21031380 (number)

21031380 is an even 8-digits composite number following 21031379 and preceding 21031381. In scientific notation, it is written as 2.1031380 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 5031936 positive integers (up to 21031380) that are relatively prime to 21031380.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand three hundred eighty

Notation

Scientific notation 2.1031380 × 10^7
Engineering notation 2.1031380 × 10^6

Prime Factorization of 21031380

Prime Factorization 2 × 2 × 2295 × 79 × 29

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10515690
Product of the distinct prime numbers

The prime factorization of 21031380 is 2 × 2 × 2295 × 79 × 29. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 85, 45, 233, 481, 2216, 5184, 28163, 97836, 100444, 75054, 6623659, 4572475, 76731731, 9309720, 110879932, 284276549, 6955388094, 14438675

Basic calculations (n = 21031380)

Multiplication

n×y
n×2 42062760
n×3 63094140
n×4 84125520
n×5 105156900

Division

n÷y
n÷2 10515690
n÷3 7010460
n÷3 5257845
n÷5 4206276

Exponentiation

ny
n2 442318944704400
n3 9.3025778072772E+21
n4 1.9564604884441E+29
n5 4.1147063987454E+36

Nth Root

y√n
2√n 4585.9982555601
3√n 276.02976994573
4√n 67.71999893355
5√n 29.14563716668

Divisors of 21031380

1, 2, 4, 29, 58, 79, 116, 158, 316, 2291, 2295, 4582, 4590, 9164, 9180, 66555, 133110, 181305, 266220, 362610, 725220, 5257845, 10515690, 21031380

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031380 can be divided by 24 positive divisors. The sum of these divisors (counting 21031380) is 1, the average is 0.041666666666667.

Base conversion 21031380

Base System Value
2 Binary 1010000001110100111010100
3 Ternary 1110120111122000
4 Quaternary 1100032213110
5 Quinary 20341001010
6 Senary 2030435300
8 Octal 120164724
10 Decimal 21031380
12 Duodecimal 7062b30
16 Hexadecimal 140e9d4
20 Vigesimal 6b8i90
36 Base36 cirx0

Cryptographic Hash Functions

md5 f196d502d7821786d807464f0759d7cf
sha1 a9065d279ff7658037ff8e75869fa47c832a0581
sha256 980fd54795831fa9b5c12f7b1d0e1390eae4da13f1ab0d82b75099e1798f35ec
sha512 c1d7920c8f274ac9514adb368883c6390845256ecc0aa5a96f4b181322690b04562f9a9d7baab97fa23dfdccfdeed6d660dbf44e44b20aa506b485dcbe01cc9f
ripemd-160 0b5d2c01eb69e8f93dc426c9ab3898ae803d5c28

21031380 as geometric shapes

Circle

Radius = n
Diameter 42062760
Circumference 132144057.80571
Area 1.3895859472269E+15

Sphere

Radius = n
Volume 3.8966546798386E+22
Surface area 5.5583437889077E+15
Circumference 132144057.80571

Square

Length = n
Perimeter 84125520
Area 442318944704400
Diagonal 29742862.831422

Cube

Length = n
Surface area 2653913668226400
Volume 9.3025778072772E+21
Space diagonal 36427418.713288

Equilateral Triangle

Length = n
Perimeter 63094140
Area 1.9152972134457E+14
Altitude 18213709.356644

Triangular Pyramid

Length = n
Surface area 1.9152972134457E+14
Volume 1.0963193083402E+21
Height 9914287.6104741