2668460116602E+34
n5
8.7958441166766E+42
2 √n
19698.254871942
3 √n
729.37661486739
4 √n
140.3504715772
5 √n
52.212092766296
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388021244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388021245 can be divided by 4 positive divisors.
The sum of these divisors (counting 388021245) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001000001011101111111101
3
Ternary
1000001010112002020
4
Quaternary
113020023233331
5
Quinary
1243313134440
6
Senary
102300350353
8
Octal
2710135775
10
Decimal
388021245
12
Duodecimal
a9b453b9
16
Hexadecimal
1720bbfd
20
Vigesimal
6152d25
36
Base36
6f0n3x
md5
fd21585ac87d421ba597086321759433
sha1
0970e5443069de8a637daca0436bbe65ab02cb0e
sha256
26a2555a385c2a0c23ddf8b43599d879334c839f4d45fa3207ef398b39c9c9b7
sha512
8bb001b9137be44b396e0bdf868b2b901c48bcb81ee3b3b935771028284ac54dac53429dbc0761e2017e33d79fdeeff755a25e5008670f2636fabefd539f396a
ripemd-160
5a2f055a1834d2a0b156a303bc97f298b01f7abb
Diameter
776042490
Circumference
2438009385.4575
Area
4.7299971853346E+17
Volume
2.4471191956E+26
Surface area
1.8919988741338E+18
Circumference
2438009385.4575
Perimeter
1552084980
Area
150560486571350025
Diagonal
548744907.16789
Surface area
903362919428100150
Volume
5.8420667447221E+25
Space diagonal
672072510.75613
Perimeter
1164063735
Area
6.5194603088467E+16
Altitude
336036255.37807
Surface area
6.5194603088467E+16
Volume
6.8849416855624E+24
Height
182914969.05596