61663721 (number)

61663721 is an odd 8-digits composite number following 61663720 and preceding 61663722. In scientific notation, it is written as 6.1663721 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 49921920 positive integers (up to 61663721) that are relatively prime to 61663721.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred sixty-three thousand seven hundred twenty-one

Notation

Scientific notation 6.1663721 × 10^7
Engineering notation 6.1663721 × 10^6

Prime Factorization of 61663721

Prime Factorization 7 × 19 × 541 × 857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 61663721
Product of the distinct prime numbers

The prime factorization of 61663721 is 7 × 19 × 541 × 857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 21, 63, 993, 282, 5415, 4671, 59900, 99342, 7285, 965650, 7223651, 2830910, 92832842, 17639412, 653450321, 312687584, 1946003741, 5042096460

Basic calculations (n = 61663721)

Multiplication

n×y
n×2 123327442
n×3 184991163
n×4 246654884
n×5 308318605

Division

n÷y
n÷2 30831860.5
n÷3 20554573.666667
n÷3 15415930.25
n÷5 12332744.2

Exponentiation

ny
n2 3802414487565841
n3 2.3447102608762E+23
n4 1.4458355935251E+31
n5 8.9155602650999E+38

Nth Root

y√n
2√n 7852.6251024737
3√n 395.07229569198
4√n 88.61503880535
5√n 36.14148104643

Divisors of 61663721

1, 7, 19, 133, 541, 857, 3787, 5999, 10279, 16283, 71953, 113981, 463637, 3245459, 8809103, 61663721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61663720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61663721 can be divided by 16 positive divisors. The sum of these divisors (counting 61663721) is 1, the average is 0.0625.

Base conversion 61663721

Base System Value
2 Binary 11101011001110100111101001
3 Ternary 11022000211201112
4 Quaternary 3223032213221
5 Quinary 111241214341
6 Senary 10041400105
8 Octal 353164751
10 Decimal 61663721
12 Duodecimal 18799035
16 Hexadecimal 3ace9e9
20 Vigesimal j57j61
36 Base36 10po15

Cryptographic Hash Functions

md5 13d3148775983479603cf616c83abde8
sha1 259c4d344a49889858decb3d44f2ffe2f7a57e52
sha256 ff31d834370ec8a128618151876aee48a5655e49d7b01caf86e2b9b4c3d11358
sha512 89bce6c6029d4fdccd3fbda520bbcb7d85cae8984255a317121e22e59e56f940a58ac32f6d22c6baadd1717d02f9bbd9e7fecd4ff1e27f6a3921dbc29b4706cf
ripemd-160 e45fb5b9d7aeea57a14afb5af49875f2173ffa76

61663721 as geometric shapes

Circle

Radius = n
Diameter 123327442
Circumference 387444585.77322
Area 1.194563742004E+16

Sphere

Radius = n
Volume 9.8214993738203E+23
Surface area 4.7782549680161E+16
Circumference 387444585.77322

Square

Length = n
Perimeter 246654884
Area 3802414487565841
Diagonal 87205670.544591

Cube

Length = n
Surface area 22814486925395046
Volume 2.3447102608762E+23
Space diagonal 106804697.75575

Equilateral Triangle

Length = n
Perimeter 184991163
Area 1.646493770975E+15
Altitude 53402348.877876

Triangular Pyramid

Length = n
Surface area 1.646493770975E+15
Volume 2.7632675423054E+22
Height 29068556.848197