38872021 is an odd 8-digits composite number following 38872020
and preceding 38872022 . In scientific notation, it is written as 3.8872021 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 38720512 positive integers (up to 38872021) that are relatively prime to 38872021.
38872021 has 4 divisors, whose sum is 39023532
The reverse of 38872021 is 12027883
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-eight million eight hundred seventy-two thousand twenty-one
Scientific notation
3.8872021 × 10^7
Engineering notation
3.8872021 × 10^6
Prime Factorization
257 × 151253
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
38872021
Product of the distinct prime numbers
The prime factorization of 38872021 is 257 × 151253.
Since it has a total of 2 prime factors.
8 , 4 , 3 , 7 , 818 , 370 , 4663 , 7844 , 79268 , 734 , 992621 , 743158 , 7312160 , 2040602 , 40478604 , 97194150 , 870582606 , 750619812 , 6420786046 , 6160613820
n×2
77744042
n×3
116616063
n×4
155488084
n×5
194360105
n÷2
19436010.5
n÷3
12957340.333333
n÷3
9718005.25
n÷5
7774404.2
n2
1511034016624441
n3
5.873694602594E+22
n4
2.2832237993962E+30
n5
8.8753523477829E+37
2 √n
6234.7430580578
3 √n
338.74979434726
4 √n
78.96038917114
5 √n
32.955463500695
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
-38872020
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 38872021 can be divided by 4 positive divisors.
The sum of these divisors (counting 38872021) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010100010010001111010101
3
Ternary
2201010220101111
4
Quaternary
2110102033111
5
Quinary
34422401041
6
Senary
3505055021
8
Octal
224221725
10
Decimal
38872021
12
Duodecimal
11027471
16
Hexadecimal
25123d5
20
Vigesimal
c2j011
36
Base36
n55ud
md5
296f0c54ec5b1637bcaba1badd880e2a
sha1
76e9f8eeea9e61d19c03679d67f27602720e2db5
sha256
20bdfd55759ab209278e08cd887ed51735f517154b94dc67ec1d054ece62d454
sha512
4285104f6205da83a38833e6a4e18b59e1f7d9c24549a25ebd4b01702f7688a054cfe2dede3485ec483f81650ad75ef6ff3538ecd8f0c95310ee12395d7a3ec3
ripemd-160
66e3e7bf62c65ae250c660912b2b93d3486450ff
Diameter
77744042
Circumference
244240111.20758
Area
4.7470533659516E+15
Volume
2.4603674417252E+23
Surface area
1.8988213463806E+16
Circumference
244240111.20758
Perimeter
155488084
Area
1511034016624441
Diagonal
54973339.295052
Surface area
9066204099746646
Volume
5.873694602594E+22
Space diagonal
67328315.364884
Perimeter
116616063
Area
6.542969221896E+14
Altitude
33664157.682442
Surface area
6.542969221896E+14
Volume
6.9222154735217E+21
Height
18324446.431684