38821981 (number)

38821981 is an odd 8-digits composite number following 38821980 and preceding 38821982. In scientific notation, it is written as 3.8821981 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 33779200 positive integers (up to 38821981) that are relatively prime to 38821981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.8821981 × 10^7
Engineering notation 3.8821981 × 10^6

Prime Factorization of 38821981

Prime Factorization 29 × 11 × 131 × 929

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 38821981
Product of the distinct prime numbers

The prime factorization of 38821981 is 29 × 11 × 131 × 929. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 73, 49, 973, 227, 2636, 2894, 2491, 19427, 814861, 768163, 6450716, 8235712, 71266654, 24900999, 294864753, 763244550, 5499602959, 5277167407

Basic calculations (n = 38821981)

Multiplication

n×y
n×2 77643962
n×3 116465943
n×4 155287924
n×5 194109905

Division

n÷y
n÷2 19410990.5
n÷3 12940660.333333
n÷3 9705495.25
n÷5 7764396.2

Exponentiation

ny
n2 1507146208764361
n3 5.8510401480872E+22
n4 2.2714896945928E+30
n5 8.8183729765177E+37

Nth Root

y√n
2√n 6230.7287695742
3√n 338.60437425524
4√n 78.934965443549
5√n 32.946974406697

Divisors of 38821981

1, 11, 29, 131, 319, 929, 1441, 3799, 10219, 26941, 41789, 121699, 296351, 1338689, 3529271, 38821981

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 -38821980
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 38821981 can be divided by 16 positive divisors. The sum of these divisors (counting 38821981) is 1, the average is 0.0625.

Base conversion 38821981

Base System Value
2 Binary 10010100000110000001011101
3 Ternary 2201001100202011
4 Quaternary 2110012001131
5 Quinary 34414300411
6 Senary 3504031221
8 Octal 224060135
10 Decimal 38821981
12 Duodecimal 11002511
16 Hexadecimal 250605d
20 Vigesimal c2cej1
36 Base36 n438d

Cryptographic Hash Functions

md5 de4f1ce4eea039f1c2fb919db0b96d37
sha1 561b05b75a7623d205d36190ccc3f53cfa12e89d
sha256 30e5b9a59863fde57bca309b8dbfd0bb6d045e445c756f511d399759d26e5af4
sha512 c5342d0e2b914aba485d68a54b115553e34c9c7b7f82055c53dc901ab1e631b038ae2d91375d3a4d6a23137c9d994d60704ae609b0bf86ede62305b10a43b6e7
ripemd-160 4899589c2fbc00705102d69092f1dc692eb0b025

38821981 as geometric shapes

Circle

Radius = n
Diameter 77643962
Circumference 243925700.61481
Area 4.7348394573398E+15

Sphere

Radius = n
Volume 2.450877966012E+23
Surface area 1.8939357829359E+16
Circumference 243925700.61481

Square

Length = n
Perimeter 155287924
Area 1507146208764361
Diagonal 54902572.048391

Cube

Length = n
Surface area 9042877252586166
Volume 5.8510401480872E+22
Space diagonal 67241643.542474

Equilateral Triangle

Length = n
Perimeter 116465943
Area 6.5261345200367E+14
Altitude 33620821.771237

Triangular Pyramid

Length = n
Surface area 6.5261345200367E+14
Volume 6.8955169428453E+21
Height 18300857.349464