721645138 (number)

721645138 is an even 9-digits composite number following 721645137 and preceding 721645139. In scientific notation, it is written as 7.21645138 × 10^8. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 333176064 positive integers (up to 721645138) that are relatively prime to 721645138.

Interesting facts

Basic properties

Name

Name seven hundred twenty-one million six hundred forty-five thousand one hundred thirty-eight

Notation

Scientific notation 7.21645138 × 10^8
Engineering notation 7.21645138 × 10^6

Prime Factorization of 721645138

Prime Factorization 2 × 17 × 53 × 17 × 23557

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 42449714
Product of the distinct prime numbers

The prime factorization of 721645138 is 2 × 17 × 53 × 17 × 23557. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 9, 38, 94, 97, 110, 4193, 1258, 89765, 2188, 809357, 19070, 5750010, 4877221, 88874856, 12691717, 196021818, 403598911, 3085180526, 1604685347

Basic calculations (n = 721645138)

Multiplication

n×y
n×2 1443290276
n×3 2164935414
n×4 2886580552
n×5 3608225690

Division

n÷y
n÷2 360822569
n÷3 240548379.33333
n÷3 180411284.5
n÷5 144329027.6

Exponentiation

ny
n2 520771705199039044
n3 3.7581236906486E+26
n4 2.7120316893591E+35
n5 1.957124482728E+44

Nth Root

y√n
2√n 26863.453575443
3√n 896.96307164114
4√n 163.90074305946
5√n 59.11051429749

Divisors of 721645138

1, 2, 17, 34, 53, 106, 289, 578, 901, 1802, 15317, 23557, 30634, 47114, 400469, 800938, 1248521, 2497042, 6807973, 13615946, 21224857, 42449714, 360822569, 721645138

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -721645137
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 721645138 can be divided by 24 positive divisors. The sum of these divisors (counting 721645138) is 1, the average is 0.041666666666667.

Base conversion 721645138

Base System Value
2 Binary 101011000000110110111001010010
3 Ternary 1212021220101000201
4 Quaternary 223000312321102
5 Quinary 2434220121023
6 Senary 155335205414
8 Octal 5300667122
10 Decimal 721645138
12 Duodecimal 18181686a
16 Hexadecimal 2b036e52
20 Vigesimal b5a5cgi
36 Base36 bxncya

Cryptographic Hash Functions

md5 6c417f9f5ad68bd38b275895666dd76b
sha1 6351fe0f717c3f4cc1d68e2c7150e143e31879b6
sha256 60d5ac575ee4dcbde4e84ca7c9611c62b11d0bd4148752134dc97571f91583a8
sha512 116132d4198b4266c7ea23037472a18f1596c451a3d3ff0192248998835c89d2132c430c5e617d005273884c1590f7ce82a77d757a4a5b359050d2d118e4b9d3
ripemd-160 62812af1bfd48699d378357f2b4f19b2d4620203

721645138 as geometric shapes

Circle

Radius = n
Diameter 1443290276
Circumference 4534230128.0792
Area 1.6360525632507E+18

Sphere

Radius = n
Volume 1.5741991703764E+27
Surface area 6.5442102530029E+18
Circumference 4534230128.0792

Square

Length = n
Perimeter 2886580552
Area 520771705199039044
Diagonal 1020560341.3802

Cube

Length = n
Surface area 3124630231194234264
Volume 3.7581236906486E+26
Space diagonal 1249926044.0511

Equilateral Triangle

Length = n
Perimeter 2164935414
Area 2.2550076313725E+17
Altitude 624963022.02553

Triangular Pyramid

Length = n
Surface area 2.2550076313725E+17
Volume 4.428991243659E+25
Height 340186780.46007