86781421 (number)

86781421 is an odd 8-digits composite number following 86781420 and preceding 86781422. In scientific notation, it is written as 8.6781421 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 85436208 positive integers (up to 86781421) that are relatively prime to 86781421.

Interesting facts

Basic properties

Name

Name eighty-six million seven hundred eighty-one thousand four hundred twenty-one

Notation

Scientific notation 8.6781421 × 10^7
Engineering notation 8.6781421 × 10^6

Prime Factorization of 86781421

Prime Factorization 79 × 397 × 2767

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 86781421
Product of the distinct prime numbers

The prime factorization of 86781421 is 79 × 397 × 2767. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 99, 16, 38, 395, 1502, 5591, 90642, 51866, 414927, 902095, 5560100, 2992902, 12934628, 8808318, 218515359, 128867426, 9968115628, 3149398226

Basic calculations (n = 86781421)

Multiplication

n×y
n×2 173562842
n×3 260344263
n×4 347125684
n×5 433907105

Division

n÷y
n÷2 43390710.5
n÷3 28927140.333333
n÷3 21695355.25
n÷5 17356284.2

Exponentiation

ny
n2 7531015030779241
n3 6.5355218594338E+23
n4 5.6716187393823E+31
n5 4.9219113357382E+39

Nth Root

y√n
2√n 9315.6546200468
3√n 442.73336515489
4√n 96.5176389063
5√n 38.697717640086

Divisors of 86781421

1, 79, 397, 2767, 31363, 218593, 1098499, 86781421

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -86781420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 86781421 can be divided by 8 positive divisors. The sum of these divisors (counting 86781421) is 1, the average is 0.125.

Base conversion 86781421

Base System Value
2 Binary 101001011000010110111101101
3 Ternary 20001021221201201
4 Quaternary 11023002313231
5 Quinary 134204001141
6 Senary 12340005501
8 Octal 513026755
10 Decimal 86781421
12 Duodecimal 25090891
16 Hexadecimal 52c2ded
20 Vigesimal 1727db1
36 Base36 1fo0z1

Cryptographic Hash Functions

md5 b7630a38f78e56831098caa92d4650c3
sha1 4ed9b623eea0756b5b850c672d2557b8286e5cfe
sha256 3f65c600e62cf5db513f8296e6e2ac576de55c846e9a1eb424b90eee0f046819
sha512 7df0146b7f08d62ecede64824b2db7c62ad46779afb95b0d1a692ff060c2ed0a0f3bb6ddbddb31125a1357c98ce2f2863db35e6c78dfbb9a7832272a63c25baa
ripemd-160 82a61cc550b984c4d7cc22433a1a23b616cdfe5a

86781421 as geometric shapes

Circle

Radius = n
Diameter 173562842
Circumference 545263749.36337
Area 2.365938149477E+16

Sphere

Radius = n
Volume 2.7375929947964E+24
Surface area 9.4637525979081E+16
Circumference 545263749.36337

Square

Length = n
Perimeter 347125684
Area 7531015030779241
Diagonal 122727462.54021

Cube

Length = n
Surface area 45186090184675446
Volume 6.5355218594338E+23
Space diagonal 150309830.32502

Equilateral Triangle

Length = n
Perimeter 260344263
Area 3.2610251664686E+15
Altitude 75154915.162512

Triangular Pyramid

Length = n
Surface area 3.2610251664686E+15
Volume 7.7021863756643E+22
Height 40909154.18007