61505981 (number)

61505981 is an odd 8-digits prime number following 61505980 and preceding 61505982. In scientific notation, it is written as 6.1505981 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 61505980 positive integers (up to 61505981) that are relatively prime to 61505981.

Interesting facts

Basic properties

Name

Name sixty-one million five hundred five thousand nine hundred eighty-one

Notation

Scientific notation 6.1505981 × 10^7
Engineering notation 6.1505981 × 10^6

Prime Factorization of 61505981

Prime Factorization 61505981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 61505981
Product of the distinct prime numbers

The prime factorization of 61505981 is 61505981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61505981)

Multiplication

n×y
n×2 123011962
n×3 184517943
n×4 246023924
n×5 307529905

Division

n÷y
n÷2 30752990.5
n÷3 20501993.666667
n÷3 15376495.25
n÷5 12301196.2

Exponentiation

ny
n2 3782985698772361
n3 2.3267624651196E+23
n4 1.4310980797116E+31
n5 8.8021091299879E+38

Nth Root

y√n
2√n 7842.5748960402
3√n 394.73513408353
4√n 88.558313534305
5√n 36.122971623152

Divisors of 61505981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 61505982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 30752991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 7842.5749597948
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999674828
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61505981 can be divided by 2 positive divisors. The sum of these divisors (counting 61505981) is 61505982, the average is 30752991.

Base conversion 61505981

Base System Value
2 Binary 11101010101000000110111101
3 Ternary 11021201211100022
4 Quaternary 3222220012331
5 Quinary 111221142411
6 Senary 10034141525
8 Octal 352500675
10 Decimal 61505981
12 Duodecimal 187218a5
16 Hexadecimal 3aa81bd
20 Vigesimal j484j1
36 Base36 10mabh

Cryptographic Hash Functions

md5 23e407b7e4ed4575918957db08b20164
sha1 b87e07b126a61f5d650299d940b2874487584507
sha256 5b5a821551a399a28194f6ab1f8c86ea00b7c551e01d8eabae038ce67e698590
sha512 cf34c5b3fdac9d00774856783248fe3b1e17d10cc85b2719d632f35f5e3f5c910a19b7ab14cd1ff8a50213a483aa43d4b3e8b842369f1b648292345bf1951065
ripemd-160 47432c9d95e823b1f47b70085cfcc5d91d506cfe

61505981 as geometric shapes

Circle

Radius = n
Diameter 123011962
Circumference 386453476.12287
Area 1.1884600079898E+16

Sphere

Radius = n
Volume 9.7463198227578E+23
Surface area 4.7538400319594E+16
Circumference 386453476.12287

Square

Length = n
Perimeter 246023924
Area 3782985698772361
Diagonal 86982592.497262

Cube

Length = n
Surface area 22697914192634166
Volume 2.3267624651196E+23
Space diagonal 106531484.06137

Equilateral Triangle

Length = n
Perimeter 184517943
Area 1.638080858645E+15
Altitude 53265742.030683

Triangular Pyramid

Length = n
Surface area 1.638080858645E+15
Volume 2.7421158621607E+22
Height 28994197.499087