21861231 (number)

21861231 is an odd 8-digits composite number following 21861230 and preceding 21861232. In scientific notation, it is written as 2.1861231 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 12088800 positive integers (up to 21861231) that are relatively prime to 21861231.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-one thousand two hundred thirty-one

Notation

Scientific notation 2.1861231 × 10^7
Engineering notation 2.1861231 × 10^6

Prime Factorization of 21861231

Prime Factorization 3 × 7 × 31 × 33581

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21861231
Product of the distinct prime numbers

The prime factorization of 21861231 is 3 × 7 × 31 × 33581. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 87, 45, 620, 107, 8357, 6816, 27973, 62600, 868479, 36394, 5498465, 6667757, 46926408, 73731737, 293996569, 902437835, 4119251501, 306331799

Basic calculations (n = 21861231)

Multiplication

n×y
n×2 43722462
n×3 65583693
n×4 87444924
n×5 109306155

Division

n÷y
n÷2 10930615.5
n÷3 7287077
n÷3 5465307.75
n÷5 4372246.2

Exponentiation

ny
n2 477913420835361
n3 1.0447775690882E+22
n4 2.2840123781456E+29
n5 4.99313222055E+36

Nth Root

y√n
2√n 4675.5995337497
3√n 279.61354424044
4√n 68.378355740319
5√n 29.372094895684

Divisors of 21861231

1, 3, 7, 21, 31, 93, 217, 651, 33581, 100743, 235067, 705201, 1041011, 3123033, 7287077, 21861231

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 -21861230
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 21861231 can be divided by 16 positive divisors. The sum of these divisors (counting 21861231) is 1, the average is 0.0625.

Base conversion 21861231

Base System Value
2 Binary 1010011011001001101101111
3 Ternary 1112010122222020
4 Quaternary 1103121031233
5 Quinary 21044024411
6 Senary 2100321223
8 Octal 123311557
10 Decimal 21861231
12 Duodecimal 73a3213
16 Hexadecimal 14d936f
20 Vigesimal 6gcd1b
36 Base36 d0k8f

Cryptographic Hash Functions

md5 0e6a471cc4a6bca50946c440ea1edf90
sha1 2deb18e69ecda1a95ca6a23d221bf2c0389e393c
sha256 30bb6199348b45d825d9d28470b31687df35eee65e97538c3e4a3c769dca9991
sha512 d4dcbee4f21ec4d99774c7cc94db5fa8d5cdcac498ff872497da578026b85dba32e5489bfe9fff19d0d01d5d7954ec489d078a989381562a0b46b022bc3566a6
ripemd-160 8359fd2f6cd9d8ec15c0c774209bc9a96e115194

21861231 as geometric shapes

Circle

Radius = n
Diameter 43722462
Circumference 137358165.41606
Area 1.5014092919483E+15

Sphere

Radius = n
Volume 4.3763540475772E+22
Surface area 6.0056371677933E+15
Circumference 137358165.41606

Square

Length = n
Perimeter 87444924
Area 477913420835361
Diagonal 30916449.370371

Cube

Length = n
Surface area 2867480525012166
Volume 1.0447775690882E+22
Space diagonal 37864762.808

Equilateral Triangle

Length = n
Perimeter 65583693
Area 2.0694258162647E+14
Altitude 18932381.404

Triangular Pyramid

Length = n
Surface area 2.0694258162647E+14
Volume 1.2312821732231E+21
Height 10305483.123457