21154485 (number)

21154485 is an odd 8-digits composite number following 21154484 and preceding 21154486. In scientific notation, it is written as 2.1154485 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 9900800 positive integers (up to 21154485) that are relatively prime to 21154485.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-four thousand four hundred eighty-five

Notation

Scientific notation 2.1154485 × 10^7
Engineering notation 2.1154485 × 10^6

Prime Factorization of 21154485

Prime Factorization 3 × 5 × 11 × 29 × 4421

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21154485
Product of the distinct prime numbers

The prime factorization of 21154485 is 3 × 5 × 11 × 29 × 4421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 85, 97, 104, 442, 3418, 8969, 12692, 43796, 332587, 522704, 9421218, 7988864, 70990897, 45001955, 453201949, 416259344, 2034358765, 5317235491

Basic calculations (n = 21154485)

Multiplication

n×y
n×2 42308970
n×3 63463455
n×4 84617940
n×5 105772425

Division

n÷y
n÷2 10577242.5
n÷3 7051495
n÷3 5288621.25
n÷5 4230897

Exponentiation

ny
n2 447512235615225
n3 9.4668908756387E+21
n4 2.0026720102534E+29
n5 4.2365495000825E+36

Nth Root

y√n
2√n 4599.4005044136
3√n 276.56729306386
4√n 67.818880147151
5√n 29.179677750933

Divisors of 21154485

1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4421, 4785, 13263, 22105, 48631, 66315, 128209, 145893, 243155, 384627, 641045, 729465, 1410299, 1923135, 4230897, 7051495, 21154485

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 -21154484
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 21154485 can be divided by 32 positive divisors. The sum of these divisors (counting 21154485) is 1, the average is 0.03125.

Base conversion 21154485

Base System Value
2 Binary 1010000101100101010110101
3 Ternary 1110210202111110
4 Quaternary 1100230222311
5 Quinary 20403420420
6 Senary 2033225233
8 Octal 120545265
10 Decimal 21154485
12 Duodecimal 7102219
16 Hexadecimal 142cab5
20 Vigesimal 6c4645
36 Base36 clewl

Cryptographic Hash Functions

md5 363fe1b2c82d9b511363afc02ebb61cb
sha1 10c21b7790d1471415f23d92066a88bd3ed445ed
sha256 f59bc772aaae6bbdaf549888711d077e446d483311d9c7c717ab1d5d2fdc377a
sha512 61a15ea276ac5e6cf01fff5387c1b7c77b0b8eba0d892bdbb954d413ef57a7f0abac34c273c120f9c6cd58d4eb69b17a0c6d9a8f207596d6a59eac20a367fee9
ripemd-160 8fe1cf56b5c3f73d41cf81b166b7c0463c48bd39

21154485 as geometric shapes

Circle

Radius = n
Diameter 42308970
Circumference 132917549.33295
Area 1.4059011518003E+15

Sphere

Radius = n
Volume 3.9654819769657E+22
Surface area 5.6236046072013E+15
Circumference 132917549.33295

Square

Length = n
Perimeter 84617940
Area 447512235615225
Diagonal 29916959.592018

Cube

Length = n
Surface area 2685073413691350
Volume 9.4668908756387E+21
Space diagonal 36640642.827954

Equilateral Triangle

Length = n
Perimeter 63463455
Area 1.9377848227358E+14
Altitude 18320321.413977

Triangular Pyramid

Length = n
Surface area 1.9377848227358E+14
Volume 1.1156837891529E+21
Height 9972319.8640061