121385087 is an odd 9-digits composite number following 121385086
and preceding 121385088 . In scientific notation, it is written as 1.21385087 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 118562136 positive integers (up to 121385087) that are relatively prime to 121385087.
121385087 has 4 divisors, whose sum is 124208040
The reverse of 121385087 is 780583121
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-one million three hundred eighty-five thousand eighty-seven
Scientific notation
1.21385087 × 10^8
Engineering notation
1.21385087 × 10^6
Prime Factorization
43 × 2822909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121385087
Product of the distinct prime numbers
The prime factorization of 121385087 is 43 × 2822909.
Since it has a total of 2 prime factors.
9 , 1 , 14 , 54 , 840 , 877 , 3574 , 3540 , 44763 , 28895 , 673159 , 424023 , 7351750 , 3209294 , 44668018 , 20329783 , 873995313 , 280768667 , 6831466290 , 9625851493
n×2
242770174
n×3
364155261
n×4
485540348
n×5
606925435
n÷2
60692543.5
n÷3
40461695.666667
n÷3
30346271.75
n÷5
24277017.4
n2
14734339345997569
n3
1.7885290634014E+24
n4
2.1710075596301E+32
n5
2.6352794150336E+40
2 √n
11017.490049916
3 √n
495.13289225185
4 √n
104.96423224087
5 √n
41.38405730606
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
-121385086
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 121385087 can be divided by 4 positive divisors.
The sum of these divisors (counting 121385087) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111000011000001111111
3
Ternary
22110102000000222
4
Quaternary
13033003001333
5
Quinary
222033310322
6
Senary
20013411555
8
Octal
717030177
10
Decimal
121385087
12
Duodecimal
34799bbb
16
Hexadecimal
73c307f
20
Vigesimal
1hid2e7
36
Base36
209pbz
md5
a5dacddfec4ea69b2c0d90ae9c3381db
sha1
02e71a89fd1ca6cdcffb165d4a0c004a0ef9d71b
sha256
3ac6c883a06af31bde1da633f421372a30104fbdc36caba779b3a157574b42af
sha512
a538e6d97f6cc56935dfa6401da5d4debcdbec50e407e018bf77227105a94c76cb7755dbbad64893792be6f98bd7a7ba72ab6de3cb96ebc94772f484853e0b16
ripemd-160
778c95bb090ca422fe7870a1d1c98a3630cdc957
Diameter
242770174
Circumference
762684995.14912
Area
4.6289292244885E+16
Volume
7.4917730217517E+24
Surface area
1.8515716897954E+17
Circumference
762684995.14912
Perimeter
485540348
Area
14734339345997569
Diagonal
171664436.30524
Surface area
88406036075985414
Volume
1.7885290634014E+24
Space diagonal
210245137.96517
Perimeter
364155261
Area
6.3801560908072E+15
Altitude
105122568.98258
Surface area
6.3801560908072E+15
Volume
2.107801715134E+23
Height
57221478.768413