121887842 is an even 9-digits composite number following 121887841
and preceding 121887843 . In scientific notation, it is written as 1.21887842 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 58947840 positive integers (up to 121887842) that are relatively prime to 121887842.
121887842 has 16 divisors, whose sum is 188878392
The reverse of 121887842 is 248788121
Previous prime number is 173
Is Prime? no Number parity even Number length 9 Sum of Digits 41 Digital Root 5
Name
one hundred twenty-one million eight hundred eighty-seven thousand eight hundred forty-two
Scientific notation
1.21887842 × 10^8
Engineering notation
1.21887842 × 10^6
Prime Factorization
2 × 37 × 173 × 9521
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
121887842 Product of the distinct prime numbers
The prime factorization of 121887842 is 2 × 37 × 173 × 9521.
Since it has a total of 4 prime factors.
6 , 1 , 96 , 80 , 788 , 14 , 2803 , 8148 , 56274 , 28489 , 779723 , 140512 , 1580333 , 3565642 , 6744769 , 53140006 , 441116370 , 684832874 , 9022223037 , 8268077765
n×2
243775684
n×3
365663526
n×4
487551368
n×5
609439210
n÷2
60943921
n÷3
40629280.666667
n÷3
30471960.5
n÷5
24377568.4
n2
14856646027416964
n3
1.8108445236397E+24
n4
2.2071993118396E+32
n5
2.6903076098402E+40
2 √n11040.282695656
3 √n495.81553418362
4 √n105.07274953886
5 √n41.418281703337
1 , 2 , 37 , 74 , 173 , 346 , 6401 , 9521 , 12802 , 19042 , 352277 , 704554 , 1647133 , 3294266 , 60943921 , 121887842
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-121887841 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121887842 can be divided by 16 positive divisors.
The sum of these divisors (counting 121887842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010000111101110001100010
3
Ternary
22111100112200112
4
Quaternary
13100331301202
5
Quinary
222200402332
6
Senary
20032251322
8
Octal
720756142
10
Decimal
121887842
12
Duodecimal
349a0b42
16
Hexadecimal
743dc62
20
Vigesimal
1i1fjc2
36
Base36
20kh9e
md5
5f774642776d933434f43514e1cc1e78
sha1
b4d97f021262bb920364954e0de71937b054b734
sha256
a04978de10941da065653fdcbad3c3da199a2eb0d3e8f13f68cd143ab54ef16a
sha512
84c4e4b6bc5dc5d4d3fe5bc940c1a4036ace83c3940bfbf70230fb9ee993d6acabd86583494a13cf20972616cb71db107745ceb3a9589167bec1b46ed1bd223e
ripemd-160
45881d57c91589e8952327f705b56045d975864b
Diameter
243775684
Circumference
765843897.97823
Area
4.6673530016717E+16
Volume
7.5852478030132E+24
Surface area
1.8669412006687E+17
Circumference
765843897.97823
Perimeter
487551368
Area
14856646027416964
Diagonal
172375439.24479
Surface area
89139876164501784
Volume
1.8108445236397E+24
Space diagonal
211115935.16893
Perimeter
365663526
Area
6.4331164373881E+15
Altitude
105557967.58446
Surface area
6.4331164373881E+15
Volume
2.1341007372336E+23
Height
57458479.748263