20921407 (number)

20921407 is an odd 8-digits composite number following 20921406 and preceding 20921408. In scientific notation, it is written as 2.0921407 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 18017280 positive integers (up to 20921407) that are relatively prime to 20921407.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand four hundred seven

Notation

Scientific notation 2.0921407 × 10^7
Engineering notation 2.0921407 × 10^6

Prime Factorization of 20921407

Prime Factorization 17 × 13 × 137 × 691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921407
Product of the distinct prime numbers

The prime factorization of 20921407 is 17 × 13 × 137 × 691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 90, 74, 69, 626, 4574, 9738, 26960, 57614, 653457, 603592, 9566017, 3813869, 73143434, 99211621, 785452241, 981174052, 6327247166, 6457727891

Basic calculations (n = 20921407)

Multiplication

n×y
n×2 41842814
n×3 62764221
n×4 83685628
n×5 104607035

Division

n÷y
n÷2 10460703.5
n÷3 6973802.3333333
n÷3 5230351.75
n÷5 4184281.4

Exponentiation

ny
n2 437705270859649
n3 9.1574101177E+21
n4 1.9158590413832E+29
n5 4.0082466759408E+36

Nth Root

y√n
2√n 4573.9924573615
3√n 275.54780939776
4√n 67.631297912738
5√n 29.11509272949

Divisors of 20921407

1, 13, 17, 137, 221, 691, 1781, 2329, 8983, 11747, 30277, 94667, 152711, 1230671, 1609339, 20921407

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 -20921406
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 20921407 can be divided by 16 positive divisors. The sum of these divisors (counting 20921407) is 1, the average is 0.0625.

Base conversion 20921407

Base System Value
2 Binary 1001111110011110000111111
3 Ternary 1110100220202221
4 Quaternary 1033303300333
5 Quinary 20323441112
6 Senary 2024230211
8 Octal 117636077
10 Decimal 20921407
12 Duodecimal 700b367
16 Hexadecimal 13f3c3f
20 Vigesimal 6af3a7
36 Base36 cgf27

Cryptographic Hash Functions

md5 c2e6b7aaaabfa887087cd278223ced20
sha1 053d4da32ff81cbef61e94d894400e6727891121
sha256 80d58630c979d315ee16bc9ae1feb2a1ff77a8d9dc4b17c87ae346f0495cb8bc
sha512 6febb5764b8a614c7fc04a50a782ec2bf0946e6ccc6186c6572b87c55c3f48bf129cc775cc516e53323d44ab35212eb576fcf317779db80382db4e97df092235
ripemd-160 dce05ff5af9fd20a52acf4112f8889fe09dd78dc

20921407 as geometric shapes

Circle

Radius = n
Diameter 41842814
Circumference 131453077.06792
Area 1.3750916633702E+15

Sphere

Radius = n
Volume 3.8358469802233E+22
Surface area 5.5003666534808E+15
Circumference 131453077.06792

Square

Length = n
Perimeter 83685628
Area 437705270859649
Diagonal 29587337.523327

Cube

Length = n
Surface area 2626231625157894
Volume 9.1574101177E+21
Space diagonal 36236939.889827

Equilateral Triangle

Length = n
Perimeter 62764221
Area 1.895319419674E+14
Altitude 18118469.944914

Triangular Pyramid

Length = n
Surface area 1.895319419674E+14
Volume 1.0792111320553E+21
Height 9862445.8411091