15668921 (number)

15668921 is an odd 8-digits prime number following 15668920 and preceding 15668922. In scientific notation, it is written as 1.5668921 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 15668920 positive integers (up to 15668921) that are relatively prime to 15668921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5668921 × 10^7
Engineering notation 1.5668921 × 10^6

Prime Factorization of 15668921

Prime Factorization 15668921

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 15668921
Product of the distinct prime numbers

The prime factorization of 15668921 is 15668921. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 4, 98, 2, 587, 136, 4123, 4680, 34550, 27332, 861932, 289682, 407498, 3436151, 43138670, 70100014, 840499704, 872975038, 1797078046, 8086812254

Basic calculations (n = 15668921)

Multiplication

n×y
n×2 31337842
n×3 47006763
n×4 62675684
n×5 78344605

Division

n÷y
n÷2 7834460.5
n÷3 5222973.6666667
n÷3 3917230.25
n÷5 3133784.2

Exponentiation

ny
n2 245515085304241
n3 3.8469564759404E+21
n4 6.0277657111949E+28
n5 9.4448584735221E+35

Nth Root

y√n
2√n 3958.3987924412
3√n 250.23402619194
4√n 62.915807174678
5√n 27.479436212368

Divisors of 15668921

1, 15668921

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 15668922
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 7834461
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3958.3989187549
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998723588
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15668921 can be divided by 2 positive divisors. The sum of these divisors (counting 15668921) is 15668922, the average is 7834461.

Base conversion 15668921

Base System Value
2 Binary 111011110001011010111001
3 Ternary 1002111001201102
4 Quaternary 323301122321
5 Quinary 13002401141
6 Senary 1315501145
8 Octal 73613271
10 Decimal 15668921
12 Duodecimal 52b77b5
16 Hexadecimal ef16b9
20 Vigesimal 4hic61
36 Base36 9bu7t

Cryptographic Hash Functions

md5 e5cd84128f73e7e7cb58d79b11c48c96
sha1 e1b539a36724e84b3128ed6a802b4dfea24d9275
sha256 20c7c58b93d9b0fb2d05b06f30b8f5d91af68e2ec380d015d7dfffd4c72c3642
sha512 e63cb08526b4d5d42a371776d44866381a17eaa3b06152bb663ef2606d2dbbda29409def088865c4c2705c9450a776d478b8fea1763667483d6583db4f59f77f
ripemd-160 872f060202eae3c536075a73cb3d2a5b5f36bf3a

15668921 as geometric shapes

Circle

Radius = n
Diameter 31337842
Circumference 98450734.206558
Area 7.7130838833727E+14

Sphere

Radius = n
Volume 1.6114093604659E+22
Surface area 3.0852335533491E+15
Circumference 98450734.206558

Square

Length = n
Perimeter 62675684
Area 245515085304241
Diagonal 22159200.585953

Cube

Length = n
Surface area 1473090511825446
Volume 3.8469564759404E+21
Space diagonal 27139367.271783

Equilateral Triangle

Length = n
Perimeter 47006763
Area 1.0631115044289E+14
Altitude 13569683.635891

Triangular Pyramid

Length = n
Surface area 1.0631115044289E+14
Volume 4.5336816851116E+20
Height 7386400.1953175