38891985 (number)

38891985 is an odd 8-digits composite number following 38891984 and preceding 38891986. In scientific notation, it is written as 3.8891985 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 18393600 positive integers (up to 38891985) that are relatively prime to 38891985.

Interesting facts

Basic properties

Name

Name thirty-eight million eight hundred ninety-one thousand nine hundred eighty-five

Notation

Scientific notation 3.8891985 × 10^7
Engineering notation 3.8891985 × 10^6

Prime Factorization of 38891985

Prime Factorization 15 × 11 × 41 × 5749

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 38891985
Product of the distinct prime numbers

The prime factorization of 38891985 is 15 × 11 × 41 × 5749. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 49, 4, 251, 729, 3485, 1206, 49555, 62369, 612806, 121124, 6377612, 3051003, 4848057, 13594036, 516792992, 651580993, 2990018249, 61397826

Basic calculations (n = 38891985)

Multiplication

n×y
n×2 77783970
n×3 116675955
n×4 155567940
n×5 194459925

Division

n÷y
n÷2 19445992.5
n÷3 12963995
n÷3 9722996.25
n÷5 7778397

Exponentiation

ny
n2 1512586497240225
n3 5.8827491361869E+22
n4 2.2879179116335E+30
n5 8.898166910048E+37

Nth Root

y√n
2√n 6236.3438808327
3√n 338.80777644079
4√n 78.970525392913
5√n 32.958847877113

Divisors of 38891985

1, 11, 15, 41, 165, 451, 615, 5749, 6765, 63239, 86235, 235709, 948585, 2592799, 3535635, 38891985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -38891984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 38891985 can be divided by 16 positive divisors. The sum of these divisors (counting 38891985) is 1, the average is 0.0625.

Base conversion 38891985

Base System Value
2 Binary 10010100010111000111010001
3 Ternary 2201011220202220
4 Quaternary 2110113013101
5 Quinary 34424020420
6 Senary 3505331253
8 Octal 224270721
10 Decimal 38891985
12 Duodecimal 11036b29
16 Hexadecimal 25171d1
20 Vigesimal c319j5
36 Base36 n5l8x

Cryptographic Hash Functions

md5 8020f6638254fa9be2186baf2675e1a2
sha1 5e025d292165b5c5c19db08743f2ae30dba2bea9
sha256 4e1341ba39176de72bab08c3478b3e1c92125cc6679d87fea440c47af9b80335
sha512 6560fd570f36caa99eca20528eca37b1d3a9e2692577ee62c974a75441a7837fbbcc6c89f7592a0529d69cbb70d4a3f0c9bdd37dc1d835bdebbc5875d110bd2c
ripemd-160 6a8368dac9d9404af24134585279741bf1203877

38891985 as geometric shapes

Circle

Radius = n
Diameter 77783970
Circumference 244365548.71905
Area 4.751930627649E+15

Sphere

Radius = n
Volume 2.4641601958875E+23
Surface area 1.9007722510596E+16
Circumference 244365548.71905

Square

Length = n
Perimeter 155567940
Area 1512586497240225
Diagonal 55001572.654611

Cube

Length = n
Surface area 9075518983441350
Volume 5.8827491361869E+22
Space diagonal 67362894.027207

Equilateral Triangle

Length = n
Perimeter 116675955
Area 6.5496916601568E+14
Altitude 33681447.013603

Triangular Pyramid

Length = n
Surface area 6.5496916601568E+14
Volume 6.9328863436951E+21
Height 18333857.551537