122387890 is an even 9-digits composite number following 122387889
and preceding 122387891 . In scientific notation, it is written as 1.22387890 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 47816496 positive integers (up to 122387890) that are relatively prime to 122387890.
122387890 has 8 divisors, whose sum is 184436352
The reverse of 122387890 is 098783221
Previous prime number is 215
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-two million three hundred eighty-seven thousand eight hundred ninety
Scientific notation
1.22387890 × 10^8
Engineering notation
1.22387890 × 10^6
Prime Factorization
2 × 215 × 284623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
122387890
Product of the distinct prime numbers
The prime factorization of 122387890 is 2 × 215 × 284623.
Since it has a total of 3 prime factors.
9 , 9 , 30 , 49 , 732 , 128 , 7604 , 1561 , 24987 , 2816 , 541316 , 577954 , 4842448 , 2220916 , 14933937 , 88241322 , 737271751 , 669909632 , 453723567 , 5571383841
n×2
244775780
n×3
367163670
n×4
489551560
n×5
611939450
n÷2
61193945
n÷3
40795963.333333
n÷3
30596972.5
n÷5
24477578
n2
14978795618652100
n3
1.8332231905081E+24
n4
2.2436431818535E+32
n5
2.7459475493994E+40
2 √n
11062.906037746
3 √n
496.49264106123
4 √n
105.18035005526
5 √n
41.452209985002
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-122387889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 122387890 can be divided by 8 positive divisors.
The sum of these divisors (counting 122387890) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010010110111110110110010
3
Ternary
22112021221121211
4
Quaternary
13102313312302
5
Quinary
222312403030
6
Senary
20051110334
8
Octal
722676662
10
Decimal
122387890
12
Duodecimal
34ba23aa
16
Hexadecimal
74b7db2
20
Vigesimal
1i4i9ea
36
Base36
20v73m
md5
26ba10324101435fc70bc252814d0f4a
sha1
5a89494c081b361bdd66ae50931c4f296561418d
sha256
ddd7a7249e5440354ac6db516870cc200612af4bd1cf32e1ee52ec54287f1b3c
sha512
10a9b487b72ca847a29320332c593e52134a0c54896b840d32fe5cdb19d9c85be1c5c1fa4d9e4707352fb9870f9f45c7e78ae89a26a663c28a45d762b10d3cf9
ripemd-160
025db2a597fb3aa1d1d5b9ad4ac1389f1ea7e70e
Diameter
244775780
Circumference
768985792.22471
Area
4.705727427518E+16
Volume
7.6789873435875E+24
Surface area
1.8822909710072E+17
Circumference
768985792.22471
Perimeter
489551560
Area
14978795618652100
Diagonal
173082613.90823
Surface area
89872773711912600
Volume
1.8332231905081E+24
Space diagonal
211982043.71115
Perimeter
367163670
Area
6.4860087619239E+15
Altitude
105991021.85558
Surface area
6.4860087619239E+15
Volume
2.1604742490612E+23
Height
57694204.636076