61661421 (number)

61661421 is an odd 8-digits composite number following 61661420 and preceding 61661422. In scientific notation, it is written as 6.1661421 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 40170816 positive integers (up to 61661421) that are relatively prime to 61661421.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation 6.1661421 × 10^7
Engineering notation 6.1661421 × 10^6

Prime Factorization of 61661421

Prime Factorization 3 × 3 × 127 × 73 × 739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20553807
Product of the distinct prime numbers

The prime factorization of 61661421 is 3 × 3 × 127 × 73 × 739. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 75, 70, 846, 192, 4435, 899, 29925, 55110, 146162, 232249, 1625118, 5428078, 75931837, 13519636, 193601997, 801637877, 7537757919, 7581239367

Basic calculations (n = 61661421)

Multiplication

n×y
n×2 123322842
n×3 184984263
n×4 246645684
n×5 308307105

Division

n÷y
n÷2 30830710.5
n÷3 20553807
n÷3 15415355.25
n÷5 12332284.2

Exponentiation

ny
n2 3802130839739241
n3 2.3444479040624E+23
n4 1.4456198922496E+31
n5 8.9138976781979E+38

Nth Root

y√n
2√n 7852.4786532661
3√n 395.06738368665
4√n 88.614212478959
5√n 36.141211433617

Divisors of 61661421

1, 3, 9, 73, 127, 219, 381, 657, 739, 1143, 2217, 6651, 9271, 27813, 53947, 83439, 93853, 161841, 281559, 485523, 844677, 6851269, 20553807, 61661421

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 -61661420
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 61661421 can be divided by 24 positive divisors. The sum of these divisors (counting 61661421) is 1, the average is 0.041666666666667.

Base conversion 61661421

Base System Value
2 Binary 11101011001110000011101101
3 Ternary 11022000201120100
4 Quaternary 3223032003231
5 Quinary 111241131141
6 Senary 10041341313
8 Octal 353160355
10 Decimal 61661421
12 Duodecimal 18797839
16 Hexadecimal 3ace0ed
20 Vigesimal j57db1
36 Base36 10pm99

Cryptographic Hash Functions

md5 8a64ff1c30feab8b7166bd38e13b32a9
sha1 cea8266254f283a9e59fd2931997b7f81926fcf5
sha256 ebc1fc9742d404f65d379aff35a1d49c1184a528813c8409d61192dfa14457bc
sha512 4cd83095f6217e93fa4c9fe8b538b061cc5c2a33ce29719a5f7c4caa5e3754f5eda0522355d27b52c7b14b6589ca11877c69e056b0f8e35bd02008a3c4588a7f
ripemd-160 7853392ff850ea425e5c6bf278e74454be9c876d

61661421 as geometric shapes

Circle

Radius = n
Diameter 123322842
Circumference 387430134.44701
Area 1.1944746314112E+16

Sphere

Radius = n
Volume 9.8204004161688E+23
Surface area 4.7778985256448E+16
Circumference 387430134.44701

Square

Length = n
Perimeter 246645684
Area 3802130839739241
Diagonal 87202417.853397

Cube

Length = n
Surface area 22812785038435446
Volume 2.3444479040624E+23
Space diagonal 106800714.03889

Equilateral Triangle

Length = n
Perimeter 184984263
Area 1.6463709478632E+15
Altitude 53400357.019447

Triangular Pyramid

Length = n
Surface area 1.6463709478632E+15
Volume 2.7629583518352E+22
Height 29067472.617799