80821921 (number)

80821921 is an odd 8-digits composite number following 80821920 and preceding 80821922. In scientific notation, it is written as 8.0821921 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 79976832 positive integers (up to 80821921) that are relatively prime to 80821921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.0821921 × 10^7
Engineering notation 8.0821921 × 10^6

Prime Factorization of 80821921

Prime Factorization 313 × 149 × 1733

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 80821921
Product of the distinct prime numbers

The prime factorization of 80821921 is 313 × 149 × 1733. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80821921)

Multiplication

n×y
n×2 161643842
n×3 242465763
n×4 323287684
n×5 404109605

Division

n÷y
n÷2 40410960.5
n÷3 26940640.333333
n÷3 20205480.25
n÷5 16164384.2

Exponentiation

ny
n2 6532182914130241
n3 5.2794357144338E+23
n4 4.2669413623655E+31
n5 3.4486239770074E+39

Nth Root

y√n
2√n 8990.1012786286
3√n 432.35755898264
4√n 94.8161446096
5√n 38.150991894192

Divisors of 80821921

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 -80821920
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 80821921 can be divided by 8 positive divisors. The sum of these divisors (counting 80821921) is 1, the average is 0.125.

Base conversion 80821921

Base System Value
2 Binary 100110100010011111010100001
3 Ternary 12122002011211111
4 Quaternary 10310103322201
5 Quinary 131142300141
6 Senary 12004143321
8 Octal 464237241
10 Decimal 80821921
12 Duodecimal 23097b41
16 Hexadecimal 4d13ea1
20 Vigesimal 1552eg1
36 Base36 1c4ald

Cryptographic Hash Functions

md5 56547ee565f1eda4ce6542188f73c1f8
sha1 4d830be28db799c34046aa7809ca1a7c7af6da90
sha256 36954f96d9a99b3b5faeb16f898a2f864cb6e1bcd8d0d73244769d6b0f07ce11
sha512 fc426e82cd1279f0a72a2944cac70f082b38298602e6639eeedd35cc3196a2cfa749750b18cbf4096c496c657065d6748f141534939d6ba09e2f8bfc722768d0
ripemd-160 32c549c46e0d9861883893c62dcc7fd8946be502

80821921 as geometric shapes

Circle

Radius = n
Diameter 161643842
Circumference 507819106.52523
Area 2.0521457854936E+16

Sphere

Radius = n
Volume 2.211444860742E+24
Surface area 8.2085831419745E+16
Circumference 507819106.52523

Square

Length = n
Perimeter 323287684
Area 6532182914130241
Diagonal 114299456.81525

Cube

Length = n
Surface area 39193097484781446
Volume 5.2794357144338E+23
Space diagonal 139987673.53732

Equilateral Triangle

Length = n
Perimeter 242465763
Area 2.8285181729017E+15
Altitude 69993836.768659

Triangular Pyramid

Length = n
Surface area 2.8285181729017E+15
Volume 6.2218746575244E+22
Height 38099818.938416