38888921 is an odd 8-digits composite number following 38888920
and preceding 38888922 . In scientific notation, it is written as 3.8888921 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 38687232 positive integers (up to 38888921) that are relatively prime to 38888921.
38888921 has 4 divisors, whose sum is 39090612
The reverse of 38888921 is 12988883
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty-eight million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
3.8888921 × 10^7
Engineering notation
3.8888921 × 10^6
Prime Factorization
193 × 201497
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
38888921
Product of the distinct prime numbers
The prime factorization of 38888921 is 193 × 201497.
Since it has a total of 2 prime factors.
4 , 2 , 4 , 71 , 838 , 171 , 2988 , 1856 , 7246 , 34317 , 522188 , 113820 , 551083 , 2175279 , 65668835 , 21115889 , 558224049 , 877419276 , 8703408649 , 6722731447
n×2
77777842
n×3
116666763
n×4
155555684
n×5
194444605
n÷2
19444460.5
n÷3
12962973.666667
n÷3
9722230.25
n÷5
7777784.2
n2
1512348176544241
n3
5.8813588762123E+22
n4
2.2871970070967E+30
n5
8.894662372042E+37
2 √n
6236.0982192393
3 √n
338.79887885526
4 √n
78.96896997707
5 √n
32.958328545984
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
-38888920
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 38888921 can be divided by 4 positive divisors.
The sum of these divisors (counting 38888921) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010100010110010111011001
3
Ternary
2201011202120102
4
Quaternary
2110112113121
5
Quinary
34423421141
6
Senary
3505305145
8
Octal
224262731
10
Decimal
38888921
12
Duodecimal
110351b5
16
Hexadecimal
25165d9
20
Vigesimal
c31261
36
Base36
n5ivt
md5
f8c9947d95893d179a84bbfc79734087
sha1
81fe9b72ddb0f867ed0598f149c238155f85f0e2
sha256
f5a255d35efec6f5599e297e51237ec5ba612fdd9dd60792e4c0f45a6f8d62de
sha512
47537281bbb133da0d97b6ea0057f571965dd3558b2367aff3d59a99004eefa14496ac4c1588e927a8c8ad08e20784f6e50e39c38fedbd1bdf6f271676b3c727
ripemd-160
2cfe2a4ce4c1e87437c416edce5e3df509cfdf4e
Diameter
77777842
Circumference
244346297.03927
Area
4.7511819211013E+15
Volume
2.4635778451512E+23
Surface area
1.9004727684405E+16
Circumference
244346297.03927
Perimeter
155555684
Area
1512348176544241
Diagonal
54997239.504256
Surface area
9074089059265446
Volume
5.8813588762123E+22
Space diagonal
67357587.023532
Perimeter
116666763
Area
6.5486597012719E+14
Altitude
33678793.511766
Surface area
6.5486597012719E+14
Volume
6.9312479066024E+21
Height
18332413.168085