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

21291131 (number)

21291131 is an odd 8-digits composite number following 21291130 and preceding 21291132. In scientific notation, it is written as 2.1291131 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 21243264 positive integers (up to 21291131) that are relatively prime to 21291131.

Interesting facts

21291131 has 4 divisors, whose sum is 21339000
The reverse of 21291131 is 13119212
Previous prime number is 449

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million two hundred ninety-one thousand one hundred thirty-one

Notation

Scientific notation	2.1291131 × 10^7
Engineering notation	2.1291131 × 10^6

Prime Factorization of 21291131

Prime Factorization 449 × 47419

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21291131	Product of the distinct prime numbers

The prime factorization of 21291131 is 449 × 47419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 3, 42, 88, 51, 401, 3049, 9054, 62495, 97908, 128328, 924086, 557750, 9098190, 73174516, 59498907, 55461118, 624973525, 7003698054, 6429641921

Basic calculations (n = 21291131)

Multiplication

n×y

n×2	42582262
n×3	63873393
n×4	85164524
n×5	106455655

Division

n÷y

n÷2	10645565.5
n÷3	7097043.6666667
n÷3	5322782.75
n÷5	4258226.2

Exponentiation

n^y

n²	453312259259161
n³	9.6515306957928E+21
n⁴	2.0549200439464E+29
n⁵	4.375157185019E+36

Nth Root

^y√n

²√n	4614.2313552747
³√n	277.16150486401
⁴√n	67.928133753804
⁵√n	29.21727756723

Divisors of 21291131

1, 449, 47419, 21291131

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	-21291130	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 21291131 can be divided by 4 positive divisors. The sum of these divisors (counting 21291131) is 1, the average is 0.25.

Base conversion 21291131

Base	System	Value
2	Binary	1010001001110000001111011
3	Ternary	1111001200221102
4	Quaternary	1101032001323
5	Quinary	20422304011
6	Senary	2040202015
8	Octal	121160173
10	Decimal	21291131
12	Duodecimal	716930b
16	Hexadecimal	144e07b
20	Vigesimal	6d17gb
36	Base36	coccb

Cryptographic Hash Functions

md5	6cd056c6f64ebe4bc2be7a090e9bb3a2
sha1	b58152e859564b1c75d0828d5bb7c9e2b6344dcd
sha256	818673d96fa8dfd449deb1e53befd5052e3ab88c19497eb7f61268f4963ef18d
sha512	a5aa0e95d199004b7c6993596af096538385a139b3d7eb14379fd2702c17cc1a977c9c35e4dc316b3739d6f1d2187955705e268a7133ad81693a3903eb549412
ripemd-160	61524562b8b496c2236c86a9100d05779f56d2d7

21291131 as geometric shapes

Circle

Radius = n

Diameter	42582262
Circumference	133776121.47244
Area	1.4241224634708E+15

Sphere

Radius = n

Volume	4.0428237239732E+22
Surface area	5.6964898538831E+15
Circumference	133776121.47244

Square

Length = n

Perimeter	85164524
Area	453312259259161
Diagonal	30110206.218462

Cube

Length = n

Surface area	2719873555554966
Volume	9.6515306957928E+21
Space diagonal	36877320.642605

Equilateral Triangle

Length = n

Perimeter	63873393
Area	1.9628996618268E+14
Altitude	18438660.321302

Triangular Pyramid

Length = n

Surface area	1.9628996618268E+14
Volume	1.1374438006375E+21
Height	10036735.406154