87661640 (number)

87661640 is an even 8-digits composite number following 87661639 and preceding 87661641. In scientific notation, it is written as 8.7661640 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 64 positive divisors. There are 31659520 positive integers (up to 87661640) that are relatively prime to 87661640.

Interesting facts

Basic properties

Name

Name eighty-seven million six hundred sixty-one thousand six hundred forty

Notation

Scientific notation 8.7661640 × 10^7
Engineering notation 8.7661640 × 10^6

Prime Factorization of 87661640

Prime Factorization 2 × 2 × 2 × 5 × 11 × 167 × 1193

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 21915410
Product of the distinct prime numbers

The prime factorization of 87661640 is 2 × 2 × 2 × 5 × 11 × 167 × 1193. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 8, 80, 77, 628, 934, 124, 9435, 54195, 44056, 909668, 724987, 5168636, 2895148, 85153329, 88298345, 740576832, 494773484, 3205816788, 6046792277

Basic calculations (n = 87661640)

Multiplication

n×y
n×2 175323280
n×3 262984920
n×4 350646560
n×5 438308200

Division

n÷y
n÷2 43830820
n÷3 29220546.666667
n÷3 21915410
n÷5 17532328

Exponentiation

ny
n2 7684563127489600
n3 6.7364140643927E+23
n4 5.9052510460373E+31
n5 5.1766399130734E+39

Nth Root

y√n
2√n 9362.779501836
3√n 444.22520566638
4√n 96.761456695504
5√n 38.775902817474

Divisors of 87661640

1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 440, 668, 835, 1193, 1336, 1670, 1837, 2386, 3340, 3674, 4772, 5965, 6680, 7348, 9185, 9544, 11930, 13123, 14696, 18370, 23860, 26246, 36740, 47720, 52492, 65615, 73480, 104984, 131230, 199231, 262460, 398462, 524920, 796924, 996155, 1593848, 1992310, 2191541, 3984620, 4383082, 7969240, 8766164, 10957705, 17532328, 21915410, 43830820, 87661640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87661639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87661640 can be divided by 64 positive divisors. The sum of these divisors (counting 87661640) is 1, the average is 0.015625.

Base conversion 87661640

Base System Value
2 Binary 101001110011001110001001000
3 Ternary 20002221200011102
4 Quaternary 11032121301020
5 Quinary 134420133030
6 Senary 12410520532
8 Octal 516316110
10 Decimal 87661640
12 Duodecimal 25436148
16 Hexadecimal 5399c48
20 Vigesimal 177he20
36 Base36 1g6w5k

Cryptographic Hash Functions

md5 44ac97a965320b1d4198cbeb9db2d84f
sha1 9ea2528e8a65754ab38e0d9c491fbabf57ba7e63
sha256 efbb666d69f80aee570071109085295075d74acb1c8dd846cac281b20af5bfb5
sha512 3518e29fa36748d3d5c3b3cc3fc72f7482d6e66bf739aaad63c68a155e6f93d02a05e040f36a7a209df58813999bc79d55cb7d350b664821222d998aa0144ff5
ripemd-160 443f0c8c8dbf176acb43d4263cb2cdd0a2e97ce8

87661640 as geometric shapes

Circle

Radius = n
Diameter 175323280
Circumference 550794328.45127
Area 2.4141767067368E+16

Sphere

Radius = n
Volume 2.8217425248313E+24
Surface area 9.6567068269473E+16
Circumference 550794328.45127

Square

Length = n
Perimeter 350646560
Area 7684563127489600
Diagonal 123972280.18787

Cube

Length = n
Surface area 46107378764937600
Volume 6.7364140643927E+23
Space diagonal 151834414.35481

Equilateral Triangle

Length = n
Perimeter 262984920
Area 3.3275134426956E+15
Altitude 75917207.177406

Triangular Pyramid

Length = n
Surface area 3.3275134426956E+15
Volume 7.9389401096875E+22
Height 41324093.395956