99687561 is an odd 8-digits composite number following 99687560
and preceding 99687562 . In scientific notation, it is written as 9.9687561 × 10^7.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 66458372 positive integers (up to 99687561) that are relatively prime to 99687561.
99687561 has 4 divisors, whose sum is 132916752
The reverse of 99687561 is 16578699
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
ninety-nine million six hundred eighty-seven thousand five hundred sixty-one
Scientific notation
9.9687561 × 10^7
Engineering notation
9.9687561 × 10^6
Prime Factorization
3 × 33229187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99687561
Product of the distinct prime numbers
The prime factorization of 99687561 is 3 × 33229187.
Since it has a total of 2 prime factors.
3 , 8 , 62 , 14 , 52 , 3 , 8632 , 4161 , 17490 , 89437 , 329316 , 603073 , 5331652 , 2023396 , 18451293 , 17692171 , 26782428 , 289465311 , 1081443432 , 3500075023
n×2
199375122
n×3
299062683
n×4
398750244
n×5
498437805
n÷2
49843780.5
n÷3
33229187
n÷3
24921890.25
n÷5
19937512.2
n2
9937609818128721
n3
9.9065608493891E+23
n4
9.8756088897368E+31
n5
9.8447536360778E+39
2 √n
9984.3658286343
3 √n
463.6749745797
4 √n
99.92179856585
5 √n
39.785809065706
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
-99687560
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 99687561 can be divided by 4 positive divisors.
The sum of these divisors (counting 99687561) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100010001110010001001
3
Ternary
20221120122121220
4
Quaternary
11330101302021
5
Quinary
201010000221
6
Senary
13520352253
8
Octal
574216211
10
Decimal
99687561
12
Duodecimal
29475689
16
Hexadecimal
5f11c89
20
Vigesimal
1b30ii1
36
Base36
1ncnex
md5
d5c88e642699b4791094a48634d5929a
sha1
48ff8b95842a78b7c3ce7708f29e5a8c50ce05d9
sha256
7fcc7ab56e0cb19af8f66b576c571fac6bde81d88bbe4016a0688fcc4ee11a1f
sha512
fc71e545f8a35a9a2ddac64214bdbcb4ab79fd47c43608cd8330e4bf03ebf45478be15374735c03c77f7e85ff0cbe301f6f25f2a3893b8999434505f3ecd6f64
ripemd-160
cdc1aad0f67523a261e8fb38d3e5509d9a221fdf
Diameter
199375122
Circumference
626355418.58377
Area
3.1219921998875E+16
Volume
4.1496505049041E+24
Surface area
1.248796879955E+17
Circumference
626355418.58377
Perimeter
398750244
Area
9937609818128721
Diagonal
140979500.7661
Surface area
59625658908772326
Volume
9.9065608493891E+23
Space diagonal
172663920.53462
Perimeter
299062683
Area
4.3031112776986E+15
Altitude
86331960.267311
Surface area
4.3031112776986E+15
Volume
1.1674993924734E+23
Height
46993166.922032