Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21861421 (number)

21861421 is an odd 8-digits composite number following 21861420 and preceding 21861422. In scientific notation, it is written as 2.1861421 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21836412 positive integers (up to 21861421) that are relatively prime to 21861421.

Interesting facts

21861421 has 4 divisors, whose sum is 21886432
The reverse of 21861421 is 12416812
Previous prime number is 907

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million eight hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation	2.1861421 × 10^7
Engineering notation	2.1861421 × 10^6

Prime Factorization of 21861421

Prime Factorization 907 × 24103

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21861421	Product of the distinct prime numbers

The prime factorization of 21861421 is 907 × 24103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 75, 47, 284, 524, 42, 1512, 64567, 31022, 360386, 51710, 317560, 3399164, 42343987, 35212439, 556571924, 82614575, 7713144109, 8644522077

Basic calculations (n = 21861421)

Multiplication

n×y

n×2	43722842
n×3	65584263
n×4	87445684
n×5	109307105

Division

n÷y

n÷2	10930710.5
n÷3	7287140.3333333
n÷3	5465355.25
n÷5	4372284.2

Exponentiation

n^y

n²	477921728139241
n³	1.0448048103899E+22
n⁴	2.284091782276E+29
n⁵	4.9933492054976E+36

Nth Root

^y√n

²√n	4675.6198519555
³√n	279.61435429576
⁴√n	68.378504312068
⁵√n	29.372145951168

Divisors of 21861421

1, 907, 24103, 21861421

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	-21861420	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 21861421 can be divided by 4 positive divisors. The sum of these divisors (counting 21861421) is 1, the average is 0.25.

Base conversion 21861421

Base	System	Value
2	Binary	1010011011001010000101101
3	Ternary	1112010200020021
4	Quaternary	1103121100231
5	Quinary	21044031141
6	Senary	2100322141
8	Octal	123312055
10	Decimal	21861421
12	Duodecimal	73a3351
16	Hexadecimal	14d942d
20	Vigesimal	6gcdb1
36	Base36	d0kdp

Cryptographic Hash Functions

md5	1ba1d78e8a52b7177439edb5558750e2
sha1	f5533853106f5d96695ff62101d9747b4de71618
sha256	6f1331aa0a79bd4449757a04d617e4de1b7960e9ddffa9c233c483c7828a9880
sha512	a6a7bd00d473001fa75ccac29e9720aaec1e2434eaa56bc06ad38abd7df15afbf3ce7d045db553e6757c62fdde524274223bc8a8a0f18e46ce3af7e904864b9b
ripemd-160	ad54d8e3a4031fddca0dfb17408af56760d3ae61

21861421 as geometric shapes

Circle

Radius = n

Diameter	43722842
Circumference	137359359.22127
Area	1.5014353901132E+15

Sphere

Radius = n

Volume	4.3764681556751E+22
Surface area	6.0057415604527E+15
Circumference	137359359.22127

Square

Length = n

Perimeter	87445684
Area	477921728139241
Diagonal	30916718.070948

Cube

Length = n

Surface area	2867530368835446
Volume	1.0448048103899E+22
Space diagonal	37865091.897653

Equilateral Triangle

Length = n

Perimeter	65584263
Area	2.0694617879457E+14
Altitude	18932545.948827

Triangular Pyramid

Length = n

Surface area	2.0694617879457E+14
Volume	1.2313142774051E+21
Height	10305572.690316