99971209 is an odd 8-digits composite number following 99971208
and preceding 99971210 . In scientific notation, it is written as 9.9971209 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 89556480 positive integers (up to 99971209) that are relatively prime to 99971209.
99971209 has 16 divisors, whose sum is 110880000
The reverse of 99971209 is 90217999
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
ninety-nine million nine hundred seventy-one thousand two hundred nine
Scientific notation
9.9971209 × 10^7
Engineering notation
9.9971209 × 10^6
Prime Factorization
13 × 47 × 131 × 1249
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
99971209
Product of the distinct prime numbers
The prime factorization of 99971209 is 13 × 47 × 131 × 1249.
Since it has a total of 4 prime factors.
9 , 1 , 32 , 88 , 580 , 559 , 1553 , 1730 , 15404 , 51160 , 692260 , 318294 , 1532655 , 9065116 , 50183642 , 84634144 , 674104585 , 91511802 , 2768659736 , 218276310
n×2
199942418
n×3
299913627
n×4
399884836
n×5
499856045
n÷2
49985604.5
n÷3
33323736.333333
n÷3
24992802.25
n÷5
19994241.8
n2
9994242628921681
n3
9.9913651865264E+23
n4
9.9884885725755E+31
n5
9.9856127868306E+39
2 √n
9998.5603463699
3 √n
464.11433375754
4 √n
99.992801472755
5 √n
39.808424410595
1 , 13 , 47 , 131 , 611 , 1249 , 1703 , 6157 , 16237 , 58703 , 80041 , 163619 , 763139 , 2127047 , 7690093 , 99971209
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99971208
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99971209 can be divided by 16 positive divisors.
The sum of these divisors (counting 99971209) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111101010111000010001001
3
Ternary
20222010001201101
4
Quaternary
11331113002021
5
Quinary
201043034314
6
Senary
13530421401
8
Octal
575270211
10
Decimal
99971209
12
Duodecimal
29591861
16
Hexadecimal
5f57089
20
Vigesimal
1b4g809
36
Base36
1niqa1
md5
c4abc87e90b25f10df57e194473c68c7
sha1
d92e82f377980d826d094690bd849d7008f32f85
sha256
f0405bb04c9743d8a0b01096ad5b58a389956ef9df968d22a5fb3defd584347f
sha512
d00c9b61522ad8426ee80887178a7345298ab363125ad3d6b34e21f150688d1ff7f8149b25bce93f61f3a2e97a6588fac5b34d1ea6479a99b5c46f42c7a0192e
ripemd-160
5d8958615102b2b194f181c635bd66f8ca83dfe8
Diameter
199942418
Circumference
628137631.52978
Area
3.1397839221214E+16
Volume
4.1851732625765E+24
Surface area
1.2559135688486E+17
Circumference
628137631.52978
Perimeter
399884836
Area
9994242628921681
Diagonal
141380639.61464
Surface area
59965455773530086
Volume
9.9913651865264E+23
Space diagonal
173155213.28209
Perimeter
299913627
Area
4.3276340041158E+15
Altitude
86577606.641043
Surface area
4.3276340041158E+15
Volume
1.1774936794507E+23
Height
47126879.871545