387638421 (number)

387638421 is an odd 9-digits composite number following 387638420 and preceding 387638422. In scientific notation, it is written as 3.87638421 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 252120960 positive integers (up to 387638421) that are relatively prime to 387638421.

Interesting facts

Basic properties

Name

Name three hundred eighty-seven million six hundred thirty-eight thousand four hundred twenty-one

Notation

Scientific notation 3.87638421 × 10^8
Engineering notation 3.87638421 × 10^6

Prime Factorization of 387638421

Prime Factorization 3 × 43 × 1481 × 2029

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 387638421
Product of the distinct prime numbers

The prime factorization of 387638421 is 3 × 43 × 1481 × 2029. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 67, 42, 820, 202, 8549, 6726, 471, 57950, 853861, 441374, 6568924, 2008417, 54506194, 25902594, 62389226, 558053277, 5151018182, 8599250810

Basic calculations (n = 387638421)

Multiplication

n×y
n×2 775276842
n×3 1162915263
n×4 1550553684
n×5 1938192105

Division

n÷y
n÷2 193819210.5
n÷3 129212807
n÷3 96909605.25
n÷5 77527684.2

Exponentiation

ny
n2 150263545435373241
n3 5.824792348643E+25
n4 2.2579133086808E+34
n5 8.7525394973193E+42

Nth Root

y√n
2√n 19688.535268018
3√n 729.13666687931
4√n 140.31584111574
5√n 52.201786147647

Divisors of 387638421

1, 3, 43, 129, 1481, 2029, 4443, 6087, 63683, 87247, 191049, 261741, 3004949, 9014847, 129212807, 387638421

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 -387638420
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 387638421 can be divided by 16 positive divisors. The sum of these divisors (counting 387638421) is 1, the average is 0.0625.

Base conversion 387638421

Base System Value
2 Binary 10111000110101110010010010101
3 Ternary 1000000102001221120
4 Quaternary 113012232102111
5 Quinary 1243213412141
6 Senary 102244234153
8 Octal 2706562225
10 Decimal 387638421
12 Duodecimal a999b959
16 Hexadecimal 171ae495
20 Vigesimal 612eg11
36 Base36 6esfpx

Cryptographic Hash Functions

md5 6dc59955f7f5d8d2affa8421f879ed43
sha1 29a0dfe49b264609ff081d24d2563440a2656ad3
sha256 03d05ff233281cdc304dc75eeb0e023b55cc43dd77cc7da3b1fc077e5b9b3ec2
sha512 a4ee0455e0520bab7d9c009cf828498b1579f79f44bb5c7139fa5ce47ac0794f2cbe49cf35555e5d9502d704efcddad35151e3ddce5029b1875dc68891d70a20
ripemd-160 d958e8746e750d851f61532d84b439d7a9d42ca4

387638421 as geometric shapes

Circle

Radius = n
Diameter 775276842
Circumference 2435604031.3255
Area 4.7206685044212E+17

Sphere

Radius = n
Volume 2.439883313491E+26
Surface area 1.8882674017685E+18
Circumference 2435604031.3255

Square

Length = n
Perimeter 1550553684
Area 150263545435373241
Diagonal 548203512.27509

Cube

Length = n
Surface area 901581272612239446
Volume 5.824792348643E+25
Space diagonal 671409440.13777

Equilateral Triangle

Length = n
Perimeter 1162915263
Area 6.5066023804875E+16
Altitude 335704720.06889

Triangular Pyramid

Length = n
Surface area 6.5066023804875E+16
Volume 6.8645836145483E+24
Height 182734504.0917