121736987 is an odd 9-digits prime number following 121736986
and preceding 121736988 . In scientific notation, it is written as 1.21736987 × 10^8.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 121736986 positive integers (up to 121736987) that are relatively prime to 121736987.
121736987 has 2 divisors, whose sum is 121736988
The reverse of 121736987 is 789637121
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-one million seven hundred thirty-six thousand nine hundred eighty-seven
Scientific notation
1.21736987 × 10^8
Engineering notation
1.21736987 × 10^6
Prime Factorization
121736987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
121736987
Product of the distinct prime numbers
The prime factorization of 121736987 is 121736987.
Since it has a total of 1 prime factors.
10 , 2 , 64 , 98 , 733 , 981 , 1975 , 1033 , 1299 , 18538 , 74674 , 22228 , 6439417 , 9174410 , 94453004 , 52037607 , 979909343 , 775094272 , 6384910828 , 445061888
n×2
243473974
n×3
365210961
n×4
486947948
n×5
608684935
n÷2
60868493.5
n÷3
40578995.666667
n÷3
30434246.75
n÷5
24347397.4
n2
14819894003838169
n3
1.8041292436866E+24
n4
2.19629258285E+32
n5
2.6737004160661E+40
2 √n
11033.448554283
3 √n
495.61090034507
4 √n
105.04022350644
5 √n
41.408024321953
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
121736988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
60868494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11033.448599599
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999835711
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121736987 can be divided by 2 positive divisors.
The sum of these divisors (counting 121736987) is 121736988, the average is 60868494.
Base
System
Value
2
Binary
111010000011000111100011011
3
Ternary
22111001212202022
4
Quaternary
13100120330123
5
Quinary
222131040422
6
Senary
20025125055
8
Octal
720307433
10
Decimal
121736987
12
Duodecimal
3492978b
16
Hexadecimal
7418f1b
20
Vigesimal
1i0h297
36
Base36
20h8uz
md5
54d47986930739288686c3f066413541
sha1
fc690502086b36f2b9cfd8ac30fbdd665d11d6aa
sha256
68044f89d44085109c4340b6d1b05eb5f6068373cfb6c21aeb0f1b2bf7d77d41
sha512
55bd797fa5ad70cfd0a79785f240fa4fd8c185c35b28f67ed1284a3f1cf943967fb31ec430007c9bd7b812be40d79480e4e298b21e235ae5c184ee162a82527b
ripemd-160
79c99ba808c34fd98f795f6b072a65997419e1b0
Diameter
243473974
Circumference
764896048.05871
Area
4.6558070129437E+16
Volume
7.5571189041232E+24
Surface area
1.8623228051775E+17
Circumference
764896048.05871
Perimeter
486947948
Area
14819894003838169
Diagonal
172162098.05784
Surface area
88919364023029014
Volume
1.8041292436866E+24
Space diagonal
210854646.64435
Perimeter
365210961
Area
6.4172023443583E+15
Altitude
105427323.32218
Surface area
6.4172023443583E+15
Volume
2.126186703913E+23
Height
57387366.019279