99972979 is an odd 8-digits composite number following 99972978
and preceding 99972980 . In scientific notation, it is written as 9.9972979 × 10^7.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 97647984 positive integers (up to 99972979) that are relatively prime to 99972979.
99972979 has 4 divisors, whose sum is 102297976
The reverse of 99972979 is 97927999
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
ninety-nine million nine hundred seventy-two thousand nine hundred seventy-nine
Scientific notation
9.9972979 × 10^7
Engineering notation
9.9972979 × 10^6
Prime Factorization
43 × 2324953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99972979
Product of the distinct prime numbers
The prime factorization of 99972979 is 43 × 2324953.
Since it has a total of 2 prime factors.
2 , 4 , 43 , 84 , 150 , 794 , 8768 , 2459 , 60857 , 90182 , 458176 , 475329 , 3023034 , 9646229 , 72734767 , 15462213 , 147347664 , 488287748 , 3414124463 , 2114991027
n×2
199945958
n×3
299918937
n×4
399891916
n×5
499864895
n÷2
49986489.5
n÷3
33324326.333333
n÷3
24993244.75
n÷5
19994595.8
n2
9994596530134441
n3
9.991895890206E+23
n4
9.9891959800175E+31
n5
9.9864967993718E+39
2 √n
9998.6488587209
3 √n
464.11707280455
4 √n
99.993244065391
5 √n
39.808565372004
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
-99972978
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 99972979 can be divided by 4 positive divisors.
The sum of these divisors (counting 99972979) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111101010111011101110011
3
Ternary
20222010011010221
4
Quaternary
11331113131303
5
Quinary
201043113404
6
Senary
13530433511
8
Octal
575273563
10
Decimal
99972979
12
Duodecimal
29592897
16
Hexadecimal
5f57773
20
Vigesimal
1b4gc8j
36
Base36
1nirn7
md5
a8b15985326c841fa985c22afeea6f4f
sha1
2d7413c9b7e4bcecf24beb86866bc308f0245dcf
sha256
edd0424bf819903eb33eb951d941213cfc6dfcf1c373e5ffd0e743e5ed181d6b
sha512
321fced38b78eb644a1f79a6b46282fd56df55bff38b27fbec5041e51bb94f5f70bc4ac5fea4d10e3d44025cea1714f4ebdf7d0c043afef5e1fb2de7ca2261b9
ripemd-160
574ddd31955bb54e0204986db1be09cce59d549a
Diameter
199945958
Circumference
628148752.76777
Area
3.1398951034664E+16
Volume
4.185395563214E+24
Surface area
1.2559580413866E+17
Circumference
628148752.76777
Perimeter
399891916
Area
9994596530134441
Diagonal
141383142.77264
Surface area
59967579180806646
Volume
9.991895890206E+23
Space diagonal
173158279.01202
Perimeter
299918937
Area
4.3277872478361E+15
Altitude
86579139.506008
Surface area
4.3277872478361E+15
Volume
1.1775562234791E+23
Height
47127714.257547