12921645 (number)

12921645 is an odd 8-digits composite number following 12921644 and preceding 12921646. In scientific notation, it is written as 1.2921645 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6171200 positive integers (up to 12921645) that are relatively prime to 12921645.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twenty-one thousand six hundred forty-five

Notation

Scientific notation 1.2921645 × 10^7
Engineering notation 1.2921645 × 10^6

Prime Factorization of 12921645

Prime Factorization 3 × 5 × 11 × 71 × 1103

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12921645
Product of the distinct prime numbers

The prime factorization of 12921645 is 3 × 5 × 11 × 71 × 1103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 10, 9, 652, 339, 4380, 3088, 88652, 90431, 96493, 956140, 5282606, 1058804, 11001512, 51294475, 672415837, 85346246, 9514279595, 8227708347

Basic calculations (n = 12921645)

Multiplication

n×y
n×2 25843290
n×3 38764935
n×4 51686580
n×5 64608225

Division

n÷y
n÷2 6460822.5
n÷3 4307215
n÷3 3230411.25
n÷5 2584329

Exponentiation

ny
n2 166968909506025
n3 2.157512974674E+21
n4 2.7878616741631E+28
n5 3.6023758862641E+35

Nth Root

y√n
2√n 3594.6689694602
3√n 234.66010921149
4√n 59.955558286619
5√n 26.440128473742

Divisors of 12921645

1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 1103, 2343, 3309, 3905, 5515, 11715, 12133, 16545, 36399, 60665, 78313, 181995, 234939, 391565, 861443, 1174695, 2584329, 4307215, 12921645

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 -12921644
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 12921645 can be divided by 32 positive divisors. The sum of these divisors (counting 12921645) is 1, the average is 0.03125.

Base conversion 12921645

Base System Value
2 Binary 110001010010101100101101
3 Ternary 220022111011110
4 Quaternary 301102230231
5 Quinary 11301443040
6 Senary 1140542233
8 Octal 61225455
10 Decimal 12921645
12 Duodecimal 43b1979
16 Hexadecimal c52b2d
20 Vigesimal 40f425
36 Base36 7oyel

Cryptographic Hash Functions

md5 86e83a5119c210f1ca78cf6d92dac716
sha1 d4f8d48b4ef10386fdb10a811e90d1962fa0f804
sha256 8493b91adf34ab4482526471f4bb9d83a879e2264e203492658a92618a83b37d
sha512 e20267c3f8861db07da3481b9a8d320bd4904dfe5a94cda87463d0324645dd0eda063c44d585708bac6ac3e9af7c377b520a457a94307182e04e95a14fc49d5b
ripemd-160 84cb0c673b46115498d0ae35e0b6a832d425a885

12921645 as geometric shapes

Circle

Radius = n
Diameter 25843290
Circumference 81189090.008591
Area 5.2454829948203E+14

Sphere

Radius = n
Volume 9.0373692150139E+21
Surface area 2.0981931979281E+15
Circumference 81189090.008591

Square

Length = n
Perimeter 51686580
Area 166968909506025
Diagonal 18273965.60717

Cube

Length = n
Surface area 1001813457036150
Volume 2.157512974674E+21
Space diagonal 22380945.657368

Equilateral Triangle

Length = n
Perimeter 38764935
Area 72299658637201
Altitude 11190472.828684

Triangular Pyramid

Length = n
Surface area 72299658637201
Volume 2.5426534248166E+20
Height 6091321.8690568