21461388 (number)

21461388 is an even 8-digits composite number following 21461387 and preceding 21461389. In scientific notation, it is written as 2.1461388 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 6603456 positive integers (up to 21461388) that are relatively prime to 21461388.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-one thousand three hundred eighty-eight

Notation

Scientific notation 2.1461388 × 10^7
Engineering notation 2.1461388 × 10^6

Prime Factorization of 21461388

Prime Factorization 2 × 2 × 3 × 13 × 137573

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10730694
Product of the distinct prime numbers

The prime factorization of 21461388 is 2 × 2 × 3 × 13 × 137573. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 67, 11, 913, 404, 2395, 94, 53523, 35242, 556984, 793357, 7928481, 6447593, 74216156, 75879103, 189242486, 276226034, 5127286507, 7718574446

Basic calculations (n = 21461388)

Multiplication

n×y
n×2 42922776
n×3 64384164
n×4 85845552
n×5 107306940

Division

n÷y
n÷2 10730694
n÷3 7153796
n÷3 5365347
n÷5 4292277.6

Exponentiation

ny
n2 460591174886544
n3 9.884925913616E+21
n4 2.1214423038337E+29
n5 4.5529096402188E+36

Nth Root

y√n
2√n 4632.6437376513
3√n 277.89832902025
4√n 68.063527220174
5√n 29.263856684618

Divisors of 21461388

1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137573, 275146, 412719, 550292, 825438, 1650876, 1788449, 3576898, 5365347, 7153796, 10730694, 21461388

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 -21461387
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 21461388 can be divided by 24 positive divisors. The sum of these divisors (counting 21461388) is 1, the average is 0.041666666666667.

Base conversion 21461388

Base System Value
2 Binary 1010001110111100110001100
3 Ternary 1111101100111020
4 Quaternary 1101313212030
5 Quinary 20443231023
6 Senary 2043554140
8 Octal 121674614
10 Decimal 21461388
12 Duodecimal 722b950
16 Hexadecimal 147798c
20 Vigesimal 6e2d98
36 Base36 crzpo

Cryptographic Hash Functions

md5 bc8bd567c53fcca33615d20eb96f54fd
sha1 b446813d48021a9d75fabdb42a1d34a113a71970
sha256 57b45c05309f4210e3b86534c62d080b5193ba4f41724d96afced3c15705aa87
sha512 f462975ed25a2f212ccaa22b312cb38b114620ae51461c523cec51e0eb0b2d5d62fa6f862791f5b0406aaabe1277b9ec7fdea5a0c9a320f53e6c1148d2691c12
ripemd-160 cc9278e53582b92d689e62c1c67ca0e2fc134bfb

21461388 as geometric shapes

Circle

Radius = n
Diameter 42922776
Circumference 134845877.75328
Area 1.4469898513319E+15

Sphere

Radius = n
Volume 4.1405880841994E+22
Surface area 5.7879594053274E+15
Circumference 134845877.75328

Square

Length = n
Perimeter 85845552
Area 460591174886544
Diagonal 30350985.976951

Cube

Length = n
Surface area 2763547049319264
Volume 9.884925913616E+21
Space diagonal 37172214.416949

Equilateral Triangle

Length = n
Perimeter 64384164
Area 1.9944182910533E+14
Altitude 18586107.208475

Triangular Pyramid

Length = n
Surface area 1.9944182910533E+14
Volume 1.1649496908407E+21
Height 10116995.32565