21152961 (number)

21152961 is an odd 8-digits composite number following 21152960 and preceding 21152962. In scientific notation, it is written as 2.1152961 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 13562640 positive integers (up to 21152961) that are relatively prime to 21152961.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-two thousand nine hundred sixty-one

Notation

Scientific notation 2.1152961 × 10^7
Engineering notation 2.1152961 × 10^6

Prime Factorization of 21152961

Prime Factorization 3 × 9 × 47 × 79 × 211

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21152961
Product of the distinct prime numbers

The prime factorization of 21152961 is 3 × 9 × 47 × 79 × 211. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 96, 70, 816, 483, 493, 5218, 116, 75933, 481160, 501088, 9182371, 3836141, 57735829, 85019572, 868256983, 510701520, 6384685761, 2843473143

Basic calculations (n = 21152961)

Multiplication

n×y
n×2 42305922
n×3 63458883
n×4 84611844
n×5 105764805

Division

n÷y
n÷2 10576480.5
n÷3 7050987
n÷3 5288240.25
n÷5 4230592.2

Exponentiation

ny
n2 447447759067521
n3 9.4648449970927E+21
n4 2.0020949709455E+29
n5 4.2350236838706E+36

Nth Root

y√n
2√n 4599.2348276643
3√n 276.5606514671
4√n 67.817658671354
5√n 29.179257309495

Divisors of 21152961

1, 3, 9, 27, 47, 79, 141, 211, 237, 423, 633, 711, 1269, 1899, 2133, 3713, 5697, 9917, 11139, 16669, 29751, 33417, 50007, 89253, 100251, 150021, 267759, 450063, 783443, 2350329, 7050987, 21152961

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 -21152960
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 21152961 can be divided by 32 positive divisors. The sum of these divisors (counting 21152961) is 1, the average is 0.03125.

Base conversion 21152961

Base System Value
2 Binary 1010000101100010011000001
3 Ternary 1110210200102000
4 Quaternary 1100230103001
5 Quinary 20403343321
6 Senary 2033214213
8 Octal 120542301
10 Decimal 21152961
12 Duodecimal 7101369
16 Hexadecimal 142c4c1
20 Vigesimal 6c4281
36 Base36 cldq9

Cryptographic Hash Functions

md5 e7d1c1be62cb8b712df7043ae747c408
sha1 f89ce5fc1a3c49e36ab09a2fdfa8a9183b252a45
sha256 7c31ba6f986895f3f21b5900eaafb9804e9e7fe9e12eb8061932c03218df4d0b
sha512 e38613a550b28584dbab455a4c2cf37dd03bda472f527da8fee971ec8349324a6f7dd4d9f26bfa44067504f800b2d1839011a2e078d0dbdb7c6304604c1cac06
ripemd-160 b93d990dee7cf178aa93969a2a2882aa8beb80c1

21152961 as geometric shapes

Circle

Radius = n
Diameter 42305922
Circumference 132907973.75854
Area 1.4056985927517E+15

Sphere

Radius = n
Volume 3.9646250013643E+22
Surface area 5.622794371007E+15
Circumference 132907973.75854

Square

Length = n
Perimeter 84611844
Area 447447759067521
Diagonal 29914804.330549

Cube

Length = n
Surface area 2684686554405126
Volume 9.4648449970927E+21
Space diagonal 36638003.182523

Equilateral Triangle

Length = n
Perimeter 63458883
Area 1.9375056310945E+14
Altitude 18319001.591261

Triangular Pyramid

Length = n
Surface area 1.9375056310945E+14
Volume 1.115442680054E+21
Height 9971601.4435164