121572191 is an odd 9-digits composite number following 121572190
and preceding 121572192 . In scientific notation, it is written as 1.21572191 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 112220472 positive integers (up to 121572191) that are relatively prime to 121572191.
121572191 has 4 divisors, whose sum is 130923912
The reverse of 121572191 is 191275121
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-one million five hundred seventy-two thousand one hundred ninety-one
Scientific notation
1.21572191 × 10^8
Engineering notation
1.21572191 × 10^6
Prime Factorization
13 × 9351707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121572191
Product of the distinct prime numbers
The prime factorization of 121572191 is 13 × 9351707.
Since it has a total of 2 prime factors.
1 , 5 , 48 , 69 , 569 , 31 , 1578 , 737 , 18807 , 46832 , 365507 , 738994 , 6146082 , 9314345 , 43674097 , 48872100 , 862029088 , 815881850 , 1639138894 , 8408441797
n×2
243144382
n×3
364716573
n×4
486288764
n×5
607860955
n÷2
60786095.5
n÷3
40524063.666667
n÷3
30393047.75
n÷5
24314438.2
n2
14779797624540481
n3
1.796812379752E+24
n4
2.1844241782237E+32
n5
2.6556523342003E+40
2 √n
11025.978006508
3 √n
495.38716232818
4 √n
105.00465707057
5 √n
41.396807394451
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
-121572190
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 121572191 can be divided by 4 positive divisors.
The sum of these divisors (counting 121572191) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111110000101101011111
3
Ternary
22110202111200202
4
Quaternary
13033300231133
5
Quinary
222110302231
6
Senary
20021414115
8
Octal
717605537
10
Decimal
121572191
12
Duodecimal
3486a33b
16
Hexadecimal
73f0b5f
20
Vigesimal
1hjga9b
36
Base36
20dppb
md5
9d65d216b713fb6538b38ba622c3eab5
sha1
e517631e89cec6db95b3cf95f01fe3e4b538f6d7
sha256
7234d33081b1439ee09ab23478bc4c09577d4abdc63d97d423f8ea7de398305e
sha512
b8c53ab9182032842f9997b468c830d3ceda56a4b8bb64ba674388db5313473454a238b9cb5c868d0d953f771aadd8e6d6f3164b9a8f6f70ffe3dba2df8556c7
ripemd-160
04342240cdde8cc28836d20be62d520ee4d3edbb
Diameter
243144382
Circumference
763860604.25283
Area
4.64321036388E+16
Volume
7.526470096144E+24
Surface area
1.857284145552E+17
Circumference
763860604.25283
Perimeter
486288764
Area
14779797624540481
Diagonal
171929041.31961
Surface area
88678785747242886
Volume
1.796812379752E+24
Space diagonal
210569211.59947
Perimeter
364716573
Area
6.3998401028225E+15
Altitude
105284605.79973
Surface area
6.3998401028225E+15
Volume
2.1175636970709E+23
Height
57309680.439871