64943721 (number)

64943721 is an odd 8-digits composite number following 64943720 and preceding 64943722. In scientific notation, it is written as 6.4943721 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 43235280 positive integers (up to 64943721) that are relatively prime to 64943721.

Interesting facts

Basic properties

Name

Name sixty-four million nine hundred forty-three thousand seven hundred twenty-one

Notation

Scientific notation 6.4943721 × 10^7
Engineering notation 6.4943721 × 10^6

Prime Factorization of 64943721

Prime Factorization 27 × 2333 × 1031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64943721
Product of the distinct prime numbers

The prime factorization of 64943721 is 27 × 2333 × 1031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64943721)

Multiplication

n×y
n×2 129887442
n×3 194831163
n×4 259774884
n×5 324718605

Division

n÷y
n÷2 32471860.5
n÷3 21647907
n÷3 16235930.25
n÷5 12988744.2

Exponentiation

ny
n2 4217686897325841
n3 2.7391228112529E+23
n4 1.7788882763874E+31
n5 1.1552762391187E+39

Nth Root

y√n
2√n 8058.7667170604
3√n 401.95650008258
4√n 89.770633934825
5√n 36.518037784975

Divisors of 64943721

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 -64943720
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 64943721 can be divided by 8 positive divisors. The sum of these divisors (counting 64943721) is 1, the average is 0.125.

Base conversion 64943721

Base System Value
2 Binary 11110111101111011001101001
3 Ternary 11112012111001000
4 Quaternary 3313233121221
5 Quinary 113111144341
6 Senary 10235545213
8 Octal 367573151
10 Decimal 64943721
12 Duodecimal 198bb209
16 Hexadecimal 3def669
20 Vigesimal 105hj61
36 Base36 12nyw9

Cryptographic Hash Functions

md5 ced59c9c5819052dbb5d4781a857e517
sha1 35ce391a779553fc5d4de0999873792113c3a02c
sha256 42abb1cda5caef6816dc230c3a5c7ab3e76f50785a6103abe26e6a2f9820c076
sha512 8c6d20cae84285081d04422ca2cb54f2c730c2718f948e37921deeec3e939f68c8763c1453a8a5a7d392d28e0d6b6b43eef63697f19fd1e96f515a30130fe044
ripemd-160 d6c35369b792de84caaf497356901dd11600d56d

64943721 as geometric shapes

Circle

Radius = n
Diameter 129887442
Circumference 408053433.58077
Area 1.3250254171781E+16

Sphere

Radius = n
Volume 1.1473610801483E+24
Surface area 5.3001016687123E+16
Circumference 408053433.58077

Square

Length = n
Perimeter 259774884
Area 4217686897325841
Diagonal 91844291.029174

Cube

Length = n
Surface area 25306121383955046
Volume 2.7391228112529E+23
Space diagonal 112485824.40458

Equilateral Triangle

Length = n
Perimeter 194831163
Area 1.8263119991465E+15
Altitude 56242912.202289

Triangular Pyramid

Length = n
Surface area 1.8263119991465E+15
Volume 3.2280871905661E+22
Height 30614763.676391