21431421 (number)

21431421 is an odd 8-digits composite number following 21431420 and preceding 21431422. In scientific notation, it is written as 2.1431421 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 12801600 positive integers (up to 21431421) that are relatively prime to 21431421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431421 × 10^7
Engineering notation 2.1431421 × 10^6

Prime Factorization of 21431421

Prime Factorization 33 × 3 × 71 × 3049

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21431421
Product of the distinct prime numbers

The prime factorization of 21431421 is 33 × 3 × 71 × 3049. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 20, 62, 453, 448, 1602, 9647, 86046, 77674, 652785, 553081, 604663, 5855524, 23510342, 32146572, 457929098, 111842021, 6662089761, 3176503502

Basic calculations (n = 21431421)

Multiplication

n×y
n×2 42862842
n×3 64294263
n×4 85725684
n×5 107157105

Division

n÷y
n÷2 10715710.5
n÷3 7143807
n÷3 5357855.25
n÷5 4286284.2

Exponentiation

ny
n2 459305806079241
n3 9.8435760978286E+21
n4 2.109618234981E+29
n5 4.5212116543155E+36

Nth Root

y√n
2√n 4629.4082775232
3√n 277.76892362296
4√n 68.039755125391
5√n 29.25567976516

Divisors of 21431421

1, 3, 33, 71, 99, 213, 2343, 3049, 7029, 9147, 100617, 216479, 301851, 649437, 7143807, 21431421

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 -21431420
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 21431421 can be divided by 16 positive divisors. The sum of these divisors (counting 21431421) is 1, the average is 0.0625.

Base conversion 21431421

Base System Value
2 Binary 1010001110000010001111101
3 Ternary 1111022211101100
4 Quaternary 1101300101331
5 Quinary 20441301141
6 Senary 2043203313
8 Octal 121602175
10 Decimal 21431421
12 Duodecimal 7216539
16 Hexadecimal 147047d
20 Vigesimal 6diib1
36 Base36 crcl9

Cryptographic Hash Functions

md5 a930f7aaf1b848063064fd4f0a816c46
sha1 4a9f37700c46e85344446c203c2cf552e8ee3a25
sha256 f4615a71b3eb759dc280603b324a6be4cb42156c9d2f6ada4ffd7453d486e018
sha512 762ab90ad2724b4a553499708ea6424324460b36e6dfb9262d4e56f3b24c8d911c67274390bba5f2c52c2e1354ef9b38658c76651c9c86d18fd597aac26bc5ce
ripemd-160 8418c2f9b18717fa0eb45439920c1700671f5f55

21431421 as geometric shapes

Circle

Radius = n
Diameter 42862842
Circumference 134657589.53918
Area 1.4429517461297E+15

Sphere

Radius = n
Volume 4.1232675138654E+22
Surface area 5.7718069845187E+15
Circumference 134657589.53918

Square

Length = n
Perimeter 85725684
Area 459305806079241
Diagonal 30308606.239128

Cube

Length = n
Surface area 2755834836475446
Volume 9.8435760978286E+21
Space diagonal 37120310.050399

Equilateral Triangle

Length = n
Perimeter 64294263
Area 1.9888524808516E+14
Altitude 18560155.025199

Triangular Pyramid

Length = n
Surface area 1.9888524808516E+14
Volume 1.1600765683167E+21
Height 10102868.746376