121031872 is an even 9-digits composite number following 121031871
and preceding 121031873 . In scientific notation, it is written as 1.21031872 × 10^8.
The sum of its digits is 25. It has a total of 8 prime factors and 28 positive divisors.
There are 55860480 positive integers (up to 121031872) that are relatively prime to 121031872.
121031872 has 28 divisors, whose sum is 258649216
The reverse of 121031872 is 278130121
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-one million thirty-one thousand eight hundred seventy-two
Scientific notation
1.21031872 × 10^8
Engineering notation
1.21031872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 13 × 145471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
3782246
Product of the distinct prime numbers
The prime factorization of 121031872 is 2 × 2 × 2 × 2 × 2 × 2 × 13 × 145471.
Since it has a total of 8 prime factors.
9 , 1 , 84 , 22 , 826 , 947 , 414 , 8840 , 84870 , 443 , 121332 , 845950 , 8729250 , 4835510 , 98175413 , 75171982 , 928171790 , 933293675 , 3822528222 , 5003814003
n×2
242063744
n×3
363095616
n×4
484127488
n×5
605159360
n÷2
60515936
n÷3
40343957.333333
n÷3
30257968
n÷5
24206374.4
n2
14648714039824384
n3
1.7729612826326E+24
n4
2.1458482302055E+32
n5
2.5971602832966E+40
2 √n
11001.448631885
3 √n
494.65216797771
4 √n
104.8877906712
5 √n
41.359944766518
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 64 , 104 , 208 , 416 , 832 , 145471 , 290942 , 581884 , 1163768 , 1891123 , 2327536 , 3782246 , 4655072 , 7564492 , 9310144 , 15128984 , 30257968 , 60515936 , 121031872
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121031871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121031872 can be divided by 28 positive divisors.
The sum of these divisors (counting 121031872) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111001101101100110011000000
3
Ternary
22102202001111221
4
Quaternary
13031230303000
5
Quinary
221441004442
6
Senary
20002044424
8
Octal
715546300
10
Decimal
121031872
12
Duodecimal
34649714
16
Hexadecimal
736ccc0
20
Vigesimal
1hg8jdc
36
Base36
2024sg
md5
e45a83c6b28357084de40307f0197927
sha1
00865db081eb81d6bb3ece21e68a189c0beeae18
sha256
e504d73b1175b5d5b36243deb53a29c740dc0b46e1c8207f6f4532f19183d161
sha512
65bab9aba4eca05f1156cf9f4681cba046cbe1f156835fd3f1b7644c8c1789f4f2e0a0f7cd18cb26554d3c5466dd10fecf691c2b95fa38aebc219d02a50330ca
ripemd-160
0789dbc71a0e8067ebb7930cafc9fc78d027a83c
Diameter
242063744
Circumference
760465679.85084
Area
4.602029241205E+16
Volume
7.4265628541571E+24
Surface area
1.840811696482E+17
Circumference
760465679.85084
Perimeter
484127488
Area
14648714039824384
Diagonal
171164914.8618
Surface area
87892284238946304
Volume
1.7729612826326E+24
Space diagonal
209633351.63917
Perimeter
363095616
Area
6.3430792456308E+15
Altitude
104816675.81959
Surface area
6.3430792456308E+15
Volume
2.0894549095512E+23
Height
57054971.620601