1821381 (number)

1821381 is an odd 7-digits composite number following 1821380 and preceding 1821382. In scientific notation, it is written as 1.821381 × 10^6. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 1214252 positive integers (up to 1821381) that are relatively prime to 1821381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.821381 × 10^6
Engineering notation 1.821381 × 10^6

Prime Factorization of 1821381

Prime Factorization 3 × 607127

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1821381
Product of the distinct prime numbers

The prime factorization of 1821381 is 3 × 607127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1821381)

Multiplication

n×y
n×2 3642762
n×3 5464143
n×4 7285524
n×5 9106905

Division

n÷y
n÷2 910690.5
n÷3 607127
n÷3 455345.25
n÷5 364276.2

Exponentiation

ny
n2 3317428747161
n3 6042301688932849341
n4 1.100533349249E+25
n5 2.0044905321885E+31

Nth Root

y√n
2√n 1349.5854919196
3√n 122.1237881774
4√n 36.736704968187
5√n 17.868173481525

Divisors of 1821381

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1821380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1821381 can be divided by 4 positive divisors. The sum of these divisors (counting 1821381) is 1, the average is 0.25.

Base conversion 1821381

Base System Value
2 Binary 110111100101011000101
3 Ternary 10102112110120
4 Quaternary 12330223011
5 Quinary 431241011
6 Senary 103012153
8 Octal 6745305
10 Decimal 1821381
12 Duodecimal 73a059
16 Hexadecimal 1bcac5
20 Vigesimal b7d91
36 Base36 131dx

Cryptographic Hash Functions

md5 4bdd8cd8b271a0dedd242b93691ed1c3
sha1 a14c59cd9cbfb1b4f55d9c562d0b1d74d11ea267
sha256 bedc00a3cf693072492e375c1ca3b728fe80670f7912027d6e6d377b986ffa2f
sha512 3bbffd70b9a9bf1344198602fbf225cf6458de16d81eba0d3b8a3ad4e7ec16cc161402ed4b49c07670f2cf4526e26f02350ed27a6c41150c59b5a90c7c590a9f
ripemd-160 bdddb06bb8fd505b49498029c20459b28addfc71

1821381 as geometric shapes

Circle

Radius = n
Diameter 3642762
Circumference 11444074.337976
Area 10422009780889

Sphere

Radius = n
Volume 2.5309934128966E+19
Surface area 41688039123554
Circumference 11444074.337976

Square

Length = n
Perimeter 7285524
Area 3317428747161
Diagonal 2575821.7124487

Cube

Length = n
Surface area 19904572482966
Volume 6042301688932849341
Space diagonal 3154724.4319406

Equilateral Triangle

Length = n
Perimeter 5464143
Area 1436488785143.1
Altitude 1577362.2159703

Triangular Pyramid

Length = n
Surface area 1436488785143.1
Volume 7.1209208303656E+17
Height 858607.23748289