87942705 is an odd 8-digits composite number following 87942704
and preceding 87942706 . In scientific notation, it is written as 8.7942705 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 46902768 positive integers (up to 87942705) that are relatively prime to 87942705.
87942705 has 4 divisors, whose sum is 93805568
The reverse of 87942705 is 50724978
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-seven million nine hundred forty-two thousand seven hundred five
Scientific notation
8.7942705 × 10^7
Engineering notation
8.7942705 × 10^6
Prime Factorization
15 × 5862847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87942705
Product of the distinct prime numbers
The prime factorization of 87942705 is 15 × 5862847.
Since it has a total of 2 prime factors.
2 , 2 , 20 , 31 , 250 , 541 , 4751 , 9548 , 93879 , 55890 , 711834 , 392753 , 2682857 , 9315459 , 14633547 , 98102029 , 783939726 , 856943404 , 7680047473 , 1881671029
n×2
175885410
n×3
263828115
n×4
351770820
n×5
439713525
n÷2
43971352.5
n÷3
29314235
n÷3
21985676.25
n÷5
17588541
n2
7733919362717025
n3
6.8014178900921E+23
n4
5.9813508709009E+31
n5
5.2601617514113E+39
2 √n
9377.7771886519
3 √n
444.6994646264
4 √n
96.838923933777
5 √n
38.800736025184
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87942704
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87942705 can be divided by 4 positive divisors.
The sum of these divisors (counting 87942705) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001111011110011000110001
3
Ternary
20010110221201020
4
Quaternary
11033132120301
5
Quinary
140003131310
6
Senary
12420530053
8
Octal
517363061
10
Decimal
87942705
12
Duodecimal
25550929
16
Hexadecimal
53de631
20
Vigesimal
179cgf5
36
Base36
1gcx0x
md5
665019571cdeecc876d0fc1c1e5a382f
sha1
6bba3dd9491890d03f419f4dd290bf746cc23d10
sha256
43e1e122066e1d458928bbd4a2c6463f0d1a9295f53616d9391efd3d8d37ca06
sha512
98f02a5d6ed26940cb970fed26d4b5e259d69c6a513581723c058838fac95ab68601ed9f64a47107aac391458464e155ee24b482025cba99ac65442c44b3346e
ripemd-160
c12b43b52236d4f7b7bf990243c006fadd6f2bc2
Diameter
175885410
Circumference
552560311.92963
Area
2.4296824253368E+16
Volume
2.8489712636677E+24
Surface area
9.7187297013471E+16
Circumference
552560311.92963
Perimeter
351770820
Area
7733919362717025
Diagonal
124369766.12278
Surface area
46403516176302150
Volume
6.8014178900921E+23
Space diagonal
152321233.21504
Perimeter
263828115
Area
3.3488853194666E+15
Altitude
76160616.607521
Surface area
3.3488853194666E+15
Volume
8.0155478529461E+22
Height
41456588.707592