188439388 is an even 9-digits composite number following 188439387
and preceding 188439389 . In scientific notation, it is written as 1.88439388 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 93988512 positive integers (up to 188439388) that are relatively prime to 188439388.
188439388 has 12 divisors, whose sum is 330578080
The reverse of 188439388 is 883934881
Previous prime number is 409
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred eighty-eight million four hundred thirty-nine thousand three hundred eighty-eight
Scientific notation
1.88439388 × 10^8
Engineering notation
1.88439388 × 10^6
Prime Factorization
2 × 2 × 409 × 115183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
94219694
Product of the distinct prime numbers
The prime factorization of 188439388 is 2 × 2 × 409 × 115183.
Since it has a total of 4 prime factors.
1 , 4 , 4 , 59 , 829 , 331 , 5713 , 6016 , 85085 , 83728 , 845191 , 226993 , 4747920 , 4793117 , 96835164 , 82410906 , 297048235 , 239833054 , 712132209 , 3434319509
n×2
376878776
n×3
565318164
n×4
753757552
n×5
942196940
n÷2
94219694
n÷3
62813129.333333
n÷3
47109847
n÷5
37687877.6
n2
35509402949814544
n3
6.6913701601084E+24
n4
1.2609176978523E+33
n5
2.3760655930166E+41
2 √n
13727.322681426
3 √n
573.31137903434
4 √n
117.16365768201
5 √n
45.189167128471
1 , 2 , 4 , 409 , 818 , 1636 , 115183 , 230366 , 460732 , 47109847 , 94219694 , 188439388
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
-188439387
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 188439388 can be divided by 12 positive divisors.
The sum of these divisors (counting 188439388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011001110110101101101011100
3
Ternary
111010120201020121
4
Quaternary
23032311231130
5
Quinary
341220030023
6
Senary
30410524324
8
Octal
1316655534
10
Decimal
188439388
12
Duodecimal
531366a4
16
Hexadecimal
b3b5b5c
20
Vigesimal
2ihei98
36
Base36
346wrg
md5
41e1236ba3aadc1f28aa681006016fcc
sha1
d3036bfe5c58ec7c62bcb91dca636a0a732821ab
sha256
9244d7da10b93ffe68f188268a86f3320463bbf0cbee090cbc3ae140cb93e289
sha512
e1e5144fecdd12e6437f4cba96715fe63d0c97fd95877bc0fb60990bec0517a64824a123e01bee3ab4e7cae2c55fa68fdcd276be3c691a9f077d448c2122fd1c
ripemd-160
f211053895ba920fda6eb6a25905960d2fce6741
Diameter
376878776
Circumference
1183999593.9755
Area
1.115560794405E+17
Volume
2.8028745783262E+25
Surface area
4.4622431776199E+17
Circumference
1183999593.9755
Perimeter
753757552
Area
35509402949814544
Diagonal
266493538.19489
Surface area
213056417698887264
Volume
6.6913701601084E+24
Space diagonal
326386594.16319
Perimeter
565318164
Area
1.5376022513879E+16
Altitude
163193297.08159
Surface area
1.5376022513879E+16
Volume
7.8858553594033E+23
Height
88831179.398295