122720912 is an even 9-digits composite number following 122720911
and preceding 122720913 . In scientific notation, it is written as 1.22720912 × 10^8.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 61050528 positive integers (up to 122720912) that are relatively prime to 122720912.
122720912 has 20 divisors, whose sum is 238972800
The reverse of 122720912 is 219027221
Previous prime number is 199
Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-two million seven hundred twenty thousand nine hundred twelve
Scientific notation
1.22720912 × 10^8
Engineering notation
1.22720912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 199 × 38543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
15340114
Product of the distinct prime numbers
The prime factorization of 122720912 is 2 × 2 × 2 × 2 × 199 × 38543.
Since it has a total of 6 prime factors.
8 , 9 , 1 , 75 , 435 , 985 , 309 , 4786 , 97536 , 51667 , 525740 , 494351 , 7359369 , 2163743 , 64234567 , 4646333 , 734560105 , 756175190 , 8039667875 , 1775895801
n×2
245441824
n×3
368162736
n×4
490883648
n×5
613604560
n÷2
61360456
n÷3
40906970.666667
n÷3
30680228
n÷5
24544182.4
n2
15060422242111744
n3
1.848228752657E+24
n4
2.2681631811069E+32
n5
2.7835105415027E+40
2 √n
11077.947102239
3 √n
496.94255820712
4 √n
105.25182707316
5 √n
41.47474407287
1 , 2 , 4 , 8 , 16 , 199 , 398 , 796 , 1592 , 3184 , 38543 , 77086 , 154172 , 308344 , 616688 , 7670057 , 15340114 , 30680228 , 61360456 , 122720912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-122720911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 122720912 can be divided by 20 positive divisors.
The sum of these divisors (counting 122720912) is 1, the average is 0.05.
Base
System
Value
2
Binary
111010100001001001010010000
3
Ternary
22112220212102222
4
Quaternary
13110021022100
5
Quinary
222404032122
6
Senary
20102200212
8
Octal
724111220
10
Decimal
122720912
12
Duodecimal
35123068
16
Hexadecimal
7509290
20
Vigesimal
1i7025c
36
Base36
212c28
md5
0673b9a91de43be9af874cd84db3abfa
sha1
cdb85936e9ad266954c4cc284b18de1d2df8ef39
sha256
f1b79b6b36a231d00a88dd21def4d47c8772ebbf65e82b57976f1bbbe97065f0
sha512
1aa74fea9f2633cfe9c17b871376b4fb00ce9cb38960fbe1a0257be310ea710bb695808fefe3076df5a64c565c9fd437520a06147b3b28de66ff10f931f62dd3
ripemd-160
85ea2997965d091424650179b5bc9b3ef1d2413a
Diameter
245441824
Circumference
771078231.16208
Area
4.7313711875779E+16
Volume
7.7418424953344E+24
Surface area
1.8925484750311E+17
Circumference
771078231.16208
Perimeter
490883648
Area
15060422242111744
Diagonal
173553578.1372
Surface area
90362533452670464
Volume
1.848228752657E+24
Space diagonal
212558854.73519
Perimeter
368162736
Area
6.5213541266945E+15
Altitude
106279427.36759
Surface area
6.5213541266945E+15
Volume
2.1781584736462E+23
Height
57851192.712398