64221491 (number)

64221491 is an odd 8-digits composite number following 64221490 and preceding 64221492. In scientific notation, it is written as 6.4221491 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 62149800 positive integers (up to 64221491) that are relatively prime to 64221491.

Interesting facts

Basic properties

Name

Name sixty-four million two hundred twenty-one thousand four hundred ninety-one

Notation

Scientific notation 6.4221491 × 10^7
Engineering notation 6.4221491 × 10^6

Prime Factorization of 64221491

Prime Factorization 31 × 2071661

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 64221491
Product of the distinct prime numbers

The prime factorization of 64221491 is 31 × 2071661. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64221491)

Multiplication

n×y
n×2 128442982
n×3 192664473
n×4 256885964
n×5 321107455

Division

n÷y
n÷2 32110745.5
n÷3 21407163.666667
n÷3 16055372.75
n÷5 12844298.2

Exponentiation

ny
n2 4124399906263081
n3 2.6487511146048E+23
n4 1.7010674586783E+31
n5 1.092450884879E+39

Nth Root

y√n
2√n 8013.8312310655
3√n 400.46090828822
4√n 89.520004641786
5√n 36.436451656238

Divisors of 64221491

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 -64221490
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 64221491 can be divided by 4 positive divisors. The sum of these divisors (counting 64221491) is 1, the average is 0.25.

Base conversion 64221491

Base System Value
2 Binary 11110100111111000100110011
3 Ternary 11110211210022202
4 Quaternary 3310333010303
5 Quinary 112420041431
6 Senary 10212253415
8 Octal 364770463
10 Decimal 64221491
12 Duodecimal 1961126b
16 Hexadecimal 3d3f133
20 Vigesimal 1017deb
36 Base36 128hmb

Cryptographic Hash Functions

md5 219cbc7aa5c525afe0f5547dffacdcb1
sha1 42fe5e657f98ccacbc7effe843ba675146a5ea55
sha256 e1b85d96a1018e9629d71ac00d7bea176da699bd07809a0f9a33c2836e0ea517
sha512 f3e61011327ad182eba1c4dcc314e2730548c6f79b2a828869062f2ef8e92dfdf08ac8f0bdbd132d4cad40f71e1eee0cbeff481e4b80065c1bd87a70d076053f
ripemd-160 7f723662937a60f5bb5684264d64c5a8f405377c

64221491 as geometric shapes

Circle

Radius = n
Diameter 128442982
Circumference 403515528.65637
Area 1.2957184445983E+16

Sphere

Radius = n
Volume 1.1095062723773E+24
Surface area 5.182873778393E+16
Circumference 403515528.65637

Square

Length = n
Perimeter 256885964
Area 4124399906263081
Diagonal 90822903.568022

Cube

Length = n
Surface area 24746399437578486
Volume 2.6487511146048E+23
Space diagonal 111234885.34983

Equilateral Triangle

Length = n
Perimeter 192664473
Area 1.785917547095E+15
Altitude 55617442.674914

Triangular Pyramid

Length = n
Surface area 1.785917547095E+15
Volume 3.1215831246874E+22
Height 30274301.189341