87081640 is an even 8-digits composite number following 87081639
and preceding 87081641 . In scientific notation, it is written as 8.7081640 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 32 positive divisors.
There are 34241344 positive integers (up to 87081640) that are relatively prime to 87081640.
87081640 has 32 divisors, whose sum is 199260000
The reverse of 87081640 is 04618078
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-seven million eighty-one thousand six hundred forty
Scientific notation
8.7081640 × 10^7
Engineering notation
8.7081640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 59 × 36899
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
21770410
Product of the distinct prime numbers
The prime factorization of 87081640 is 2 × 2 × 2 × 5 × 59 × 36899.
Since it has a total of 6 prime factors.
8 , 1 , 9 , 33 , 570 , 117 , 9784 , 3459 , 8875 , 32378 , 373114 , 598524 , 701290 , 3492216 , 3097883 , 62144568 , 578913172 , 177199641 , 4832194254 , 4027212387
n×2
174163280
n×3
261244920
n×4
348326560
n×5
435408200
n÷2
43540820
n÷3
29027213.333333
n÷3
21770410
n÷5
17416328
n2
7583212025089600
n3
6.6035853961252E+23
n4
5.7505104617464E+31
n5
5.0076388184603E+39
2 √n
9331.7543902527
3 √n
443.24332064916
4 √n
96.601006155488
5 √n
38.724455498538
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 59 , 118 , 236 , 295 , 472 , 590 , 1180 , 2360 , 36899 , 73798 , 147596 , 184495 , 295192 , 368990 , 737980 , 1475960 , 2177041 , 4354082 , 8708164 , 10885205 , 17416328 , 21770410 , 43540820 , 87081640
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
-87081639
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 87081640 can be divided by 32 positive divisors.
The sum of these divisors (counting 87081640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001100001100001010101000
3
Ternary
20001212012112221
4
Quaternary
11030030022220
5
Quinary
134243103030
6
Senary
12350243424
8
Octal
514141250
10
Decimal
87081640
12
Duodecimal
251b6574
16
Hexadecimal
530c2a8
20
Vigesimal
1745420
36
Base36
1fugmg
md5
7d1f543d1d536c879b32ccd4968f3d80
sha1
62e616f1a72e0cc28c82d8d2202470033363aa4a
sha256
a894fdba31fe8a873b57feeb57e822a92ae0957e6711a1984d8fe0dccc306595
sha512
684dfb58fe7b4e90422ac7f300f0e9b4c18b2cf87b981f33757f0e35c2b43ac3f9639220b903e94448f88e10337d02aa2ac0844ac39d698988499dd06ecdc472
ripemd-160
ca2e7ddbb359317ebcc40e7fec5a542b666f2c40
Diameter
174163280
Circumference
547150080.9731
Area
2.3823363188635E+16
Volume
2.766103382376E+24
Surface area
9.5293452754541E+16
Circumference
547150080.9731
Perimeter
348326560
Area
7583212025089600
Diagonal
123152036.32169
Surface area
45499272150537600
Volume
6.6035853961252E+23
Space diagonal
150829824.88642
Perimeter
261244920
Area
3.2836271280056E+15
Altitude
75414912.443211
Surface area
3.2836271280056E+15
Volume
7.7824000229077E+22
Height
41050678.773897