38861721 is an odd 8-digits composite number following 38861720
and preceding 38861722 . In scientific notation, it is written as 3.8861721 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 25907796 positive integers (up to 38861721) that are relatively prime to 38861721.
38861721 has 8 divisors, whose sum is 57572960
The reverse of 38861721 is 12716883
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty-eight million eight hundred sixty-one thousand seven hundred twenty-one
Scientific notation
3.8861721 × 10^7
Engineering notation
3.8861721 × 10^6
Prime Factorization
3 × 9 × 1439323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38861721
Product of the distinct prime numbers
The prime factorization of 38861721 is 3 × 9 × 1439323.
Since it has a total of 3 prime factors.
9 , 3 , 60 , 55 , 937 , 589 , 2663 , 7892 , 37176 , 85485 , 335039 , 407395 , 6484776 , 1633082 , 56858125 , 56643896 , 951735009 , 87350258 , 3542928433 , 9949546292
n×2
77723442
n×3
116585163
n×4
155446884
n×5
194308605
n÷2
19430860.5
n÷3
12953907
n÷3
9715430.25
n÷5
7772344.2
n2
1510233359081841
n3
5.8690267445531E+22
n4
2.2808047988836E+30
n5
8.8635999749676E+37
2 √n
6233.9169869353
3 √n
338.71987195912
4 √n
78.955158076818
5 √n
32.953716860063
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38861720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38861721 can be divided by 8 positive divisors.
The sum of these divisors (counting 38861721) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010100001111101110011001
3
Ternary
2201010101021000
4
Quaternary
2110033232121
5
Quinary
34422033341
6
Senary
3504535213
8
Octal
224175631
10
Decimal
38861721
12
Duodecimal
11021509
16
Hexadecimal
250fb99
20
Vigesimal
c2he61
36
Base36
n4xw9
md5
2de6f1c38632f4b288da7e9f5f47adaf
sha1
e53553a66771a8c6b07a69c52f676cb2ded978fd
sha256
56b15fcd840e98cf2cb00f2fda60fcdec0b35e9f73944c95921329f7bfcf40c0
sha512
82c0827072fa8ed5fe47d82eb9bf0051c632a7a7f148339b39f7b06d89156736ae3fe3d7cd725b1327b19098b446b6af6295a16d0ec06ebf658c95752c02bfa6
ripemd-160
6547de4027f7fa622a51eed49a2e59519e188b53
Diameter
77723442
Circumference
244175394.39891
Area
4.7445380260977E+15
Volume
2.4584121739214E+23
Surface area
1.8978152104391E+16
Circumference
244175394.39891
Perimeter
155446884
Area
1510233359081841
Diagonal
54958772.895359
Surface area
9061400154491046
Volume
5.8690267445531E+22
Space diagonal
67310475.241566
Perimeter
116585163
Area
6.5395022730379E+14
Altitude
33655237.620783
Surface area
6.5395022730379E+14
Volume
6.9167143500645E+21
Height
18319590.96512