21493516 (number)

21493516 is an even 8-digits composite number following 21493515 and preceding 21493517. In scientific notation, it is written as 2.1493516 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 9741120 positive integers (up to 21493516) that are relatively prime to 21493516.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand five hundred sixteen

Notation

Scientific notation 2.1493516 × 10^7
Engineering notation 2.1493516 × 10^6

Prime Factorization of 21493516

Prime Factorization 2 × 2 × 11 × 877 × 557

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10746758
Product of the distinct prime numbers

The prime factorization of 21493516 is 2 × 2 × 11 × 877 × 557. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 82, 51, 81, 591, 5530, 9161, 71724, 37786, 753224, 73570, 3259747, 5557076, 35160374, 80953927, 970238295, 802163263, 6470450831, 1389536331

Basic calculations (n = 21493516)

Multiplication

n×y
n×2 42987032
n×3 64480548
n×4 85974064
n×5 107467580

Division

n÷y
n÷2 10746758
n÷3 7164505.3333333
n÷3 5373379
n÷5 4298703.2

Exponentiation

ny
n2 461971230042256
n3 9.9293860244529E+21
n4 2.1341741738676E+29
n5 4.5870906752809E+36

Nth Root

y√n
2√n 4636.1100073229
3√n 278.03693244988
4√n 68.088985947236
5√n 29.272613123877

Divisors of 21493516

1, 2, 4, 11, 22, 44, 557, 877, 1114, 1754, 2228, 3508, 6127, 9647, 12254, 19294, 24508, 38588, 488489, 976978, 1953956, 5373379, 10746758, 21493516

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 -21493515
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 21493516 can be divided by 24 positive divisors. The sum of these divisors (counting 21493516) is 1, the average is 0.041666666666667.

Base conversion 21493516

Base System Value
2 Binary 1010001111111011100001100
3 Ternary 1111102222120011
4 Quaternary 1101333130030
5 Quinary 21000243031
6 Senary 2044403004
8 Octal 121773414
10 Decimal 21493516
12 Duodecimal 7246464
16 Hexadecimal 147f70c
20 Vigesimal 6e6dfg
36 Base36 csoi4

Cryptographic Hash Functions

md5 6917fc0fae7842d81eab454d77e79437
sha1 1866474e6e6d6d40b6e7460d96c7d458cf726617
sha256 f45ee59ea02da3055fe9e4676f0ef89ff3d1b71c9b186cdc522f4cc15dae9a3f
sha512 b53dbceeb51d77266713ebd6ae3e08c806ebb836e3cb80273aa35eb71abeb09d5d8f6f582d93ba7a9f610088e5f75110b39baf2e888b3543130a3287cb9ebdbb
ripemd-160 a130385d8e8567879fbcfb087e3c85e82f6ad4c3

21493516 as geometric shapes

Circle

Radius = n
Diameter 42987032
Circumference 135047743.93083
Area 1.4513254224706E+15

Sphere

Radius = n
Volume 4.1592114918771E+22
Surface area 5.8053016898824E+15
Circumference 135047743.93083

Square

Length = n
Perimeter 85974064
Area 461971230042256
Diagonal 30396421.830283

Cube

Length = n
Surface area 2771827380253536
Volume 9.9293860244529E+21
Space diagonal 37227861.745295

Equilateral Triangle

Length = n
Perimeter 64480548
Area 2.0003941051707E+14
Altitude 18613930.872647

Triangular Pyramid

Length = n
Surface area 2.0003941051707E+14
Volume 1.1701893651516E+21
Height 10132140.610094