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

21351639 (number)

21351639 is an odd 8-digits composite number following 21351638 and preceding 21351640. In scientific notation, it is written as 2.1351639 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14195520 positive integers (up to 21351639) that are relatively prime to 21351639.

Interesting facts

21351639 has 8 divisors, whose sum is 28546672
The reverse of 21351639 is 93615312
Previous prime number is 373

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million three hundred fifty-one thousand six hundred thirty-nine

Notation

Scientific notation	2.1351639 × 10^7
Engineering notation	2.1351639 × 10^6

Prime Factorization of 21351639

Prime Factorization 3 × 373 × 19081

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21351639	Product of the distinct prime numbers

The prime factorization of 21351639 is 3 × 373 × 19081. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 41, 52, 619, 248, 7591, 3830, 1370, 42157, 206402, 222065, 1269819, 3377738, 70761886, 86277499, 510599387, 575500772, 7369480242, 7265690509

Basic calculations (n = 21351639)

Multiplication

n×y

n×2	42703278
n×3	64054917
n×4	85406556
n×5	106758195

Division

n÷y

n÷2	10675819.5
n÷3	7117213
n÷3	5337909.75
n÷5	4270327.8

Exponentiation

n^y

n²	455892487986321
n³	9.7340518262958E+21
n⁴	2.0783796060236E+29
n⁵	4.4376811052778E+36

Nth Root

^y√n

²√n	4620.7833751432
³√n	277.42381481356
⁴√n	67.97634423197
⁵√n	29.233865439171

Divisors of 21351639

1, 3, 373, 1119, 19081, 57243, 7117213, 21351639

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21351638	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21351639 can be divided by 8 positive divisors. The sum of these divisors (counting 21351639) is 1, the average is 0.125.

Base conversion 21351639

Base	System	Value
2	Binary	1010001011100110011010111
3	Ternary	1111011202221110
4	Quaternary	1101130303113
5	Quinary	20431223024
6	Senary	2041350103
8	Octal	121346327
10	Decimal	21351639
12	Duodecimal	7198333
16	Hexadecimal	145ccd7
20	Vigesimal	6d8j1j
36	Base36	cpn13

Cryptographic Hash Functions

md5	353024592c19591fa56fb6b056f0286b
sha1	53d477cc08f9ff146933094e0a56a6c280df3eb9
sha256	184d8f56c64c070b356074645af40aa99268b5e0e356102f9a810585e70880db
sha512	a1a545f4462362cb9756031f67305e187c32266d8d3b677216e4c505dd824fba7b7bf558494818f9f0bf2ef2eee5b092fabb1fe53ec42529db2871efbe89fd29
ripemd-160	be29ed928eec48bfece2e46024e057d658cd2830

21351639 as geometric shapes

Circle

Radius = n

Diameter	42703278
Circumference	134156304.449
Area	1.4322284910846E+15

Sphere

Radius = n

Volume	4.0773900942871E+22
Surface area	5.7289139643384E+15
Circumference	134156304.449

Square

Length = n

Perimeter	85406556
Area	455892487986321
Diagonal	30195777.452694

Cube

Length = n

Surface area	2735354927917926
Volume	9.7340518262958E+21
Space diagonal	36982123.572869

Equilateral Triangle

Length = n

Perimeter	64054917
Area	1.9740723799532E+14
Altitude	18491061.786435

Triangular Pyramid

Length = n

Surface area	1.9740723799532E+14
Volume	1.1471690091325E+21
Height	10065259.150898