21695872 (number)

21695872 is an even 8-digits composite number following 21695871 and preceding 21695873. In scientific notation, it is written as 2.1695872 × 10^7. The sum of its digits is 40. It has a total of 10 prime factors and 64 positive divisors. There are 9331200 positive integers (up to 21695872) that are relatively prime to 21695872.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-five thousand eight hundred seventy-two

Notation

Scientific notation 2.1695872 × 10^7
Engineering notation 2.1695872 × 10^6

Prime Factorization of 21695872

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 19 × 811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 338998
Product of the distinct prime numbers

The prime factorization of 21695872 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 19 × 811. Since it has a total of 10 prime factors.

Most popular turbo-numbers

9, 1, 11, 7, 840, 660, 8791, 2315, 14483, 9003, 35737, 928201, 9647481, 6952313, 44362617, 51202694, 93189186, 129761612, 7754629219, 9864309527

Basic calculations (n = 21695872)

Multiplication

n×y
n×2 43391744
n×3 65087616
n×4 86783488
n×5 108479360

Division

n÷y
n÷2 10847936
n÷3 7231957.3333333
n÷3 5423968
n÷5 4339174.4

Exponentiation

ny
n2 470710861840384
n3 1.0212482607499E+22
n4 2.2156871545452E+29
n5 4.8071264897056E+36

Nth Root

y√n
2√n 4657.8827808351
3√n 278.90675746625
4√n 68.248683363381
5√n 29.327525561926

Divisors of 21695872

1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 304, 352, 418, 608, 704, 811, 836, 1216, 1408, 1622, 1672, 2432, 3244, 3344, 6488, 6688, 8921, 12976, 13376, 15409, 17842, 25952, 26752, 30818, 35684, 51904, 61636, 71368, 103808, 123272, 142736, 169499, 246544, 285472, 338998, 493088, 570944, 677996, 986176, 1141888, 1355992, 1972352, 2711984, 5423968, 10847936, 21695872

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21695871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21695872 can be divided by 64 positive divisors. The sum of these divisors (counting 21695872) is 1, the average is 0.015625.

Base conversion 21695872

Base System Value
2 Binary 1010010110000110110000000
3 Ternary 1111211021010211
4 Quaternary 1102300312000
5 Quinary 21023231442
6 Senary 2053003504
8 Octal 122606600
10 Decimal 21695872
12 Duodecimal 7323594
16 Hexadecimal 14b0d80
20 Vigesimal 6fbjdc
36 Base36 cx0n4

Cryptographic Hash Functions

md5 946eb698b3d9fe245d01a68a099c416f
sha1 1c05f2773745715f09e093a92e69ec662f4d67fc
sha256 436519c5ab9afa8807e865b22e053ed59da8f599ed6c0c266ca7542e5261f1b2
sha512 239ac7af867fa1e75ea28a94b7593c2f368ac1a2ec402c7f57903d88d4da09a5dbd0878e27fa77108f396ef90435923c58bdb628a8701b105339abcc0e527818
ripemd-160 78338e71f026bc746c2af7261c5f1d7ef6f7554e

21695872 as geometric shapes

Circle

Radius = n
Diameter 43391744
Circumference 136319184.17685
Area 1.4787817855227E+15

Sphere

Radius = n
Volume 4.2777947112842E+22
Surface area 5.9151271420907E+15
Circumference 136319184.17685

Square

Length = n
Perimeter 86783488
Area 470710861840384
Diagonal 30682596.429911

Cube

Length = n
Surface area 2824265171042304
Volume 1.0212482607499E+22
Space diagonal 37578352.618511

Equilateral Triangle

Length = n
Perimeter 65087616
Area 2.0382378209552E+14
Altitude 18789176.309255

Triangular Pyramid

Length = n
Surface area 2.0382378209552E+14
Volume 1.2035526174187E+21
Height 10227532.143304