61989968 (number)

61989968 is an even 8-digits composite number following 61989967 and preceding 61989969. In scientific notation, it is written as 6.1989968 × 10^7. The sum of its digits is 56. It has a total of 6 prime factors and 20 positive divisors. There are 29647200 positive integers (up to 61989968) that are relatively prime to 61989968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1989968 × 10^7
Engineering notation 6.1989968 × 10^6

Prime Factorization of 61989968

Prime Factorization 2 × 2 × 2 × 2 × 23 × 168451

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7748746
Product of the distinct prime numbers

The prime factorization of 61989968 is 2 × 2 × 2 × 2 × 23 × 168451. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 3, 65, 43, 596, 685, 7464, 3463, 44110, 11107, 381956, 444969, 3804570, 1903867, 38284224, 50437596, 192962590, 304745519, 4456703117, 4253828571

Basic calculations (n = 61989968)

Multiplication

n×y
n×2 123979936
n×3 185969904
n×4 247959872
n×5 309949840

Division

n÷y
n÷2 30994984
n÷3 20663322.666667
n÷3 15497492
n÷5 12397993.6

Exponentiation

ny
n2 3842756132641024
n3 2.3821232969422E+23
n4 1.476677469495E+31
n5 9.1539189080317E+38

Nth Root

y√n
2√n 7873.3708156037
3√n 395.76781273666
4√n 88.732016857523
5√n 36.179643437943

Divisors of 61989968

1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 168451, 336902, 673804, 1347608, 2695216, 3874373, 7748746, 15497492, 30994984, 61989968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61989967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61989968 can be divided by 20 positive divisors. The sum of these divisors (counting 61989968) is 1, the average is 0.05.

Base conversion 61989968

Base System Value
2 Binary 11101100011110010001010000
3 Ternary 11022122102020202
4 Quaternary 3230132101100
5 Quinary 111332134333
6 Senary 10052354332
8 Octal 354362120
10 Decimal 61989968
12 Duodecimal 189159a8
16 Hexadecimal 3b1e450
20 Vigesimal j78ei8
36 Base36 10wnrk

Cryptographic Hash Functions

md5 e21162dea8284637453757128d1d90bb
sha1 b457adb462a672c86cad3011407ba6fde3f274d7
sha256 32a70efdfa428c70a5aa9ce782de958742b4f3a36ea1ce47888b5b797d3c0e30
sha512 be6f08b4e04f37ac75986ca018336dcc964b3beefb7de49d606b64f57959b0d0a110578d68ca531e6989254cf0e6cf3db06d46b976f42e5cba8868ce975662f7
ripemd-160 1b4cc1ac070616af1442206616d582997c674b4c

61989968 as geometric shapes

Circle

Radius = n
Diameter 123979936
Circumference 389494456.13013
Area 1.2072374435842E+16

Sphere

Radius = n
Volume 9.978214732825E+23
Surface area 4.8289497743369E+16
Circumference 389494456.13013

Square

Length = n
Perimeter 247959872
Area 3842756132641024
Diagonal 87667053.476674

Cube

Length = n
Surface area 23056536795846144
Volume 2.3821232969422E+23
Space diagonal 107369774.13557

Equilateral Triangle

Length = n
Perimeter 185969904
Area 1.6639622157078E+15
Altitude 53684887.067784

Triangular Pyramid

Length = n
Surface area 1.6639622157078E+15
Volume 2.8073592281505E+22
Height 29222351.158891