122486987 is an odd 9-digits composite number following 122486986
and preceding 122486988 . In scientific notation, it is written as 1.22486987 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 104516712 positive integers (up to 122486987) that are relatively prime to 122486987.
122486987 has 8 divisors, whose sum is 140614656
The reverse of 122486987 is 789684221
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-two million four hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
1.22486987 × 10^8
Engineering notation
1.22486987 × 10^6
Prime Factorization
7 × 223 × 78467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
122486987
Product of the distinct prime numbers
The prime factorization of 122486987 is 7 × 223 × 78467.
Since it has a total of 3 prime factors.
5 , 9 , 18 , 93 , 340 , 472 , 6611 , 124 , 6425 , 15559 , 181866 , 633301 , 3479535 , 6292851 , 80021852 , 38865118 , 797404771 , 929558121 , 7213482736 , 257683033
n×2
244973974
n×3
367460961
n×4
489947948
n×5
612434935
n÷2
61243493.5
n÷3
40828995.666667
n÷3
30621746.75
n÷5
24497397.4
n2
15003061984338169
n3
1.8376798582358E+24
n4
2.2509186890589E+32
n5
2.7570824820482E+40
2 √n
11067.383927559
3 √n
496.62660763247
4 √n
105.20163462399
5 √n
41.458920550686
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
-122486986
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 122486987 can be divided by 8 positive divisors.
The sum of these divisors (counting 122486987) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010011010000000011001011
3
Ternary
22112110222120002
4
Quaternary
13103100003023
5
Quinary
222324040422
6
Senary
20053153215
8
Octal
723200313
10
Decimal
122486987
12
Duodecimal
3502b80b
16
Hexadecimal
74d00cb
20
Vigesimal
1i5ah97
36
Base36
20xbkb
md5
86d50e52548502ed7dd1d746d13568d2
sha1
8c67419cf40f4bd08238bb46f66a1bba080fc413
sha256
eee269f933815137300098523fccd3caec69c6e4bdf60b5af997dce8b9b04d43
sha512
dbf7bad9d0363733930985fe328c471c81767317fd479eeb16041046108b2477d8c3ea0d4e34a77917a82ce7e81199341645c03de046877c9760db16db1e9828
ripemd-160
139286e713e083c4fb66d03491218ff1e43ccd9d
Diameter
244973974
Circumference
769608437.0391
Area
4.7133509311349E+16
Volume
7.6976553897115E+24
Surface area
1.885340372454E+17
Circumference
769608437.0391
Perimeter
489947948
Area
15003061984338169
Diagonal
173222758.22962
Surface area
90018371906029014
Volume
1.8376798582358E+24
Space diagonal
212153684.75003
Perimeter
367460961
Area
6.4965164064947E+15
Altitude
106076842.37501
Surface area
6.4965164064947E+15
Volume
2.1657264823475E+23
Height
57740919.409872