68097981 (number)

68097981 is an odd 8-digits composite number following 68097980 and preceding 68097982. In scientific notation, it is written as 6.8097981 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 38567424 positive integers (up to 68097981) that are relatively prime to 68097981.

Interesting facts

Basic properties

Name

Name sixty-eight million ninety-seven thousand nine hundred eighty-one

Notation

Scientific notation 6.8097981 × 10^7
Engineering notation 6.8097981 × 10^6

Prime Factorization of 68097981

Prime Factorization 3 × 7 × 113 × 28697

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68097981
Product of the distinct prime numbers

The prime factorization of 68097981 is 3 × 7 × 113 × 28697. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68097981)

Multiplication

n×y
n×2 136195962
n×3 204293943
n×4 272391924
n×5 340489905

Division

n÷y
n÷2 34048990.5
n÷3 22699327
n÷3 17024495.25
n÷5 13619596.2

Exponentiation

ny
n2 4637335016276361
n3 3.1579315182902E+23
n4 2.1504876053183E+31
n5 1.464438640877E+39

Nth Root

y√n
2√n 8252.1500834631
3√n 408.36145760288
4√n 90.841345671798
5√n 36.866070323682

Divisors of 68097981

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 -68097980
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 68097981 can be divided by 16 positive divisors. The sum of these divisors (counting 68097981) is 1, the average is 0.0625.

Base conversion 68097981

Base System Value
2 Binary 100000011110001011110111101
3 Ternary 11202010201212110
4 Quaternary 10003301132331
5 Quinary 114413113411
6 Senary 10431324233
8 Octal 403613675
10 Decimal 68097981
12 Duodecimal 1a980679
16 Hexadecimal 40f17bd
20 Vigesimal 115c4j1
36 Base36 14jkql

Cryptographic Hash Functions

md5 ee531cd433a27a12137a9d99a0b898e9
sha1 9b44c9e6dd9d345033b926347b03924be4825be5
sha256 d20d423684057644d010c5e6ecb91fab51528d52894786af9f1b9a4f103937fc
sha512 c0319af0a4d95de5e55342298250fbfd7a67acfac5d16238f72e0875063d1d02709d939e24908e6c65b8c5c83bdc368580573d2024761c4a326219f529062d22
ripemd-160 4f0d9925924e7c89b04e75bcbb126babb4677d44

68097981 as geometric shapes

Circle

Radius = n
Diameter 136195962
Circumference 427872233.66779
Area 1.4568617619369E+16

Sphere

Radius = n
Volume 1.32279126112E+24
Surface area 5.8274470477474E+16
Circumference 427872233.66779

Square

Length = n
Perimeter 272391924
Area 4637335016276361
Diagonal 96305088.300425

Cube

Length = n
Surface area 27824010097658166
Volume 3.1579315182902E+23
Space diagonal 117949162.98486

Equilateral Triangle

Length = n
Perimeter 204293943
Area 2.0080249649772E+15
Altitude 58974581.49243

Triangular Pyramid

Length = n
Surface area 2.0080249649772E+15
Volume 3.7216579851762E+22
Height 32101696.100142