818378421 (number)

818378421 is an odd 9-digits composite number following 818378420 and preceding 818378422. In scientific notation, it is written as 8.18378421 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 467644800 positive integers (up to 818378421) that are relatively prime to 818378421.

Interesting facts

Basic properties

Name

Name eight hundred eighteen million three hundred seventy-eight thousand four hundred twenty-one

Notation

Scientific notation 8.18378421 × 10^8
Engineering notation 8.18378421 × 10^6

Prime Factorization of 818378421

Prime Factorization 21 × 38970401

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 818378421
Product of the distinct prime numbers

The prime factorization of 818378421 is 21 × 38970401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 14, 47, 137, 221, 4199, 8617, 64240, 7403, 394272, 328831, 3058282, 8237008, 20830790, 3995956, 2389622, 756890612, 9816047984, 5363496701

Basic calculations (n = 818378421)

Multiplication

n×y
n×2 1636756842
n×3 2455135263
n×4 3273513684
n×5 4091892105

Division

n÷y
n÷2 409189210.5
n÷3 272792807
n÷3 204594605.25
n÷5 163675684.2

Exponentiation

ny
n2 669743239958453241
n3 5.4810341519262E+26
n4 4.4855600747005E+35
n5 3.670885571234E+44

Nth Root

y√n
2√n 28607.314117197
3√n 935.37277061443
4√n 169.13696851131
5√n 60.616496832675

Divisors of 818378421

1, 21, 38970401, 818378421

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -818378420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 818378421 can be divided by 4 positive divisors. The sum of these divisors (counting 818378421) is 1, the average is 0.25.

Base conversion 818378421

Base System Value
2 Binary 110000110001110111011010110101
3 Ternary 2010000220221010220
4 Quaternary 300301313122311
5 Quinary 3134001102141
6 Senary 213112404553
8 Octal 6061673265
10 Decimal 818378421
12 Duodecimal 1aa0a6759
16 Hexadecimal 30c776b5
20 Vigesimal cfeh611
36 Base36 dj8otx

Cryptographic Hash Functions

md5 aebd8aa8c6cce09f584a2ce902e17102
sha1 8922e06b728e99072c345179ae25a6ca80cd4524
sha256 9371861f7437de2c1cf8b5528d702ce2a0d70656f4b4eed7e58b7ad548ffd763
sha512 6fe8a9fd0c3c060a7e42205c7fc1a0b6bbfc9a6479ebc93d853e5dc503e5df2393e29fe01514ab023190c694ab6594fe3da6c9d7a2c38d13572616bff34ee1e0
ripemd-160 0ddcb102755c837f11f34503658ac69eb6067aa1

818378421 as geometric shapes

Circle

Radius = n
Diameter 1636756842
Circumference 5142023270.54
Area 2.1040604424449E+18

Sphere

Radius = n
Volume 2.2958902167688E+27
Surface area 8.4162417697796E+18
Circumference 5142023270.54

Square

Length = n
Perimeter 3273513684
Area 669743239958453241
Diagonal 1157361862.1317

Cube

Length = n
Surface area 4018459439750719446
Volume 5.4810341519262E+26
Space diagonal 1417473004.99

Equilateral Triangle

Length = n
Perimeter 2455135263
Area 2.9000732990846E+17
Altitude 708736502.495

Triangular Pyramid

Length = n
Surface area 2.9000732990846E+17
Volume 6.4594606945702E+25
Height 385787287.37723