122886987 is an odd 9-digits composite number following 122886986
and preceding 122886988 . In scientific notation, it is written as 1.22886987 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 81857952 positive integers (up to 122886987) that are relatively prime to 122886987.
122886987 has 8 divisors, whose sum is 163982736
The reverse of 122886987 is 789688221
Previous prime number is 1277
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-two million eight hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
1.22886987 × 10^8
Engineering notation
1.22886987 × 10^6
Prime Factorization
3 × 1277 × 32077
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
122886987
Product of the distinct prime numbers
The prime factorization of 122886987 is 3 × 1277 × 32077.
Since it has a total of 3 prime factors.
7 , 10 , 82 , 83 , 881 , 727 , 5150 , 2587 , 32460 , 31034 , 814034 , 678083 , 4373384 , 2174313 , 64383086 , 68938288 , 983662135 , 382088664 , 4981386320 , 8426403299
n×2
245773974
n×3
368660961
n×4
491547948
n×5
614434935
n÷2
61443493.5
n÷3
40962329
n÷3
30721746.75
n÷5
24577397.4
n2
15101211573938169
n3
1.8557423903708E+24
n4
2.2804659100084E+32
n5
2.8023958463715E+40
2 √n
11085.440316018
3 √n
497.16662361844
4 √n
105.28741765291
5 √n
41.485963338663
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
-122886986
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 122886987 can be divided by 8 positive divisors.
The sum of these divisors (counting 122886987) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010100110001101101001011
3
Ternary
22120020022020220
4
Quaternary
13110301231023
5
Quinary
222424340422
6
Senary
20105521123
8
Octal
724615513
10
Decimal
122886987
12
Duodecimal
351a31a3
16
Hexadecimal
7531b4b
20
Vigesimal
1i80h97
36
Base36
215w7f
md5
6c58de672ee2ee1eab67771d69ac5a25
sha1
a4e69b37066b527d67b931f4618b769d20fbe299
sha256
128c60083dfd44779a4161f5d4b5b35a6626182aa79d215711ad32a345df47ee
sha512
dd6caed03c6d4f5badb958d7d7db35ba2eefddd66ca1eff2ae19edc62e53b82da003c4866448b26f309ad1cf58f5e6074e28c20db3d26c8b219b08d398dfb259
ripemd-160
2a3dcd37d03d7875f01a54124129f5cdf3bc4900
Diameter
245773974
Circumference
772121711.16197
Area
4.7441855340989E+16
Volume
7.773315547392E+24
Surface area
1.8976742136396E+17
Circumference
772121711.16197
Perimeter
491547948
Area
15101211573938169
Diagonal
173788443.65457
Surface area
90607269443629014
Volume
1.8557423903708E+24
Space diagonal
212846505.07306
Perimeter
368660961
Area
6.539016425477E+15
Altitude
106423252.53653
Surface area
6.539016425477E+15
Volume
2.1870133806109E+23
Height
57929481.218189