21351978, twenty-one million three hundred fifty-one thousand nine hundred seventy-eight: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

21351978 has 16 divisors, whose sum is 47448960
The reverse of 21351978 is 87915312
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty-one million three hundred fifty-one thousand nine hundred seventy-eight

Notation

Scientific notation	2.1351978 × 10^7
Engineering notation	2.1351978 × 10^6

Prime Factorization of 21351978

Prime Factorization 2 × 3 × 9 × 395407

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21351978	Product of the distinct prime numbers

The prime factorization of 21351978 is 2 × 3 × 9 × 395407. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 77, 71, 127, 135, 8679, 4794, 6692, 61503, 817915, 15343, 3701076, 6278918, 75019133, 38195380, 470003068, 534257115, 3890119721, 5907328448

Basic calculations (n = 21351978)

Multiplication

n×y

n×2	42703956
n×3	64055934
n×4	85407912
n×5	106759890

Division

n÷y

n÷2	10675989
n÷3	7117326
n÷3	5337994.5
n÷5	4270395.6

Exponentiation

n^y

n²	455906964512484
n³	9.7345154763173E+21
n⁴	2.0785116029099E+29
n⁵	4.4380334018076E+36

Nth Root

^y√n

²√n	4620.8200570894
³√n	277.42528302521
⁴√n	67.976614045489
⁵√n	29.233958267805

Divisors of 21351978

1, 2, 3, 6, 9, 18, 27, 54, 395407, 790814, 1186221, 2372442, 3558663, 7117326, 10675989, 21351978

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21351977	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21351978 can be divided by 16 positive divisors. The sum of these divisors (counting 21351978) is 1, the average is 0.0625.

Base conversion 21351978

Base	System	Value
2	Binary	1010001011100111000101010
3	Ternary	1111011210102000
4	Quaternary	1101130320222
5	Quinary	20431230403
6	Senary	2041351430
8	Octal	121347052
10	Decimal	21351978
12	Duodecimal	7198576
16	Hexadecimal	145ce2a
20	Vigesimal	6d8jii
36	Base36	cpnai

Cryptographic Hash Functions

md5	7c80eb8dbd7716d79cba8732d0ad8a49
sha1	194e95543a20ac62b8c3619a40dd301fb8c8e811
sha256	3c423f43ac18952894708b93538f421a5f214b494497ad5badd25f76306563ee
sha512	04d227a22cd318ceed8326029a4a184396bfa4bc09184e02ef8057291adec4537e95017b4d84fd46667b4ae728bfc930eae833c08fc6fbf303a698cd194eabd3
ripemd-160	1adc1be7c02a69115355d8450ee24b97cbcd9763

21351978 as geometric shapes

Circle

Radius = n

Diameter	42703956
Circumference	134158434.44882
Area	1.4322739704328E+15

Sphere

Radius = n

Volume	4.077584307554E+22
Surface area	5.7290958817314E+15
Circumference	134158434.44882

Square

Length = n

Perimeter	85407912
Area	455906964512484
Diagonal	30196256.871092

Cube

Length = n

Surface area	2735441787074904
Volume	9.7345154763173E+21
Space diagonal	36982710.738093

Equilateral Triangle

Length = n

Perimeter	64055934
Area	1.9741350651503E+14
Altitude	18491355.369046

Triangular Pyramid

Length = n

Surface area	1.9741350651503E+14
Volume	1.1472236508116E+21
Height	10065418.957031