61639980 (number)

61639980 is an even 8-digits composite number following 61639979 and preceding 61639981. In scientific notation, it is written as 6.1639980 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 16403968 positive integers (up to 61639980) that are relatively prime to 61639980.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred thirty-nine thousand nine hundred eighty

Notation

Scientific notation 6.1639980 × 10^7
Engineering notation 6.1639980 × 10^6

Prime Factorization of 61639980

Prime Factorization 2 × 2 × 15 × 797 × 1289

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 30819990
Product of the distinct prime numbers

The prime factorization of 61639980 is 2 × 2 × 15 × 797 × 1289. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 27, 100, 902, 361, 4147, 66, 93734, 68455, 991358, 612426, 6097006, 1387078, 93517793, 45438250, 26442598, 378087444, 6441230562, 522273158

Basic calculations (n = 61639980)

Multiplication

n×y
n×2 123279960
n×3 184919940
n×4 246559920
n×5 308199900

Division

n÷y
n÷2 30819990
n÷3 20546660
n÷3 15409995
n÷5 12327996

Exponentiation

ny
n2 3799487134400400
n3 2.342003109747E+23
n4 1.4436102484474E+31
n5 8.8984106842094E+38

Nth Root

y√n
2√n 7851.1132968516
3√n 395.02158724087
4√n 88.60650820821
5√n 36.138697668917

Divisors of 61639980

1, 2, 4, 15, 30, 60, 797, 1289, 1594, 2578, 3188, 5156, 11955, 19335, 23910, 38670, 47820, 77340, 1027333, 2054666, 4109332, 15409995, 30819990, 61639980

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 -61639979
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 61639980 can be divided by 24 positive divisors. The sum of these divisors (counting 61639980) is 1, the average is 0.041666666666667.

Base conversion 61639980

Base System Value
2 Binary 11101011001000110100101100
3 Ternary 11021222122011020
4 Quaternary 3223020310230
5 Quinary 111234434410
6 Senary 10041054140
8 Octal 353106454
10 Decimal 61639980
12 Duodecimal 18787350
16 Hexadecimal 3ac8d2c
20 Vigesimal j54jj0
36 Base36 10p5po

Cryptographic Hash Functions

md5 e4d0b51986e9f6c9635dc1eb6f71d04a
sha1 022ba22efba7ea443f3a88fab8610a06fd237278
sha256 97643928d5589358e9cb0678f7fd9a17076c012535dee2464a927e228ca3fba7
sha512 f5fb84185a53969cb3998b90fd7396d76e40eaec0f9a15b7586996a8ce2ee64becdbddebc3cd0fb0281d311001d2444559bdf4cb178cd38149028d4280f43c49
ripemd-160 b08788695e7006bb179fbdbbac38a75afb6900cd

61639980 as geometric shapes

Circle

Radius = n
Diameter 123279960
Circumference 387295416.67084
Area 1.1936440868841E+16

Sphere

Radius = n
Volume 9.8101596856874E+23
Surface area 4.7745763475365E+16
Circumference 387295416.67084

Square

Length = n
Perimeter 246559920
Area 3799487134400400
Diagonal 87172095.700406

Cube

Length = n
Surface area 22796922806402400
Volume 2.342003109747E+23
Space diagonal 106763577.13753

Equilateral Triangle

Length = n
Perimeter 184919940
Area 1.6452261898714E+15
Altitude 53381788.568765

Triangular Pyramid

Length = n
Surface area 1.6452261898714E+15
Volume 2.7600771341035E+22
Height 29057365.233469