64872021 (number)

64872021 is an odd 8-digits composite number following 64872020 and preceding 64872022. In scientific notation, it is written as 6.4872021 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 43129440 positive integers (up to 64872021) that are relatively prime to 64872021.

Interesting facts

Basic properties

Name

Name sixty-four million eight hundred seventy-two thousand twenty-one

Notation

Scientific notation 6.4872021 × 10^7
Engineering notation 6.4872021 × 10^6

Prime Factorization of 64872021

Prime Factorization 3 × 367 × 58921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64872021
Product of the distinct prime numbers

The prime factorization of 64872021 is 3 × 367 × 58921. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64872021)

Multiplication

n×y
n×2 129744042
n×3 194616063
n×4 259488084
n×5 324360105

Division

n÷y
n÷2 32436010.5
n÷3 21624007
n÷3 16218005.25
n÷5 12974404.2

Exponentiation

ny
n2 4208379108624441
n3 2.7300605791065E+23
n4 1.7710454721907E+31
n5 1.1489129906391E+39

Nth Root

y√n
2√n 8054.3169170328
3√n 401.80852122078
4√n 89.745846238323
5√n 36.509970799191

Divisors of 64872021

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 -64872020
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 64872021 can be divided by 8 positive divisors. The sum of these divisors (counting 64872021) is 1, the average is 0.125.

Base conversion 64872021

Base System Value
2 Binary 11110111011101111001010101
3 Ternary 11112001211200110
4 Quaternary 3313131321111
5 Quinary 113101401041
6 Senary 10234233233
8 Octal 367357125
10 Decimal 64872021
12 Duodecimal 19885819
16 Hexadecimal 3ddde55
20 Vigesimal 1059011
36 Base36 12mfkl

Cryptographic Hash Functions

md5 254a63bf2ed6a1e337ef9cfb83705861
sha1 55ce3c4b07cfc5aff19e78442b2ed1283aa236d0
sha256 d27cac25bea23a71181ce860ef4c3411128f749fa860b0211e453ea9be7c45df
sha512 0da76b5853b6f4e4762d32812ce4b952d0325d51eacc779bdeb5b9161551ff32514aec08f71397dc62c6e069103fe6f6a98467109a330799af7c182812af70d1
ripemd-160 a9de47e9fc9ebd558a6cc35397fd88a6314a9ba4

64872021 as geometric shapes

Circle

Radius = n
Diameter 129744042
Circumference 407602929.19425
Area 1.3221012891175E+16

Sphere

Radius = n
Volume 1.1435651012235E+24
Surface area 5.2884051564701E+16
Circumference 407602929.19425

Square

Length = n
Perimeter 259488084
Area 4208379108624441
Diagonal 91742891.916752

Cube

Length = n
Surface area 25250274651746646
Volume 2.7300605791065E+23
Space diagonal 112361636.36168

Equilateral Triangle

Length = n
Perimeter 194616063
Area 1.8222816084122E+15
Altitude 56180818.180838

Triangular Pyramid

Length = n
Surface area 1.8222816084122E+15
Volume 3.2174072475604E+22
Height 30580963.972251