99898981 is an odd 8-digits composite number following 99898980
and preceding 99898982 . In scientific notation, it is written as 9.9898981 × 10^7.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 79040880 positive integers (up to 99898981) that are relatively prime to 99898981.
99898981 has 4 divisors, whose sum is 100996864
The reverse of 99898981 is 18989899
Previous prime number is 91
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
ninety-nine million eight hundred ninety-eight thousand nine hundred eighty-one
Scientific notation
9.9898981 × 10^7
Engineering notation
9.9898981 × 10^6
Prime Factorization
91 × 1097791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99898981
Product of the distinct prime numbers
The prime factorization of 99898981 is 91 × 1097791.
Since it has a total of 2 prime factors.
5 , 2 , 97 , 39 , 227 , 681 , 3540 , 6099 , 34147 , 30007 , 329994 , 27779 , 6737745 , 3541047 , 64456987 , 42979029 , 840207755 , 214030578 , 2616163559 , 6309721049
n×2
199797962
n×3
299696943
n×4
399595924
n×5
499494905
n÷2
49949490.5
n÷3
33299660.333333
n÷3
24974745.25
n÷5
19979796.2
n2
9979806404838361
n3
9.9697249042063E+23
n4
9.9596535878053E+31
n5
9.9495924453474E+39
2 √n
9994.9477737505
3 √n
464.0025344813
4 √n
99.974735677322
5 √n
39.802670525631
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
-99898980
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 99898981 can be divided by 4 positive divisors.
The sum of these divisors (counting 99898981) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111101000101011001100101
3
Ternary
20221222101122021
4
Quaternary
11331011121211
5
Quinary
201033231411
6
Senary
13525103141
8
Octal
575053145
10
Decimal
99898981
12
Duodecimal
29557ab1
16
Hexadecimal
5f45665
20
Vigesimal
1b47791
36
Base36
1nh6jp
md5
a1a433111b9591a97e53680207e5ee5c
sha1
7e9661582f8442cc7f82a5d175afde9104bf1990
sha256
6ae1a9197e40482fb0740fb2f52931e7efb491a9e64ad3474d3b80b523d1dc5a
sha512
94093468093e4a8682b3ebaddffaa629dd12b029ff2ed401e04e22cce07190f04879367f075070d44cd076574177aff9d2c2ac72fc4eab1fedcaaae7d4a23962
ripemd-160
dcce4dfda7f64363fcd88ac50617950e3a7c18c3
Diameter
199797962
Circumference
627683809.62141
Area
3.1352486485689E+16
Volume
4.1761086023154E+24
Surface area
1.2540994594275E+17
Circumference
627683809.62141
Perimeter
399595924
Area
9979806404838361
Diagonal
141278493.79745
Surface area
59878838429030166
Volume
9.9697249042063E+23
Space diagonal
173030110.71636
Perimeter
299696943
Area
4.3213829357203E+15
Altitude
86515055.358179
Surface area
4.3213829357203E+15
Volume
1.1749433477214E+23
Height
47092831.265817