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

21431639 (number)

21431639 is an odd 8-digits composite number following 21431638 and preceding 21431640. In scientific notation, it is written as 2.1431639 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20303640 positive integers (up to 21431639) that are relatively prime to 21431639.

Interesting facts

21431639 has 4 divisors, whose sum is 22559640
The reverse of 21431639 is 93613412
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million four hundred thirty-one thousand six hundred thirty-nine

Notation

Scientific notation	2.1431639 × 10^7
Engineering notation	2.1431639 × 10^6

Prime Factorization of 21431639

Prime Factorization 19 × 1127981

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21431639	Product of the distinct prime numbers

The prime factorization of 21431639 is 19 × 1127981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 9, 84, 34, 262, 40, 2374, 8640, 86036, 74366, 55699, 501833, 6959376, 526756, 19689136, 99770061, 857819554, 444644791, 3915860722, 6579060722

Basic calculations (n = 21431639)

Multiplication

n×y

n×2	42863278
n×3	64294917
n×4	85726556
n×5	107158195

Division

n÷y

n÷2	10715819.5
n÷3	7143879.6666667
n÷3	5357909.75
n÷5	4286327.8

Exponentiation

n^y

n²	459315150226321
n³	9.8438764868813E+21
n⁴	2.1097040722743E+29
n⁵	4.5214416073812E+36

Nth Root

^y√n

²√n	4629.431822589
³√n	277.76986543981
⁴√n	68.039928149499
⁵√n	29.255739282559

Divisors of 21431639

1, 19, 1127981, 21431639

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	-21431638	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 21431639 can be divided by 4 positive divisors. The sum of these divisors (counting 21431639) is 1, the average is 0.25.

Base conversion 21431639

Base	System	Value
2	Binary	1010001110000010101010111
3	Ternary	1111022211200102
4	Quaternary	1101300111113
5	Quinary	20441303024
6	Senary	2043204315
8	Octal	121602527
10	Decimal	21431639
12	Duodecimal	721669b
16	Hexadecimal	1470557
20	Vigesimal	6dij1j
36	Base36	crcrb

Cryptographic Hash Functions

md5	c8a87d2684db7bf21f8c56801d7b60f2
sha1	02fa6dd05a60b910dee04534163279186864de19
sha256	3cf8ec5a2ddcf0ce7a15dc860ccb41ba3757bdb83625d9572fbc9599622afcfe
sha512	fa5899eb0ba4e7b3f2a026547b2ecf2e05fb69d802b33d0b07ff30dbc3f7d32c540cfb0f0bb9c3f4a7c085e328f0df6885618df9bb37d27197730c73c4d8a8f8
ripemd-160	b8163a6147985860c02ad7be4300d4c11b53b8a5

21431639 as geometric shapes

Circle

Radius = n

Diameter	42863278
Circumference	134658959.27358
Area	1.4429811016335E+15

Sphere

Radius = n

Volume	4.1233933405375E+22
Surface area	5.771924406534E+15
Circumference	134658959.27358

Square

Length = n

Perimeter	85726556
Area	459315150226321
Diagonal	30308914.537684

Cube

Length = n

Surface area	2755890901357926
Volume	9.8438764868813E+21
Space diagonal	37120687.637475

Equilateral Triangle

Length = n

Perimeter	64294917
Area	1.9888929421953E+14
Altitude	18560343.818737

Triangular Pyramid

Length = n

Surface area	1.9888929421953E+14
Volume	1.1601119695061E+21
Height	10102971.512561