123996891 is an odd 9-digits composite number following 123996890
and preceding 123996892 . In scientific notation, it is written as 1.23996891 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 82664592 positive integers (up to 123996891) that are relatively prime to 123996891.
123996891 has 4 divisors, whose sum is 165329192
The reverse of 123996891 is 198699321
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-three million nine hundred ninety-six thousand eight hundred ninety-one
Scientific notation
1.23996891 × 10^8
Engineering notation
1.23996891 × 10^6
Prime Factorization
3 × 41332297
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
123996891
Product of the distinct prime numbers
The prime factorization of 123996891 is 3 × 41332297.
Since it has a total of 2 prime factors.
2 , 7 , 39 , 86 , 628 , 53 , 1408 , 6060 , 55429 , 50831 , 503601 , 631068 , 3088977 , 9337422 , 89902585 , 74776166 , 170832777 , 387350667 , 5064573841 , 3796250044
n×2
247993782
n×3
371990673
n×4
495987564
n×5
619984455
n÷2
61998445.5
n÷3
41332297
n÷3
30999222.75
n÷5
24799378.2
n2
15375228977665881
n3
1.9064805916437E+24
n4
2.3639766611566E+32
n5
2.9312575637997E+40
2 √n
11135.389126564
3 √n
498.65892759881
4 √n
105.52435323926
5 √n
41.560633541472
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
-123996890
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 123996891 can be divided by 4 positive divisors.
The sum of these divisors (counting 123996891) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011001000000101011011011
3
Ternary
22122022200202110
4
Quaternary
13121000223123
5
Quinary
223220400031
6
Senary
20145403403
8
Octal
731005333
10
Decimal
123996891
12
Duodecimal
35639563
16
Hexadecimal
7640adb
20
Vigesimal
1iejc4b
36
Base36
21tom3
md5
15452007a1603ca7f329c668c5aee5b6
sha1
7b27cb72099adf35ece1975994e67a36e048ab1c
sha256
1c39925c08458bda1b5e0641ba5f8a9be86a898c022e134f06deaa1039491505
sha512
61ee262f83dd7b6eed738771c29b2b32420e7886569d546ea878bc7ae62af6427914363833783b9490fd260d1af5d00e2df5b2b857490f1296250355503d574a
ripemd-160
e5d3ae888a8be1e62b2ff3900646cb61b1b64734
Diameter
247993782
Circumference
779095443.66715
Area
4.8302706403496E+16
Volume
7.9858472278924E+24
Surface area
1.9321082561398E+17
Circumference
779095443.66715
Perimeter
495987564
Area
15375228977665881
Diagonal
175358084.9443
Surface area
92251373865995286
Volume
1.9064805916437E+24
Space diagonal
214768915.19258
Perimeter
371990673
Area
6.6576694418306E+15
Altitude
107384457.59629
Surface area
6.6576694418306E+15
Volume
2.246808924253E+23
Height
58452694.981433