12561640 (number)

12561640 is an even 8-digits composite number following 12561639 and preceding 12561641. In scientific notation, it is written as 1.2561640 × 10^7. The sum of its digits is 25. It has a total of 8 prime factors and 96 positive divisors. There are 3612672 positive integers (up to 12561640) that are relatively prime to 12561640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2561640 × 10^7
Engineering notation 1.2561640 × 10^6

Prime Factorization of 12561640

Prime Factorization 2 × 2 × 2 × 7 × 5 × 7 × 221 × 29

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 448630
Product of the distinct prime numbers

The prime factorization of 12561640 is 2 × 2 × 2 × 7 × 5 × 7 × 221 × 29. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 7, 41, 32, 812, 362, 5768, 2386, 19524, 14800, 606029, 560301, 713641, 7442395, 52137031, 8664282, 317330861, 794123734, 5037269838, 8639346008

Basic calculations (n = 12561640)

Multiplication

n×y
n×2 25123280
n×3 37684920
n×4 50246560
n×5 62808200

Division

n÷y
n÷2 6280820
n÷3 4187213.3333333
n÷3 3140410
n÷5 2512328

Exponentiation

ny
n2 157794799489600
n3 1.9821614650605E+21
n4 2.4899198745963E+28
n5 3.1277477093524E+35

Nth Root

y√n
2√n 3544.2403981671
3√n 232.46029306112
4√n 59.533523313904
5√n 26.29113096765

Divisors of 12561640

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 221, 232, 245, 280, 290, 392, 406, 442, 490, 580, 812, 884, 980, 1015, 1105, 1160, 1421, 1547, 1624, 1768, 1960, 2030, 2210, 2842, 3094, 4060, 4420, 5684, 6188, 6409, 7105, 7735, 8120, 8840, 10829, 11368, 12376, 12818, 14210, 15470, 21658, 25636, 28420, 30940, 32045, 43316, 44863, 51272, 54145, 56840, 61880, 64090, 86632, 89726, 108290, 128180, 179452, 216580, 224315, 256360, 314041, 358904, 433160, 448630, 628082, 897260, 1256164, 1570205, 1794520, 2512328, 3140410, 6280820, 12561640

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12561639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12561640 can be divided by 96 positive divisors. The sum of these divisors (counting 12561640) is 1, the average is 0.010416666666667.

Base conversion 12561640

Base System Value
2 Binary 101111111010110011101000
3 Ternary 212122012022221
4 Quaternary 233322303220
5 Quinary 11203433030
6 Senary 1125123424
8 Octal 57726350
10 Decimal 12561640
12 Duodecimal 4259574
16 Hexadecimal bface8
20 Vigesimal 3ia420
36 Base36 7h8mg

Cryptographic Hash Functions

md5 2f4e539ccb7a98bb3a5fa4eeccb1f8fa
sha1 3087a2f315c3639f2a4cd6756f3ef8153ecaecaf
sha256 26176f5b1ddbdc201633272f61e2c5700855f4fb82ed334ba569a376f9d0844a
sha512 14535406f2d1b88443255e890b042cd7be13e7f495b2c1095998840081f3f6085aeedd11e238aa535fbfab8513f3ba2f876b4294af0a8fda56a02f710fc1da43
ripemd-160 81ef5dffd2b2f66fa22e1c3d13787221fcdfdc94

12561640 as geometric shapes

Circle

Radius = n
Diameter 25123280
Circumference 78927111.882079
Area 4.957269828512E+14

Sphere

Radius = n
Volume 8.3028585291506E+21
Surface area 1.9829079314048E+15
Circumference 78927111.882079

Square

Length = n
Perimeter 50246560
Area 157794799489600
Diagonal 17764841.653648

Cube

Length = n
Surface area 946768796937600
Volume 1.9821614650605E+21
Space diagonal 21757398.70639

Equilateral Triangle

Length = n
Perimeter 37684920
Area 68327152471533
Altitude 10878699.353195

Triangular Pyramid

Length = n
Surface area 68327152471533
Volume 2.3359996889183E+20
Height 5921613.8845495