21291207 (number)

21291207 is an odd 8-digits composite number following 21291206 and preceding 21291208. In scientific notation, it is written as 2.1291207 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 12141792 positive integers (up to 21291207) that are relatively prime to 21291207.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred seven

Notation

Scientific notation 2.1291207 × 10^7
Engineering notation 2.1291207 × 10^6

Prime Factorization of 21291207

Prime Factorization 3 × 7 × 829 × 1223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21291207
Product of the distinct prime numbers

The prime factorization of 21291207 is 3 × 7 × 829 × 1223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 8, 41, 922, 72, 5616, 4738, 78935, 32335, 780338, 132131, 7405188, 1495825, 44665244, 43725942, 155618220, 949460541, 892652999, 5718900127

Basic calculations (n = 21291207)

Multiplication

n×y
n×2 42582414
n×3 63873621
n×4 85164828
n×5 106456035

Division

n÷y
n÷2 10645603.5
n÷3 7097069
n÷3 5322801.75
n÷5 4258241.4

Exponentiation

ny
n2 453315495516849
n3 9.6516340513568E+21
n4 2.0549493847569E+29
n5 4.3752352725381E+36

Nth Root

y√n
2√n 4614.2395906585
3√n 277.16183464529
4√n 67.928194372134
5√n 29.217298425774

Divisors of 21291207

1, 3, 7, 21, 829, 1223, 2487, 3669, 5803, 8561, 17409, 25683, 1013867, 3041601, 7097069, 21291207

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291206
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291207 can be divided by 16 positive divisors. The sum of these divisors (counting 21291207) is 1, the average is 0.0625.

Base conversion 21291207

Base System Value
2 Binary 1010001001110000011000111
3 Ternary 1111001201001020
4 Quaternary 1101032003013
5 Quinary 20422304312
6 Senary 2040202223
8 Octal 121160307
10 Decimal 21291207
12 Duodecimal 7169373
16 Hexadecimal 144e0c7
20 Vigesimal 6d1807
36 Base36 cocef

Cryptographic Hash Functions

md5 52ce3cf0a330aa602921e5dbdec0255d
sha1 667c04dfca810f1945dbf1d8eec89e73e6929ab4
sha256 178650587bfa537e4216e1a598e48dae561c67e6331ab362eabd26318d4f5ae9
sha512 7240861ed09e20f6dae272e92bd682b521496d4d7200358ddb15194ff78c50161bd4fe84a0b7dbc98541ac31ea605fc8bdbdb81153f6346767f0338c603cf51d
ripemd-160 93bccf9424171627be564696d94c515ef6b19dce

21291207 as geometric shapes

Circle

Radius = n
Diameter 42582414
Circumference 133776598.99452
Area 1.4241326304741E+15

Sphere

Radius = n
Volume 4.0428670174506E+22
Surface area 5.6965305218966E+15
Circumference 133776598.99452

Square

Length = n
Perimeter 85164828
Area 453315495516849
Diagonal 30110313.698693

Cube

Length = n
Surface area 2719892973101094
Volume 9.6516340513568E+21
Space diagonal 36877452.278466

Equilateral Triangle

Length = n
Perimeter 63873621
Area 1.9629136752336E+14
Altitude 18438726.139233

Triangular Pyramid

Length = n
Surface area 1.9629136752336E+14
Volume 1.1374559812076E+21
Height 10036771.232898