123720916 is an even 9-digits composite number following 123720915
and preceding 123720917 . In scientific notation, it is written as 1.23720916 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 56136480 positive integers (up to 123720916) that are relatively prime to 123720916.
123720916 has 12 divisors, whose sum is 216852832
The reverse of 123720916 is 619027321
Previous prime number is 48103
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-three million seven hundred twenty thousand nine hundred sixteen
Scientific notation
1.23720916 × 10^8
Engineering notation
1.23720916 × 10^6
Prime Factorization
2 × 2 × 48103 × 643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61860458
Product of the distinct prime numbers
The prime factorization of 123720916 is 2 × 2 × 48103 × 643.
Since it has a total of 4 prime factors.
9 , 3 , 42 , 59 , 800 , 136 , 7701 , 3425 , 93121 , 74123 , 676690 , 106682 , 1726998 , 4106825 , 77816681 , 80579598 , 76627219 , 60959707 , 1113273963 , 8735414631
n×2
247441832
n×3
371162748
n×4
494883664
n×5
618604580
n÷2
61860458
n÷3
41240305.333333
n÷3
30930229
n÷5
24744183.2
n2
15306865055879056
n3
1.8937793658017E+24
n4
2.3430011783889E+32
n5
2.8987825197936E+40
2 √n
11122.990425241
3 √n
498.28870428272
4 √n
105.46558882043
5 √n
41.542117076315
1 , 2 , 4 , 643 , 1286 , 2572 , 48103 , 96206 , 192412 , 30930229 , 61860458 , 123720916
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-123720915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 123720916 can be divided by 12 positive divisors.
The sum of these divisors (counting 123720916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010111111101010011010100
3
Ternary
22121210200012011
4
Quaternary
13113331103110
5
Quinary
223133032131
6
Senary
20135434004
8
Octal
727752324
10
Decimal
123720916
12
Duodecimal
35525904
16
Hexadecimal
75fd4d4
20
Vigesimal
1id525g
36
Base36
21nro4
md5
eea1b2f52b6133f3c94142f795634808
sha1
ab7c8f43ff66500b601a788c2ef8b578431db688
sha256
739084ef193319e3230ee010e6de968027059f165cb055d199d48d16ff957d64
sha512
a95d0af77c92cc712f1663809a59e3ff06ab5b334baa1a73998e7f5c20cb37521978d4c4e760fe710e957b997d75d4bd64f4e2f7d6e230cf0d0219e5d49b0830
ripemd-160
bde3a85dc537bb1800b601da8a5f78fc727ef63d
Diameter
247441832
Circumference
777361441.602
Area
4.808793480904E+16
Volume
7.9326444574969E+24
Surface area
1.9235173923616E+17
Circumference
777361441.602
Perimeter
494883664
Area
15306865055879056
Diagonal
174967797.35642
Surface area
91841190335274336
Volume
1.8937793658017E+24
Space diagonal
214290912.47096
Perimeter
371162748
Area
6.6280669953458E+15
Altitude
107145456.23548
Surface area
6.6280669953458E+15
Volume
2.2318403860493E+23
Height
58322599.118807