99997989 is an odd 8-digits composite number following 99997988
and preceding 99997990 . In scientific notation, it is written as 9.9997989 × 10^7.
The sum of its digits is 69. It has a total of 3 prime factors and 8 positive divisors.
There are 52746048 positive integers (up to 99997989) that are relatively prime to 99997989.
99997989 has 8 divisors, whose sum is 112818552
The reverse of 99997989 is 98979999
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 69
Digital Root 6
Name
ninety-nine million nine hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
9.9997989 × 10^7
Engineering notation
9.9997989 × 10^6
Prime Factorization
21 × 13 × 366293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
99997989
Product of the distinct prime numbers
The prime factorization of 99997989 is 21 × 13 × 366293.
Since it has a total of 3 prime factors.
4 , 1 , 98 , 95 , 697 , 93 , 6374 , 4683 , 63655 , 1127 , 824157 , 613348 , 4496518 , 342690 , 39781543 , 65483093 , 102689080 , 833955394 , 2574847779 , 7219461645
n×2
199995978
n×3
299993967
n×4
399991956
n×5
499989945
n÷2
49998994.5
n÷3
33332663
n÷3
24999497.25
n÷5
19999597.8
n2
9999597804044121
n3
9.9993967121323E+23
n4
9.9991956242644E+31
n5
9.9989945404404E+39
2 √n
9999.8994494945
3 √n
464.15577192871
4 √n
99.999497246209
5 √n
39.810556935358
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99997988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99997989 can be divided by 8 positive divisors.
The sum of these divisors (counting 99997989) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111101011101100100100101
3
Ternary
20222011102110020
4
Quaternary
11331131210211
5
Quinary
201044413424
6
Senary
13531145353
8
Octal
575354445
10
Decimal
99997989
12
Duodecimal
295a5259
16
Hexadecimal
5f5d925
20
Vigesimal
1b4jej9
36
Base36
1njaxx
md5
4f2a963ba56fd433fcb91cb8f28efb78
sha1
9336c729e1b0cc32737bae21c08de09b618bd326
sha256
440bd26bf5a8eabdee257dae7fc4462c8ea6c47827bde74174d472d08b3c9536
sha512
912fe50a7d0f6baca61f1fad7b5ea5367e6078834e9d5b24e5ae505a2513a4a7e2d255c095d4066b882f297ca69314a2c28a3be88ae147d6061349ab7548dd79
ripemd-160
1ec9cca2c62a7d6ec0d362ee11499bda9c04c1fc
Diameter
199995978
Circumference
628305895.23231
Area
3.1414663000038E+16
Volume
4.1885375001553E+24
Surface area
1.2565865200015E+17
Circumference
628305895.23231
Perimeter
399991956
Area
9999597804044121
Diagonal
141418512.25384
Surface area
59997586824264726
Volume
9.9993967121323E+23
Space diagonal
173201597.60271
Perimeter
299993967
Area
4.3299528629646E+15
Altitude
86600798.801357
Surface area
4.3299528629646E+15
Volume
1.1784402038205E+23
Height
47139504.084612