80821918 (number)

80821918 is an even 8-digits composite number following 80821917 and preceding 80821919. In scientific notation, it is written as 8.0821918 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 40410958 positive integers (up to 80821918) that are relatively prime to 80821918.

Interesting facts

Basic properties

Name

Name eighty million eight hundred twenty-one thousand nine hundred eighteen

Notation

Scientific notation 8.0821918 × 10^7
Engineering notation 8.0821918 × 10^6

Prime Factorization of 80821918

Prime Factorization 2 × 40410959

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 80821918
Product of the distinct prime numbers

The prime factorization of 80821918 is 2 × 40410959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80821918)

Multiplication

n×y
n×2 161643836
n×3 242465754
n×4 323287672
n×5 404109590

Division

n÷y
n÷2 40410959
n÷3 26940639.333333
n÷3 20205479.5
n÷5 16164383.6

Exponentiation

ny
n2 6532182429198724
n3 5.2794351265374E+23
n4 4.2669407288333E+31
n5 3.4486233369662E+39

Nth Root

y√n
2√n 8990.1011117784
3√n 432.35755363313
4√n 94.816143729739
5√n 38.15099161097

Divisors of 80821918

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 -80821917
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 80821918 can be divided by 4 positive divisors. The sum of these divisors (counting 80821918) is 1, the average is 0.25.

Base conversion 80821918

Base System Value
2 Binary 100110100010011111010011110
3 Ternary 12122002011211101
4 Quaternary 10310103322132
5 Quinary 131142300133
6 Senary 12004143314
8 Octal 464237236
10 Decimal 80821918
12 Duodecimal 23097b3a
16 Hexadecimal 4d13e9e
20 Vigesimal 1552efi
36 Base36 1c4ala

Cryptographic Hash Functions

md5 a6e2996fc1628af9e52517e0554adc95
sha1 b3da9cd2a202e63e2fbdff430d65c93a4663549c
sha256 a5ddd54f2cef5d72658831c7c90a5d697db5a4f4ebb204978aa30a54f3f28528
sha512 892c1c752027b62493d67f369d3b2232eef40a8ff46d545cf043fc28386a41cc3d7d5d44bd7f9d1c471e20afe7330b7175db4b5c5fc5425b0ab0b6b26ab28738
ripemd-160 19935d05929b48a74ffc3867ce13587b26599f70

80821918 as geometric shapes

Circle

Radius = n
Diameter 161643836
Circumference 507819087.67567
Area 2.0521456331479E+16

Sphere

Radius = n
Volume 2.2114446144845E+24
Surface area 8.2085825325916E+16
Circumference 507819087.67567

Square

Length = n
Perimeter 323287672
Area 6532182429198724
Diagonal 114299452.57261

Cube

Length = n
Surface area 39193094575192344
Volume 5.2794351265374E+23
Space diagonal 139987668.34117

Equilateral Triangle

Length = n
Perimeter 242465754
Area 2.8285179629202E+15
Altitude 69993834.170583

Triangular Pyramid

Length = n
Surface area 2.8285179629202E+15
Volume 6.2218739646818E+22
Height 38099817.524202