87989968 (number)

87989968 is an even 8-digits composite number following 87989967 and preceding 87989969. In scientific notation, it is written as 8.7989968 × 10^7. The sum of its digits is 64. It has a total of 6 prime factors and 20 positive divisors. There are 39995360 positive integers (up to 87989968) that are relatively prime to 87989968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7989968 × 10^7
Engineering notation 8.7989968 × 10^6

Prime Factorization of 87989968

Prime Factorization 2 × 2 × 2 × 2 × 11 × 499943

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10998746
Product of the distinct prime numbers

The prime factorization of 87989968 is 2 × 2 × 2 × 2 × 11 × 499943. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 8, 84, 36, 276, 816, 6067, 585, 88922, 32215, 840861, 371259, 6791352, 382190, 84942316, 25630410, 557845829, 292345691, 5531099510, 8737982472

Basic calculations (n = 87989968)

Multiplication

n×y
n×2 175979936
n×3 263969904
n×4 351959872
n×5 439949840

Division

n÷y
n÷2 43994984
n÷3 29329989.333333
n÷3 21997492
n÷5 17597993.6

Exponentiation

ny
n2 7742234468641024
n3 6.8123896314422E+23
n4 5.9942194567413E+31
n5 5.2743117818365E+39

Nth Root

y√n
2√n 9380.2967970102
3√n 444.77911522285
4√n 96.851932334932
5√n 38.804905660608

Divisors of 87989968

1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 499943, 999886, 1999772, 3999544, 5499373, 7999088, 10998746, 21997492, 43994984, 87989968

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 -87989967
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 87989968 can be divided by 20 positive divisors. The sum of these divisors (counting 87989968) is 1, the average is 0.05.

Base conversion 87989968

Base System Value
2 Binary 101001111101001111011010000
3 Ternary 20010120100112201
4 Quaternary 11033221323100
5 Quinary 140011134333
6 Senary 12421532544
8 Octal 517517320
10 Decimal 87989968
12 Duodecimal 25574154
16 Hexadecimal 53e9ed0
20 Vigesimal 179iei8
36 Base36 1gdxhs

Cryptographic Hash Functions

md5 b14f051fe24703f1e562abdbbf988f3a
sha1 297dd50dd2d8d8a91be7d56352972a82cdd50604
sha256 7741c3fb62ea9a325da398d527a7c3e4ee17633bcaf29bcab47fa2af23d84c82
sha512 7bc22977c10a9b0e680bef9b662f5cd29f74d5995e3795542b108d12ec9b1ed99d1823b696125557d4e072b015884a92eb5ffb2522b04a9e0e285f43b344c70a
ripemd-160 7a4b4846475e34b5d7b22d91aa50a229d5889406

87989968 as geometric shapes

Circle

Radius = n
Diameter 175979936
Circumference 552857274.1168
Area 2.4322946929052E+16

Sphere

Radius = n
Volume 2.8535670959373E+24
Surface area 9.7291787716209E+16
Circumference 552857274.1168

Square

Length = n
Perimeter 351959872
Area 7742234468641024
Diagonal 124436606.09837

Cube

Length = n
Surface area 46453406811846144
Volume 6.8123896314422E+23
Space diagonal 152403095.13236

Equilateral Triangle

Length = n
Perimeter 263969904
Area 3.3524858659493E+15
Altitude 76201547.56618

Triangular Pyramid

Length = n
Surface area 3.3524858659493E+15
Volume 8.0284781741295E+22
Height 41478868.699458