21351640 (number)

21351640 is an even 8-digits composite number following 21351639 and preceding 21351641. In scientific notation, it is written as 2.1351640 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors. There are 8451072 positive integers (up to 21351640) that are relatively prime to 21351640.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-one thousand six hundred forty

Notation

Scientific notation 2.1351640 × 10^7
Engineering notation 2.1351640 × 10^6

Prime Factorization of 21351640

Prime Factorization 2 × 2 × 2 × 5 × 97 × 5503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5337910
Product of the distinct prime numbers

The prime factorization of 21351640 is 2 × 2 × 2 × 5 × 97 × 5503. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 6, 63, 34, 916, 703, 8782, 1479, 39205, 14596, 36244, 302730, 9915601, 1264229, 75020798, 3687033, 491143888, 891608029, 1149126540, 7642520730

Basic calculations (n = 21351640)

Multiplication

n×y
n×2 42703280
n×3 64054920
n×4 85406560
n×5 106758200

Division

n÷y
n÷2 10675820
n÷3 7117213.3333333
n÷3 5337910
n÷5 4270328

Exponentiation

ny
n2 455892530689600
n3 9.7340531939733E+21
n4 2.0783799953857E+29
n5 4.4376821444677E+36

Nth Root

y√n
2√n 4620.78348335
3√n 277.42381914459
4√n 67.976345027884
5√n 29.233865713003

Divisors of 21351640

1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 5503, 11006, 22012, 27515, 44024, 55030, 110060, 220120, 533791, 1067582, 2135164, 2668955, 4270328, 5337910, 10675820, 21351640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21351639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21351640 can be divided by 32 positive divisors. The sum of these divisors (counting 21351640) is 1, the average is 0.03125.

Base conversion 21351640

Base System Value
2 Binary 1010001011100110011011000
3 Ternary 1111011202221111
4 Quaternary 1101130303120
5 Quinary 20431223030
6 Senary 2041350104
8 Octal 121346330
10 Decimal 21351640
12 Duodecimal 7198334
16 Hexadecimal 145ccd8
20 Vigesimal 6d8j20
36 Base36 cpn14

Cryptographic Hash Functions

md5 434469dd72bc0b51cf8a773c3a24c128
sha1 74e27501ad7636eeec22f0bf0b3c5c0c3051b7c9
sha256 66ef98bf91ac9161b7e5ca3e55df35da401988afc809b9c574a3d555862a5aac
sha512 16886eeba18edad5b90af2fa834e24ee3b47eed7c8a5b0885f664f6bf71c383fc0f154ef695e7425d61a95292d883adc0aa1cc0b6b872550c8e8520d20d23482
ripemd-160 b2eb3db0b7c390a0e10ae872917cd604e609814e

21351640 as geometric shapes

Circle

Radius = n
Diameter 42703280
Circumference 134156310.73219
Area 1.4322286252409E+15

Sphere

Radius = n
Volume 4.0773906671785E+22
Surface area 5.7289145009636E+15
Circumference 134156310.73219

Square

Length = n
Perimeter 85406560
Area 455892530689600
Diagonal 30195778.866908

Cube

Length = n
Surface area 2735355184137600
Volume 9.7340531939733E+21
Space diagonal 36982125.30492

Equilateral Triangle

Length = n
Perimeter 64054920
Area 1.9740725648639E+14
Altitude 18491062.65246

Triangular Pyramid

Length = n
Surface area 1.9740725648639E+14
Volume 1.1471691703148E+21
Height 10065259.622303