68781640 (number)

68781640 is an even 8-digits composite number following 68781639 and preceding 68781641. In scientific notation, it is written as 6.8781640 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors. There are 27512640 positive integers (up to 68781640) that are relatively prime to 68781640.

Interesting facts

Basic properties

Name

Name sixty-eight million seven hundred eighty-one thousand six hundred forty

Notation

Scientific notation 6.8781640 × 10^7
Engineering notation 6.8781640 × 10^6

Prime Factorization of 68781640

Prime Factorization 2 × 2 × 2 × 5 × 1719541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 17195410
Product of the distinct prime numbers

The prime factorization of 68781640 is 2 × 2 × 2 × 5 × 1719541. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 33, 7, 346, 549, 3349, 9618, 24035, 31324, 824987, 432752, 2494057, 7686762, 21431252, 20936502, 981223564, 33273881, 2039978797, 6801890151

Basic calculations (n = 68781640)

Multiplication

n×y
n×2 137563280
n×3 206344920
n×4 275126560
n×5 343908200

Division

n÷y
n÷2 34390820
n÷3 22927213.333333
n÷3 17195410
n÷5 13756328

Exponentiation

ny
n2 4730914001089600
n3 3.254000236939E+23
n4 2.2381547285706E+31
n5 1.5394395280484E+39

Nth Root

y√n
2√n 8293.4697202076
3√n 409.72347008632
4√n 91.068489172752
5√n 36.939797074135

Divisors of 68781640

1, 2, 4, 5, 8, 10, 20, 40, 1719541, 3439082, 6878164, 8597705, 13756328, 17195410, 34390820, 68781640

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 -68781639
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 68781640 can be divided by 16 positive divisors. The sum of these divisors (counting 68781640) is 1, the average is 0.0625.

Base conversion 68781640

Base System Value
2 Binary 100000110011000011001001000
3 Ternary 11210102110200011
4 Quaternary 10012120121020
5 Quinary 120102003030
6 Senary 10454121304
8 Octal 406303110
10 Decimal 68781640
12 Duodecimal 1b050234
16 Hexadecimal 4198648
20 Vigesimal 119he20
36 Base36 14y894

Cryptographic Hash Functions

md5 a2178998502baed76dad1bb6f77b66dc
sha1 e8788cdf8114bcb1be18e5a490e4fefe9fbfcd4c
sha256 460ad0916dfc0755cd25f38d00fe5c9247445a49576f5ea4a37c9372cd656dd5
sha512 ef23af135bf7a7b3ee61e5146270668c899fcf20783b5483e2eae18ff780dc329df5db093f9e3900cb1cd59f3341eef6d99cc0f1d2d6eb1d7315ec02bcd77f9b
ripemd-160 039c8dbddd178cc7faab15d4dd4b469deda5f1d8

68781640 as geometric shapes

Circle

Radius = n
Diameter 137563280
Circumference 432167789.85172
Area 1.4862604670588E+16

Sphere

Radius = n
Volume 1.3630324318863E+24
Surface area 5.9450418682353E+16
Circumference 432167789.85172

Square

Length = n
Perimeter 275126560
Area 4730914001089600
Diagonal 97271928.130264

Cube

Length = n
Surface area 28385484006537600
Volume 3.254000236939E+23
Space diagonal 119133295.10791

Equilateral Triangle

Length = n
Perimeter 206344920
Area 2.0485458540315E+15
Altitude 59566647.553956

Triangular Pyramid

Length = n
Surface area 2.0485458540315E+15
Volume 3.8348760558704E+22
Height 32423976.043421