12961665 (number)

12961665 is an odd 8-digits composite number following 12961664 and preceding 12961666. In scientific notation, it is written as 1.2961665 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6849024 positive integers (up to 12961665) that are relatively prime to 12961665.

Interesting facts

Basic properties

Name

Name twelve million nine hundred sixty-one thousand six hundred sixty-five

Notation

Scientific notation 1.2961665 × 10^7
Engineering notation 1.2961665 × 10^6

Prime Factorization of 12961665

Prime Factorization 9 × 5 × 113 × 2549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12961665
Product of the distinct prime numbers

The prime factorization of 12961665 is 9 × 5 × 113 × 2549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 30, 62, 967, 512, 3660, 3480, 45614, 86938, 327600, 974920, 7145511, 8045267, 90480619, 87580656, 864803416, 388273430, 2609804374, 6378791726

Basic calculations (n = 12961665)

Multiplication

n×y
n×2 25923330
n×3 38884995
n×4 51846660
n×5 64808325

Division

n÷y
n÷2 6480832.5
n÷3 4320555
n÷3 3240416.25
n÷5 2592333

Exponentiation

ny
n2 168004759572225
n3 2.1776214119807E+21
n4 2.8225599238921E+28
n5 3.6585076175915E+35

Nth Root

y√n
2√n 3600.2312425732
3√n 234.9021170743
4√n 60.001926990499
5√n 26.456485918964

Divisors of 12961665

1, 5, 9, 45, 113, 565, 1017, 2549, 5085, 12745, 22941, 114705, 288037, 1440185, 2592333, 12961665

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 -12961664
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 12961665 can be divided by 16 positive divisors. The sum of these divisors (counting 12961665) is 1, the average is 0.0625.

Base conversion 12961665

Base System Value
2 Binary 110001011100011110000001
3 Ternary 220101112001200
4 Quaternary 301130132001
5 Quinary 11304233130
6 Senary 1141451413
8 Octal 61343601
10 Decimal 12961665
12 Duodecimal 4410b69
16 Hexadecimal c5c781
20 Vigesimal 410435
36 Base36 7pta9

Cryptographic Hash Functions

md5 3d39044983619a5453a06d492f2755df
sha1 15f71142afaa5052b9b1f072b44e6090c8846c5e
sha256 e12d4b73e5097972f910a9cb70ed78ec9e6e171dba3d46d484422d1f53f66873
sha512 488f1ec27aa454ab62271a22b1b1a0bc8c74b70e4760cc253fd20125c1a521ede6a6153fa07f498f0380e8e20f58d28cd6e636958fc970f2b0bf643cb4f9e523
ripemd-160 ce40dc0a91415c1d1b58988ed7cec963c64bfda1

12961665 as geometric shapes

Circle

Radius = n
Diameter 25923330
Circumference 81440543.084584
Area 5.2780251844022E+14

Sphere

Radius = n
Volume 9.121599240238E+21
Surface area 2.1112100737609E+15
Circumference 81440543.084584

Square

Length = n
Perimeter 51846660
Area 168004759572225
Diagonal 18330562.433937

Cube

Length = n
Surface area 1008028557433350
Volume 2.1776214119807E+21
Space diagonal 22450262.330687

Equilateral Triangle

Length = n
Perimeter 38884995
Area 72748194873122
Altitude 11225131.165344

Triangular Pyramid

Length = n
Surface area 72748194873122
Volume 2.5663514454477E+20
Height 6110187.4779789