87945428 (number)

87945428 is an even 8-digits composite number following 87945427 and preceding 87945429. In scientific notation, it is written as 8.7945428 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 43353240 positive integers (up to 87945428) that are relatively prime to 87945428.

Interesting facts

Basic properties

Name

Name eighty-seven million nine hundred forty-five thousand four hundred twenty-eight

Notation

Scientific notation 8.7945428 × 10^7
Engineering notation 8.7945428 × 10^6

Prime Factorization of 87945428

Prime Factorization 2 × 2 × 71 × 309667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 43972714
Product of the distinct prime numbers

The prime factorization of 87945428 is 2 × 2 × 71 × 309667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 67, 93, 116, 315, 109, 9510, 6435, 57924, 33213, 78535, 9093000, 563524, 8987630, 52556065, 801540643, 862847674, 2320251995, 6252496134

Basic calculations (n = 87945428)

Multiplication

n×y
n×2 175890856
n×3 263836284
n×4 351781712
n×5 439727140

Division

n÷y
n÷2 43972714
n÷3 29315142.666667
n÷3 21986357
n÷5 17589085.6

Exponentiation

ny
n2 7734398306103184
n3 6.8020496935272E+23
n4 5.9820917157452E+31
n5 5.2609761627646E+39

Nth Root

y√n
2√n 9377.9223711865
3√n 444.70405437281
4√n 96.83967353924
5√n 38.800976302295

Divisors of 87945428

1, 2, 4, 71, 142, 284, 309667, 619334, 1238668, 21986357, 43972714, 87945428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87945427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87945428 can be divided by 12 positive divisors. The sum of these divisors (counting 87945428) is 1, the average is 0.083333333333333.

Base conversion 87945428

Base System Value
2 Binary 101001111011111000011010100
3 Ternary 20010111002110002
4 Quaternary 11033133003110
5 Quinary 140003223203
6 Senary 12420550432
8 Octal 517370324
10 Decimal 87945428
12 Duodecimal 25552418
16 Hexadecimal 53df0d4
20 Vigesimal 179d3b8
36 Base36 1gcz4k

Cryptographic Hash Functions

md5 2fad82cfce66c92f2e090a1077175c28
sha1 631d0386b79e6083b2cce4dd33264e9245b8b948
sha256 2d69a86f11609044695112dbf48c20412960f8fb5b3655fd653f81d6b3bcf634
sha512 5d60646e329664368eb447ecdcf8c1d2f3ab947230a39583c17249e86ebc2a88e0e91e5e5b0cf75567bb5fba3520802a6ce5ad04aa8507352933d52b5403cf87
ripemd-160 8c2c1797780f8591bcebb2ed38a21bae3b30d390

87945428 as geometric shapes

Circle

Radius = n
Diameter 175890856
Circumference 552577421.04322
Area 2.4298328898391E+16

Sphere

Radius = n
Volume 2.8492359128717E+24
Surface area 9.7193315593564E+16
Circumference 552577421.04322

Square

Length = n
Perimeter 351781712
Area 7734398306103184
Diagonal 124373617.02631

Cube

Length = n
Surface area 46406389836619104
Volume 6.8020496935272E+23
Space diagonal 152325949.58939

Equilateral Triangle

Length = n
Perimeter 263836284
Area 3.3490927080363E+15
Altitude 76162974.794695

Triangular Pyramid

Length = n
Surface area 3.3490927080363E+15
Volume 8.0162924404349E+22
Height 41457872.342102