87129640 (number)

87129640 is an even 8-digits composite number following 87129639 and preceding 87129641. In scientific notation, it is written as 8.7129640 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors. There are 32168448 positive integers (up to 87129640) that are relatively prime to 87129640.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred twenty-nine thousand six hundred forty

Notation

Scientific notation 8.7129640 × 10^7
Engineering notation 8.7129640 × 10^6

Prime Factorization of 87129640

Prime Factorization 2 × 2 × 2 × 65 × 13 × 12889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21782410
Product of the distinct prime numbers

The prime factorization of 87129640 is 2 × 2 × 2 × 65 × 13 × 12889. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 9, 58, 33, 73, 472, 8927, 7357, 59943, 65493, 465739, 102223, 6277506, 9111875, 23625895, 21824245, 790902401, 913299010, 2957013040, 6044953684

Basic calculations (n = 87129640)

Multiplication

n×y
n×2 174259280
n×3 261388920
n×4 348518560
n×5 435648200

Division

n÷y
n÷2 43564820
n÷3 29043213.333333
n÷3 21782410
n÷5 17425928

Exponentiation

ny
n2 7591574166529600
n3 6.6145112416302E+23
n4 5.763199832592E+31
n5 5.021455266618E+39

Nth Root

y√n
2√n 9334.325899603
3√n 443.32474528122
4√n 96.614315189847
5√n 38.72872359494

Divisors of 87129640

1, 2, 4, 8, 13, 26, 52, 65, 104, 130, 260, 520, 845, 1690, 3380, 6760, 12889, 25778, 51556, 103112, 167557, 335114, 670228, 837785, 1340456, 1675570, 3351140, 6702280, 10891205, 21782410, 43564820, 87129640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87129639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87129640 can be divided by 32 positive divisors. The sum of these divisors (counting 87129640) is 1, the average is 0.03125.

Base conversion 87129640

Base System Value
2 Binary 101001100010111111000101000
3 Ternary 20001221122101201
4 Quaternary 11030113320220
5 Quinary 134301122030
6 Senary 12351253544
8 Octal 514277050
10 Decimal 87129640
12 Duodecimal 2521a2b4
16 Hexadecimal 5317e28
20 Vigesimal 174b420
36 Base36 1fvhns

Cryptographic Hash Functions

md5 b267f16cabec990f46e4884e79831636
sha1 d0b77ada2af1be5e7407fa272f8f488d331ab14e
sha256 f3f3b00162e0989bbbfc0e9699d4f0688c4991e8d765d207eb2d9636b5c71933
sha512 7963e1e2ac868c3fb9c7f0fa844515f63003bb62b5a52332f4c2cb00a85881d6006bbac5985cbe10aace45ee7d051053d95650f1c36e87206b498ad13d45830b
ripemd-160 8347358bf537954a1c6768333336e63015f790c4

87129640 as geometric shapes

Circle

Radius = n
Diameter 174259280
Circumference 547451673.86785
Area 2.3849633630751E+16

Sphere

Radius = n
Volume 2.770679989839E+24
Surface area 9.5398534523006E+16
Circumference 547451673.86785

Square

Length = n
Perimeter 348518560
Area 7591574166529600
Diagonal 123219918.57269

Cube

Length = n
Surface area 45549444999177600
Volume 6.6145112416302E+23
Space diagonal 150912963.32519

Equilateral Triangle

Length = n
Perimeter 261388920
Area 3.2872480414642E+15
Altitude 75456481.662593

Triangular Pyramid

Length = n
Surface area 3.2872480414642E+15
Volume 7.795276255319E+22
Height 41073306.190895