38861981 (number)

38861981 is an odd 8-digits composite number following 38861980 and preceding 38861982. In scientific notation, it is written as 3.8861981 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 37825200 positive integers (up to 38861981) that are relatively prime to 38861981.

Interesting facts

Basic properties

Name

Name thirty-eight million eight hundred sixty-one thousand nine hundred eighty-one

Notation

Scientific notation 3.8861981 × 10^7
Engineering notation 3.8861981 × 10^6

Prime Factorization of 38861981

Prime Factorization 43 × 317 × 2851

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 38861981
Product of the distinct prime numbers

The prime factorization of 38861981 is 43 × 317 × 2851. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 38861981)

Multiplication

n×y
n×2 77723962
n×3 116585943
n×4 155447924
n×5 194309905

Division

n÷y
n÷2 19430990.5
n÷3 12953993.666667
n÷3 9715495.25
n÷5 7772396.2

Exponentiation

ny
n2 1510253567244361
n3 5.8691445435433E+22
n4 2.2808658373743E+30
n5 8.863896483559E+37

Nth Root

y√n
2√n 6233.9378405627
3√n 338.72062734659
4√n 78.955290136651
5√n 32.953760954576

Divisors of 38861981

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 -38861980
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 38861981 can be divided by 8 positive divisors. The sum of these divisors (counting 38861981) is 1, the average is 0.125.

Base conversion 38861981

Base System Value
2 Binary 10010100001111110010011101
3 Ternary 2201010101121122
4 Quaternary 2110033302131
5 Quinary 34422040411
6 Senary 3504540325
8 Octal 224176235
10 Decimal 38861981
12 Duodecimal 110216a5
16 Hexadecimal 250fc9d
20 Vigesimal c2hej1
36 Base36 n4y3h

Cryptographic Hash Functions

md5 d2306c539ab95d164ec7ffb40686881b
sha1 137d04aed5456d9d0bec5e83cafb3dd08383f346
sha256 45c275b20281f16b8e51a6f44e4571ff17af684fe7270fa4afd72f1bbce33121
sha512 a2ef258e3ee3071b2ca6da9ec446991dd44138844e77772c22691b86082eb35458280e0ab71de3daaf19ec1118868c11e12423140c3c22e74b681dbcf1dfedcc
ripemd-160 6fbc94a09b4b4921f3adbf1086388eb89c481d71

38861981 as geometric shapes

Circle

Radius = n
Diameter 77723962
Circumference 244177028.02709
Area 4.7446015119127E+15

Sphere

Radius = n
Volume 2.4584615174469E+23
Surface area 1.8978406047651E+16
Circumference 244177028.02709

Square

Length = n
Perimeter 155447924
Area 1510253567244361
Diagonal 54959140.590886

Cube

Length = n
Surface area 9061521403466166
Volume 5.8691445435433E+22
Space diagonal 67310925.574776

Equilateral Triangle

Length = n
Perimeter 116585943
Area 6.5395897769484E+14
Altitude 33655462.787388

Triangular Pyramid

Length = n
Surface area 6.5395897769484E+14
Volume 6.9168531775058E+21
Height 18319713.530295