99972645 is an odd 8-digits composite number following 99972644
and preceding 99972646 . In scientific notation, it is written as 9.9972645 × 10^7.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 53318736 positive integers (up to 99972645) that are relatively prime to 99972645.
99972645 has 4 divisors, whose sum is 106637504
The reverse of 99972645 is 54627999
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
ninety-nine million nine hundred seventy-two thousand six hundred forty-five
Scientific notation
9.9972645 × 10^7
Engineering notation
9.9972645 × 10^6
Prime Factorization
15 × 6664843
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99972645
Product of the distinct prime numbers
The prime factorization of 99972645 is 15 × 6664843.
Since it has a total of 2 prime factors.
4 , 8 , 7 , 45 , 463 , 179 , 9807 , 7997 , 54761 , 69531 , 378801 , 292358 , 2469527 , 1109278 , 48812748 , 45037190 , 489447203 , 645710885 , 5182032579 , 2769402092
n×2
199945290
n×3
299917935
n×4
399890580
n×5
499863225
n÷2
49986322.5
n÷3
33324215
n÷3
24993161.25
n÷5
19994529
n2
9994529748296025
n3
9.9917957446834E+23
n4
9.9890624889574E+31
n5
9.9863299809136E+39
2 √n
9998.6321564502
3 √n
464.11655594731
4 √n
99.993160548361
5 √n
39.808538772659
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
-99972644
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 99972645 can be divided by 4 positive divisors.
The sum of these divisors (counting 99972645) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111101010111011000100101
3
Ternary
20222010010200120
4
Quaternary
11331113120211
5
Quinary
201043111040
6
Senary
13530432153
8
Octal
575273045
10
Decimal
99972645
12
Duodecimal
29592659
16
Hexadecimal
5f57625
20
Vigesimal
1b4gbc5
36
Base36
1nirdx
md5
48815abf541dd8e63d8abc61664daf8e
sha1
5e13918efc55b5a64c8f938ee21367af0479b573
sha256
105464cf3d2b2ce9054320e70a224eddce70be783bf5b23a1e199f734e2b06ef
sha512
c004a153d31cbe625c7a532cef4ff98fa698f5e050a9a8ad7e723aeae527cad4237030986c92fad89a7fff1459aa9c7d84b41491f918bb6443184eac273c6cf9
ripemd-160
f1636c1a3fba346c4852c0bcb67d28f2b38e0f61
Diameter
199945290
Circumference
628146654.18388
Area
3.1398741233331E+16
Volume
4.1853536143556E+24
Surface area
1.2559496493333E+17
Circumference
628146654.18388
Perimeter
399890580
Area
9994529748296025
Diagonal
141382670.42531
Surface area
59967178489776150
Volume
9.9917957446834E+23
Space diagonal
173157700.50705
Perimeter
299917935
Area
4.3277583304518E+15
Altitude
86578850.253523
Surface area
4.3277583304518E+15
Volume
1.1775444212161E+23
Height
47127556.808437