121572187 is an odd 9-digits composite number following 121572186
and preceding 121572188 . In scientific notation, it is written as 1.21572187 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 110520160 positive integers (up to 121572187) that are relatively prime to 121572187.
121572187 has 4 divisors, whose sum is 132624216
The reverse of 121572187 is 781275121
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-one million five hundred seventy-two thousand one hundred eighty-seven
Scientific notation
1.21572187 × 10^8
Engineering notation
1.21572187 × 10^6
Prime Factorization
11 × 11052017
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121572187
Product of the distinct prime numbers
The prime factorization of 121572187 is 11 × 11052017.
Since it has a total of 2 prime factors.
1 , 1 , 57 , 69 , 755 , 568 , 5512 , 2013 , 97416 , 1464 , 227147 , 916749 , 4942198 , 7237064 , 28318816 , 76358235 , 725070189 , 184043817 , 8064809867 , 9608505289
n×2
243144374
n×3
364716561
n×4
486288748
n×5
607860935
n÷2
60786093.5
n÷3
40524062.333333
n÷3
30393046.75
n÷5
24314437.4
n2
14779796651962969
n3
1.7968122023944E+24
n4
2.1844238907338E+32
n5
2.6556518973155E+40
2 √n
11025.977825118
3 √n
495.38715689506
4 √n
105.00465620685
5 √n
41.396807122041
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
-121572186
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 121572187 can be divided by 4 positive divisors.
The sum of these divisors (counting 121572187) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111110000101101011011
3
Ternary
22110202111200121
4
Quaternary
13033300231123
5
Quinary
222110302222
6
Senary
20021414111
8
Octal
717605533
10
Decimal
121572187
12
Duodecimal
3486a337
16
Hexadecimal
73f0b5b
20
Vigesimal
1hjga97
36
Base36
20dpp7
md5
6e9f46f8b36fd82709658ae60eb02197
sha1
7345748eab4a5a3200fa500cf84a06ed1659b065
sha256
e27c714703c3967284e8040fcd31d0402ca00b579ee5b30f7c02a927d9358c8c
sha512
1c2fbefe25f839f5bc6a47900f5b18e66e720584fd3356571370ba4461b6d752eda5a4514ac028ff762701f661b7782cc4e2b383edc1106ecbe7d27a20f16373
ripemd-160
19509f2f9f3978b3b72fdfe1106d34c34d94a3f4
Diameter
243144374
Circumference
763860579.12009
Area
4.6432100583358E+16
Volume
7.5264693532304E+24
Surface area
1.8572840233343E+17
Circumference
763860579.12009
Perimeter
486288748
Area
14779796651962969
Diagonal
171929035.66276
Surface area
88678779911777814
Volume
1.7968122023944E+24
Space diagonal
210569204.67126
Perimeter
364716561
Area
6.3998396816841E+15
Altitude
105284602.33563
Surface area
6.3998396816841E+15
Volume
2.117563488053E+23
Height
57309678.554253