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

21431908 (number)

21431908 is an even 8-digits composite number following 21431907 and preceding 21431909. In scientific notation, it is written as 2.1431908 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 10715952 positive integers (up to 21431908) that are relatively prime to 21431908.

Interesting facts

21431908 has 6 divisors, whose sum is 37505846
The reverse of 21431908 is 80913412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.1431908 × 10^7
Engineering notation	2.1431908 × 10^6

Prime Factorization of 21431908

Prime Factorization 2 × 2 × 5357977

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10715954	Product of the distinct prime numbers

The prime factorization of 21431908 is 2 × 2 × 5357977. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 91, 91, 596, 690, 8118, 6136, 88269, 41598, 142980, 887368, 7162772, 7236707, 65216840, 47978484, 442244885, 185972739, 8379731660, 8741548089

Basic calculations (n = 21431908)

Multiplication

n×y

n×2	42863816
n×3	64295724
n×4	85727632
n×5	107159540

Division

n÷y

n÷2	10715954
n÷3	7143969.3333333
n÷3	5357977
n÷5	4286381.6

Exponentiation

n^y

n²	459326680520464
n³	9.84424715886E+21
n⁴	2.1098099943795E+29
n⁵	4.5217253697022E+36

Nth Root

^y√n

²√n	4629.4608757392
³√n	277.77102758115
⁴√n	68.040141649905
⁵√n	29.255812723087

Divisors of 21431908

1, 2, 4, 5357977, 10715954, 21431908

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21431907	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431908 can be divided by 6 positive divisors. The sum of these divisors (counting 21431908) is 1, the average is 0.16666666666667.

Base conversion 21431908

Base	System	Value
2	Binary	1010001110000011001100100
3	Ternary	1111022212001101
4	Quaternary	1101300121210
5	Quinary	20441310113
6	Senary	2043205444
8	Octal	121603144
10	Decimal	21431908
12	Duodecimal	7216884
16	Hexadecimal	1470664
20	Vigesimal	6dijf8
36	Base36	crcys

Cryptographic Hash Functions

md5	491ff4b58b65bb554478ea90f2194096
sha1	90c5fe1611ac7c85461d13a64b352fa575c4efda
sha256	f28fe7ec9279464329201ebf2640090076106877107979cef81abda650250ab4
sha512	af21ab503a03e45d1e0f2416c665aa27fa36f42d36e2ceec9a715999d0f2e3e84e7bbc46fa52413ecb7955180c4a74dd40343347e866c268111040fd1216d2cf
ripemd-160	8f0bc569b020a45a80a5b6cdb56c0867fafc875f

21431908 as geometric shapes

Circle

Radius = n

Diameter	42863816
Circumference	134660649.45042
Area	1.4430173251209E+15

Sphere

Radius = n

Volume	4.1235486072529E+22
Surface area	5.7720693004835E+15
Circumference	134660649.45042

Square

Length = n

Perimeter	85727632
Area	459326680520464
Diagonal	30309294.961132

Cube

Length = n

Surface area	2755960083122784
Volume	9.84424715886E+21
Space diagonal	37121153.559142

Equilateral Triangle

Length = n

Perimeter	64295724
Area	1.9889428698335E+14
Altitude	18560576.779571

Triangular Pyramid

Length = n

Surface area	1.9889428698335E+14
Volume	1.1601556536177E+21
Height	10103098.320377