122989721 is an odd 9-digits composite number following 122989720
and preceding 122989722 . In scientific notation, it is written as 1.22989721 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 122021172 positive integers (up to 122989721) that are relatively prime to 122989721.
122989721 has 4 divisors, whose sum is 123958272
The reverse of 122989721 is 127989221
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-two million nine hundred eighty-nine thousand seven hundred twenty-one
Scientific notation
1.22989721 × 10^8
Engineering notation
1.22989721 × 10^6
Prime Factorization
127 × 968423
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
122989721
Product of the distinct prime numbers
The prime factorization of 122989721 is 127 × 968423.
Since it has a total of 2 prime factors.
6 , 4 , 56 , 14 , 155 , 528 , 2841 , 1604 , 25349 , 65077 , 573435 , 284447 , 4091215 , 4732540 , 58021476 , 81408315 , 860942113 , 935250590 , 6749178168 , 8618383607
n×2
245979442
n×3
368969163
n×4
491958884
n×5
614948605
n÷2
61494860.5
n÷3
40996573.666667
n÷3
30747430.25
n÷5
24597944.2
n2
15126471471657841
n3
1.8604005060137E+24
n4
2.2881013918288E+32
n5
2.8141295180073E+40
2 √n
11090.073083619
3 √n
497.30512944004
4 √n
105.30941593048
5 √n
41.492897505657
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
-122989720
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 122989721 can be divided by 4 positive divisors.
The sum of these divisors (counting 122989721) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010101001010110010011001
3
Ternary
22120102112011212
4
Quaternary
13111022302121
5
Quinary
222441132341
6
Senary
20112032505
8
Octal
725126231
10
Decimal
122989721
12
Duodecimal
35232735
16
Hexadecimal
754ac99
20
Vigesimal
1i8de61
36
Base36
2183h5
md5
ff37bb6aca2b78f2818a6bf939d2a745
sha1
9280f988606c859c7d1e27af18279c268bfa14b1
sha256
f312e4e9201ce1290985ba416976ccdda1d38c248dc1e7e1a5643006d294ccd3
sha512
66790118521e260998e3c985d3466c17ae7b5749b75a0796545b96c09099d4f9f49858686cb2e8a729c1e721ab20542cac9fd7618a75d55c13b5ba0d31111e1c
ripemd-160
26dc56a14fa7539e3d94a25fb3af53732a6a31d6
Diameter
245979442
Circumference
772767207.92132
Area
4.7521211650096E+16
Volume
7.7928274165697E+24
Surface area
1.9008484660038E+17
Circumference
772767207.92132
Perimeter
491958884
Area
15126471471657841
Diagonal
173933731.47068
Surface area
90758828829947046
Volume
1.8604005060137E+24
Space diagonal
213024445.58072
Perimeter
368969163
Area
6.5499542820381E+15
Altitude
106512222.79036
Surface area
6.5499542820381E+15
Volume
2.1925030225419E+23
Height
57977910.490228