68821491 (number)

68821491 is an odd 8-digits composite number following 68821490 and preceding 68821492. In scientific notation, it is written as 6.8821491 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 43058688 positive integers (up to 68821491) that are relatively prime to 68821491.

Interesting facts

Basic properties

Name

Name sixty-eight million eight hundred twenty-one thousand four hundred ninety-one

Notation

Scientific notation 6.8821491 × 10^7
Engineering notation 6.8821491 × 10^6

Prime Factorization of 68821491

Prime Factorization 3 × 17 × 389 × 3469

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68821491
Product of the distinct prime numbers

The prime factorization of 68821491 is 3 × 17 × 389 × 3469. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 55, 1, 350, 37, 389, 6603, 56324, 752, 135663, 801057, 7340461, 9621133, 29459621, 88347940, 879807147, 800688151, 7425584060, 3749748137

Basic calculations (n = 68821491)

Multiplication

n×y
n×2 137642982
n×3 206464473
n×4 275285964
n×5 344107455

Division

n÷y
n÷2 34410745.5
n÷3 22940497
n÷3 17205372.75
n÷5 13764298.2

Exponentiation

ny
n2 4736397623463081
n3 3.2596594641559E+23
n4 2.2433462447547E+31
n5 1.5439043339327E+39

Nth Root

y√n
2√n 8295.8719252409
3√n 409.80258391983
4√n 91.081677220179
5√n 36.944076549908

Divisors of 68821491

1, 3, 17, 51, 389, 1167, 3469, 6613, 10407, 19839, 58973, 176919, 1349441, 4048323, 22940497, 68821491

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 -68821490
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 68821491 can be divided by 16 positive divisors. The sum of these divisors (counting 68821491) is 1, the average is 0.0625.

Base conversion 68821491

Base System Value
2 Binary 100000110100010000111110011
3 Ternary 11210111111100010
4 Quaternary 10012202013303
5 Quinary 120104241431
6 Senary 10455030003
8 Octal 406420763
10 Decimal 68821491
12 Duodecimal 1b06b303
16 Hexadecimal 41a21f3
20 Vigesimal 11a2deb
36 Base36 14z303

Cryptographic Hash Functions

md5 3384f7b0cd3669d23e8f6bec3a534c4b
sha1 745ced41b15ca74bfb314d5f24ce8780ec5972bc
sha256 6e82806ae5ce717425ecc0bda6a38345d66ca0cb67158a20a2e21c512c4ed64b
sha512 f7e3334e30c7b6f34e565b4c7ab6d46f04def48a33ec14246fb1330b41fbe7698d055b079e44cfab8d9cd607adfe9aebfc4e3fc832d3145de1140925d8f55ae2
ripemd-160 933cd3c321e65f8ba05710c3b5537b63eaafe4b5

68821491 as geometric shapes

Circle

Radius = n
Diameter 137642982
Circumference 432418181.06939
Area 1.4879831978352E+16

Sphere

Radius = n
Volume 1.3654029634395E+24
Surface area 5.9519327913407E+16
Circumference 432418181.06939

Square

Length = n
Perimeter 275285964
Area 4736397623463081
Diagonal 97328285.954938

Cube

Length = n
Surface area 28418385740778486
Volume 3.2596594641559E+23
Space diagonal 119202319.06464

Equilateral Triangle

Length = n
Perimeter 206464473
Area 2.0509203321716E+15
Altitude 59601159.532322

Triangular Pyramid

Length = n
Surface area 2.0509203321716E+15
Volume 3.8415455191059E+22
Height 32442761.984979