381123721 (number)

381123721 is an odd 9-digits composite number following 381123720 and preceding 381123722. In scientific notation, it is written as 3.81123721 × 10^8. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 342582240 positive integers (up to 381123721) that are relatively prime to 381123721.

Interesting facts

Basic properties

Name

Name three hundred eighty-one million one hundred twenty-three thousand seven hundred twenty-one

Notation

Scientific notation 3.81123721 × 10^8
Engineering notation 3.81123721 × 10^6

Prime Factorization of 381123721

Prime Factorization 11 × 89 × 389299

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 381123721
Product of the distinct prime numbers

The prime factorization of 381123721 is 11 × 89 × 389299. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 61, 40, 424, 433, 8276, 1009, 28064, 14325, 41732, 527906, 665331, 9516452, 74544742, 15146144, 518453123, 902506055, 2839236746, 2731307473

Basic calculations (n = 381123721)

Multiplication

n×y
n×2 762247442
n×3 1143371163
n×4 1524494884
n×5 1905618605

Division

n÷y
n÷2 190561860.5
n÷3 127041240.33333
n÷3 95280930.25
n÷5 76224744.2

Exponentiation

ny
n2 145255290708885841
n3 5.5360236889907E+25
n4 2.1099099478923E+34
n5 8.0413673031563E+42

Nth Root

y√n
2√n 19522.390248123
3√n 725.02891426499
4√n 139.72254738632
5√n 52.025132622447

Divisors of 381123721

1, 11, 89, 979, 389299, 4282289, 34647611, 381123721

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 -381123720
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 381123721 can be divided by 8 positive divisors. The sum of these divisors (counting 381123721) is 1, the average is 0.125.

Base conversion 381123721

Base System Value
2 Binary 10110101101110111110010001001
3 Ternary 222120011002110101
4 Quaternary 112231313302021
5 Quinary 1240031424341
6 Senary 101452445401
8 Octal 2655676211
10 Decimal 381123721
12 Duodecimal a7779861
16 Hexadecimal 16b77c89
20 Vigesimal 5j20961
36 Base36 6awsy1

Cryptographic Hash Functions

md5 124e969cb10d9aaf5796b0ec5a82ce9b
sha1 59097c6f230ea63529b59d597b725f96d7e18e0f
sha256 d705bb13a5bfb9ac93cb18c64c47c6574e6a33825ec131c7a48fad630e14c04e
sha512 91bef046d46df5d39148330a1f608dba59193603d6e6f5fa8d8ae5d7618783d259ee9fc775cda3156eabb81af2e5abca390136ec29f19be1470e2725ecdb6755
ripemd-160 dad547e7b6074d5c50c90f7e1351cf0f7bbe5c94

381123721 as geometric shapes

Circle

Radius = n
Diameter 762247442
Circumference 2394670964.0048
Area 4.5633295418609E+17

Sphere

Radius = n
Volume 2.318924180191E+26
Surface area 1.8253318167443E+18
Circumference 2394670964.0048

Square

Length = n
Perimeter 1524494884
Area 145255290708885841
Diagonal 538990335.1803

Cube

Length = n
Surface area 871531744253315046
Volume 5.5360236889907E+25
Space diagonal 660125648.74171

Equilateral Triangle

Length = n
Perimeter 1143371163
Area 6.2897385893994E+16
Altitude 330062824.37085

Triangular Pyramid

Length = n
Surface area 6.2897385893994E+16
Volume 6.5242664854912E+24
Height 179663445.0601