99681391 is an odd 8-digits composite number following 99681390
and preceding 99681392 . In scientific notation, it is written as 9.9681391 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 94434984 positive integers (up to 99681391) that are relatively prime to 99681391.
99681391 has 4 divisors, whose sum is 104927800
The reverse of 99681391 is 19318699
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
ninety-nine million six hundred eighty-one thousand three hundred ninety-one
Scientific notation
9.9681391 × 10^7
Engineering notation
9.9681391 × 10^6
Prime Factorization
19 × 5246389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99681391
Product of the distinct prime numbers
The prime factorization of 99681391 is 19 × 5246389.
Since it has a total of 2 prime factors.
3 , 6 , 8 , 59 , 25 , 189 , 3044 , 5915 , 27030 , 35372 , 192524 , 210044 , 5569860 , 1494076 , 7075652 , 41322369 , 496594181 , 978515095 , 5902309246 , 1916819761
n×2
199362782
n×3
299044173
n×4
398725564
n×5
498406955
n÷2
49840695.5
n÷3
33227130.333333
n÷3
24920347.75
n÷5
19936278.2
n2
9936379711694881
n3
9.9047215116592E+23
n4
9.8731641774982E+31
n5
9.8417073878439E+39
2 √n
9984.0568407837
3 √n
463.66540824535
4 √n
99.920252405524
5 √n
39.78531655788
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
-99681390
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 99681391 can be divided by 4 positive divisors.
The sum of these divisors (counting 99681391) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100010000010001101111
3
Ternary
20221120100011101
4
Quaternary
11330100101233
5
Quinary
201004301031
6
Senary
13520303531
8
Octal
574202157
10
Decimal
99681391
12
Duodecimal
29471ba7
16
Hexadecimal
5f1046f
20
Vigesimal
1b3039b
36
Base36
1ncinj
md5
6b73d9477c9f9d6376df787a985fe86c
sha1
d49daa1a3da1fec2121c1a5c2bd13e2a90b61cbc
sha256
cf9e0bd6fd181315231883ef9c75d2ffc74ca7086b680df874f0a46aae3b8263
sha512
8911f610d70f9aa7e0d8c1059040f846efa89296bc5ee893c324f0b5c328ae23a7588f98542f0f950f9a3cfc6437cabaeb6175fbe922f5ed27270790fd2f79e0
ripemd-160
be8b103dc38a8371aba1e6564f628c47e8f56d2a
Diameter
199362782
Circumference
626316651.33042
Area
3.1216057505539E+16
Volume
4.1488800449175E+24
Surface area
1.2486423002216E+17
Circumference
626316651.33042
Perimeter
398725564
Area
9936379711694881
Diagonal
140970775.06842
Surface area
59618278270169286
Volume
9.9047215116592E+23
Space diagonal
172653233.78114
Perimeter
299044173
Area
4.302578625988E+15
Altitude
86326616.89057
Surface area
4.302578625988E+15
Volume
1.1672826244431E+23
Height
46990258.356138