61891661 (number)

61891661 is an odd 8-digits composite number following 61891660 and preceding 61891662. In scientific notation, it is written as 6.1891661 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 57058560 positive integers (up to 61891661) that are relatively prime to 61891661.

Interesting facts

Basic properties

Name

Name sixty-one million eight hundred ninety-one thousand six hundred sixty-one

Notation

Scientific notation 6.1891661 × 10^7
Engineering notation 6.1891661 × 10^6

Prime Factorization of 61891661

Prime Factorization 13 × 937 × 5081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61891661
Product of the distinct prime numbers

The prime factorization of 61891661 is 13 × 937 × 5081. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 15, 49, 468, 930, 1484, 979, 82121, 89779, 959971, 72389, 421075, 6985578, 66503774, 35642428, 341796383, 747777574, 3397557649, 7338555835

Basic calculations (n = 61891661)

Multiplication

n×y
n×2 123783322
n×3 185674983
n×4 247566644
n×5 309458305

Division

n÷y
n÷2 30945830.5
n÷3 20630553.666667
n÷3 15472915.25
n÷5 12378332.2

Exponentiation

ny
n2 3830577701338921
n3 2.3708081652543E+23
n4 1.4673325525995E+31
n5 9.0815648919753E+38

Nth Root

y√n
2√n 7867.1253326739
3√n 395.5584921398
4√n 88.696816925265
5√n 36.168161029931

Divisors of 61891661

1, 13, 937, 5081, 12181, 66053, 4760897, 61891661

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 -61891660
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 61891661 can be divided by 8 positive divisors. The sum of these divisors (counting 61891661) is 1, the average is 0.125.

Base conversion 61891661

Base System Value
2 Binary 11101100000110010001001101
3 Ternary 11022110102101202
4 Quaternary 3230012101031
5 Quinary 111321013121
6 Senary 10050315245
8 Octal 354062115
10 Decimal 61891661
12 Duodecimal 18888b25
16 Hexadecimal 3b0644d
20 Vigesimal j6g931
36 Base36 10ujwt

Cryptographic Hash Functions

md5 35fac803d3cc8d23558f9d12d7719dd5
sha1 c35b798e9165eed879d2707940ce5298329e0854
sha256 dce135147e02db04219d00888d5f02ac87de99f4c50bad3124e518945ff3deac
sha512 1736e68b85b1f3e5b7575077f1ec6b2cc76c763ff47d10511ac0f7c8d1b6e283b90674d108f950eae447e1e2c06e7cad28662dd5b48f294973ca7c25e4cf8b7a
ripemd-160 706fa8307a40d238f112ac6fbbbfd8b6a5404a2a

61891661 as geometric shapes

Circle

Radius = n
Diameter 123783322
Circumference 388876775.03214
Area 1.2034114765531E+16

Sphere

Radius = n
Volume 9.9308180200447E+23
Surface area 4.8136459062125E+16
Circumference 388876775.03214

Square

Length = n
Perimeter 247566644
Area 3830577701338921
Diagonal 87528026.383998

Cube

Length = n
Surface area 22983466208033526
Volume 2.3708081652543E+23
Space diagonal 107199501.41683

Equilateral Triangle

Length = n
Perimeter 185674983
Area 1.6586888002649E+15
Altitude 53599750.708415

Triangular Pyramid

Length = n
Surface area 1.6586888002649E+15
Volume 2.7940242175729E+22
Height 29176008.794666