15663921 (number)

15663921 is an odd 8-digits composite number following 15663920 and preceding 15663922. In scientific notation, it is written as 1.5663921 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 8190720 positive integers (up to 15663921) that are relatively prime to 15663921.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-three thousand nine hundred twenty-one

Notation

Scientific notation 1.5663921 × 10^7
Engineering notation 1.5663921 × 10^6

Prime Factorization of 15663921

Prime Factorization 13 × 3 × 7 × 181 × 317

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15663921
Product of the distinct prime numbers

The prime factorization of 15663921 is 13 × 3 × 7 × 181 × 317. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 60, 4, 671, 605, 4800, 9565, 97810, 34731, 150550, 26502, 8686199, 5965613, 42925883, 50556231, 69122882, 725929728, 9987435147, 5296298537

Basic calculations (n = 15663921)

Multiplication

n×y
n×2 31327842
n×3 46991763
n×4 62655684
n×5 78319605

Division

n÷y
n÷2 7831960.5
n÷3 5221307
n÷3 3915980.25
n÷5 3132784.2

Exponentiation

ny
n2 245358421094241
n3 3.8432749247049E+21
n4 6.0200754801859E+28
n5 9.4297986735669E+35

Nth Root

y√n
2√n 3957.7671735462
3√n 250.20740654918
4√n 62.910787417948
5√n 27.477682234261

Divisors of 15663921

1, 3, 7, 13, 21, 39, 91, 181, 273, 317, 543, 951, 1267, 2219, 2353, 3801, 4121, 6657, 7059, 12363, 16471, 28847, 49413, 57377, 86541, 172131, 401639, 745901, 1204917, 2237703, 5221307, 15663921

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 -15663920
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 15663921 can be divided by 32 positive divisors. The sum of these divisors (counting 15663921) is 1, the average is 0.03125.

Base conversion 15663921

Base System Value
2 Binary 111011110000001100110001
3 Ternary 1002110210212020
4 Quaternary 323300030301
5 Quinary 13002221141
6 Senary 1315422053
8 Octal 73601461
10 Decimal 15663921
12 Duodecimal 52b4929
16 Hexadecimal ef0331
20 Vigesimal 4hhjg1
36 Base36 9bqcx

Cryptographic Hash Functions

md5 69b87928b043db4ea9bc639e32971442
sha1 4a9dbf6210bea704212e038f2f7661deccc71819
sha256 9c9294f7cafae794a12c0ec61e7a23180792ef632df1630b5355b1001e170c88
sha512 1d04a15c38f64d04878e5bd6520aead00d00227b96f0e426d8cdcbb99eefb6967da245130059704e17c6e8f1f15d6f0b87ed7442b58453fa1f76858953d15adb
ripemd-160 7a9535db8fbd5475adca21552f9bab68b2eb6f1c

15663921 as geometric shapes

Circle

Radius = n
Diameter 31327842
Circumference 98419318.280022
Area 7.7081621320606E+14

Sphere

Radius = n
Volume 1.6098672358905E+22
Surface area 3.0832648528242E+15
Circumference 98419318.280022

Square

Length = n
Perimeter 62655684
Area 245358421094241
Diagonal 22152129.518141

Cube

Length = n
Surface area 1472150526565446
Volume 3.8432749247049E+21
Space diagonal 27130707.017745

Equilateral Triangle

Length = n
Perimeter 46991763
Area 1.0624331285003E+14
Altitude 13565353.508873

Triangular Pyramid

Length = n
Surface area 1.0624331285003E+14
Volume 4.5293429353718E+20
Height 7384043.1727136