381861808 (number)

381861808 is an even 9-digits composite number following 381861807 and preceding 381861809. In scientific notation, it is written as 3.81861808 × 10^8. The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors. There are 190848960 positive integers (up to 381861808) that are relatively prime to 381861808.

Interesting facts

Basic properties

Name

Name three hundred eighty-one million eight hundred sixty-one thousand eight hundred eight

Notation

Scientific notation 3.81861808 × 10^8
Engineering notation 3.81861808 × 10^6

Prime Factorization of 381861808

Prime Factorization 2 × 2 × 2 × 2 × 6661 × 3583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 47732726
Product of the distinct prime numbers

The prime factorization of 381861808 is 2 × 2 × 2 × 2 × 6661 × 3583. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 9, 50, 13, 153, 797, 7489, 2578, 49694, 37562, 192293, 299960, 8918493, 6619127, 14184440, 19268277, 133220291, 657965164, 5092256178, 2424224982

Basic calculations (n = 381861808)

Multiplication

n×y
n×2 763723616
n×3 1145585424
n×4 1527447232
n×5 1909309040

Division

n÷y
n÷2 190930904
n÷3 127287269.33333
n÷3 95465452
n÷5 76372361.6

Exponentiation

ny
n2 145818440409028864
n3 5.5682493294332E+25
n4 2.1263017563322E+34
n5 8.1195343302657E+42

Nth Root

y√n
2√n 19541.284706999
3√n 725.49664456668
4√n 139.79014524279
5√n 52.045267482017

Divisors of 381861808

1, 2, 4, 8, 16, 3583, 6661, 7166, 13322, 14332, 26644, 28664, 53288, 57328, 106576, 23866363, 47732726, 95465452, 190930904, 381861808

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -381861807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 381861808 can be divided by 20 positive divisors. The sum of these divisors (counting 381861808) is 1, the average is 0.05.

Base conversion 381861808

Base System Value
2 Binary 10110110000101011111110110000
3 Ternary 222121112120220221
4 Quaternary 112300223332300
5 Quinary 1240224034213
6 Senary 101520342424
8 Octal 2660537660
10 Decimal 381861808
12 Duodecimal a7a74a14
16 Hexadecimal 16c2bfb0
20 Vigesimal 5j6cea8
36 Base36 6bcmgg

Cryptographic Hash Functions

md5 62e228cd2c75250423da663d1b25824b
sha1 c6269799fe4303db658c38a398c9b1796431c2a3
sha256 be6efab04c9b1afffc0b8a4eee511678c9abfc0c2737d8b053d9aa3264e1a969
sha512 d712b692c9fba1dbf8640b5f144dcf5ad80035e8d2caa54eb4cbdb884c03f9c8b68cfb1e553feb84e84f1e71eea0bd2ffa94e2a6c562f1aab4709305f09b9329
ripemd-160 48f77ed7de890f67d0067620232636ddba1908de

381861808 as geometric shapes

Circle

Radius = n
Diameter 763723616
Circumference 2399308501.3986
Area 4.5810214114693E+17

Sphere

Radius = n
Volume 2.3324228248938E+26
Surface area 1.8324085645877E+18
Circumference 2399308501.3986

Square

Length = n
Perimeter 1527447232
Area 145818440409028864
Diagonal 540034147.82591

Cube

Length = n
Surface area 874910642454173184
Volume 5.5682493294332E+25
Space diagonal 661404052.92611

Equilateral Triangle

Length = n
Perimeter 1145585424
Area 6.3141236867223E+16
Altitude 330702026.46306

Triangular Pyramid

Length = n
Surface area 6.3141236867223E+16
Volume 6.5622447669661E+24
Height 180011382.60864