25681640 (number)

25681640 is an even 8-digits composite number following 25681639 and preceding 25681641. In scientific notation, it is written as 2.5681640 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors. There are 9803520 positive integers (up to 25681640) that are relatively prime to 25681640.

Interesting facts

Basic properties

Name

Name twenty-five million six hundred eighty-one thousand six hundred forty

Notation

Scientific notation 2.5681640 × 10^7
Engineering notation 2.5681640 × 10^6

Prime Factorization of 25681640

Prime Factorization 2 × 2 × 2 × 5 × 4619 × 139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 6420410
Product of the distinct prime numbers

The prime factorization of 25681640 is 2 × 2 × 2 × 5 × 4619 × 139. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 2, 97, 50, 407, 424, 4895, 9248, 27916, 33230, 654783, 409757, 441046, 184934, 74897376, 89616593, 474309381, 425858420, 5896168733, 3021501482

Basic calculations (n = 25681640)

Multiplication

n×y
n×2 51363280
n×3 77044920
n×4 102726560
n×5 128408200

Division

n÷y
n÷2 12840820
n÷3 8560546.6666667
n÷3 6420410
n÷5 5136328

Exponentiation

ny
n2 659546633089600
n3 1.6938239194219E+22
n4 4.3500176121983E+29
n5 1.1171558631014E+37

Nth Root

y√n
2√n 5067.7055952374
3√n 295.03548361836
4√n 71.187819149327
5√n 30.333641572717

Divisors of 25681640

1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4619, 5560, 9238, 18476, 23095, 36952, 46190, 92380, 184760, 642041, 1284082, 2568164, 3210205, 5136328, 6420410, 12840820, 25681640

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 -25681639
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 25681640 can be divided by 32 positive divisors. The sum of these divisors (counting 25681640) is 1, the average is 0.03125.

Base conversion 25681640

Base System Value
2 Binary 1100001111101111011101000
3 Ternary 1210022202120212
4 Quaternary 1201331323220
5 Quinary 23033303030
6 Senary 2314240252
8 Octal 141757350
10 Decimal 25681640
12 Duodecimal 8726088
16 Hexadecimal 187dee8
20 Vigesimal 80a420
36 Base36 fag2w

Cryptographic Hash Functions

md5 15c28e0795e490040b50ef52e7faf4c8
sha1 2c794f7671a2b4e1d09a690861ab050b55a258bd
sha256 a50a921704d288d926635241990e729434c4d89b5e55d1791c401eab3a19dd17
sha512 8c05dd7cf74ff2a4371d107a22d6297de8e03a4d49c089974f1f2f4db0fc205a21b2841702840ae71370e058f7d7ef3a2cd80b43dae24b5c14670f9d90878ca1
ripemd-160 2a2c5373b25fa105a7a742ee9a317339230cc19f

25681640 as geometric shapes

Circle

Radius = n
Diameter 51363280
Circumference 161362503.11228
Area 2.0720268572142E+15

Sphere

Radius = n
Volume 7.0950730423074E+22
Surface area 8.2881074288567E+15
Circumference 161362503.11228

Square

Length = n
Perimeter 102726560
Area 659546633089600
Diagonal 36319323.591983

Cube

Length = n
Surface area 3957279798537600
Volume 1.6938239194219E+22
Space diagonal 44481905.301693

Equilateral Triangle

Length = n
Perimeter 77044920
Area 2.8559206961804E+14
Altitude 22240952.650847

Triangular Pyramid

Length = n
Surface area 2.8559206961804E+14
Volume 1.9961906325987E+21
Height 12106441.197328