61907981 (number)

61907981 is an odd 8-digits prime number following 61907980 and preceding 61907982. In scientific notation, it is written as 6.1907981 × 10^7. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 61907980 positive integers (up to 61907981) that are relatively prime to 61907981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1907981 × 10^7
Engineering notation 6.1907981 × 10^6

Prime Factorization of 61907981

Prime Factorization 61907981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 61907981
Product of the distinct prime numbers

The prime factorization of 61907981 is 61907981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61907981)

Multiplication

n×y
n×2 123815962
n×3 185723943
n×4 247631924
n×5 309539905

Division

n÷y
n÷2 30953990.5
n÷3 20635993.666667
n÷3 15476995.25
n÷5 12381596.2

Exponentiation

ny
n2 3832598111496361
n3 2.3726841106715E+23
n4 1.4688808284245E+31
n5 9.0935446417371E+38

Nth Root

y√n
2√n 7868.1624919672
3√n 395.59325690541
4√n 88.702663387112
5√n 36.170068240467

Divisors of 61907981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 61907982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 30953991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 7868.1625555145
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999967694
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61907981 can be divided by 2 positive divisors. The sum of these divisors (counting 61907981) is 61907982, the average is 30953991.

Base conversion 61907981

Base System Value
2 Binary 11101100001010010000001101
3 Ternary 11022111020210012
4 Quaternary 3230022100031
5 Quinary 111322023411
6 Senary 10050523005
8 Octal 354122015
10 Decimal 61907981
12 Duodecimal 18896465
16 Hexadecimal 3b0a40d
20 Vigesimal j6i9j1
36 Base36 10uwi5

Cryptographic Hash Functions

md5 912ed04709ca95478b3cc6b5364c0bc1
sha1 16e78f42c2cfcdf9a325367e7dba4d7d5c8d9c34
sha256 a639b67d20e26e6dd8f28bbb276e9c94e622665f611115e2c581e3ccd880f939
sha512 9bc9104c2cf30892d950178ec6c55a78f5513e6a80a3fd9d8921ef06a9fab6a6359c255c63f1625f79f00b1efa4fc34ef19eb57d78212acdb91887dd5c389f04
ripemd-160 9d4a821cef7eab0c2133f031a11d2402c7402bf5

61907981 as geometric shapes

Circle

Radius = n
Diameter 123815962
Circumference 388979316.61635
Area 1.2040462071239E+16

Sphere

Radius = n
Volume 9.9386759618332E+23
Surface area 4.8161848284956E+16
Circumference 388979316.61635

Square

Length = n
Perimeter 247631924
Area 3832598111496361
Diagonal 87551106.349336

Cube

Length = n
Surface area 22995588668978166
Volume 2.3726841106715E+23
Space diagonal 107227768.48601

Equilateral Triangle

Length = n
Perimeter 185723943
Area 1.6595636635261E+15
Altitude 53613884.243004

Triangular Pyramid

Length = n
Surface area 1.6595636635261E+15
Volume 2.796235040449E+22
Height 29183702.116445