121540881 is an odd 9-digits composite number following 121540880
and preceding 121540882 . In scientific notation, it is written as 1.21540881 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 62187840 positive integers (up to 121540881) that are relatively prime to 121540881.
121540881 has 16 divisors, whose sum is 140995008
The reverse of 121540881 is 188045121
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-one million five hundred forty thousand eight hundred eighty-one
Scientific notation
1.21540881 × 10^8
Engineering notation
1.21540881 × 10^6
Prime Factorization
21 × 11 × 67 × 7853
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121540881
Product of the distinct prime numbers
The prime factorization of 121540881 is 21 × 11 × 67 × 7853.
Since it has a total of 4 prime factors.
1 , 2 , 96 , 31 , 489 , 419 , 6380 , 8654 , 55107 , 15742 , 473483 , 73060 , 3826056 , 1073827 , 63127017 , 8040185 , 944733618 , 203544260 , 3988658667 , 1822046551
n×2
243081762
n×3
364622643
n×4
486163524
n×5
607704405
n÷2
60770440.5
n÷3
40513627
n÷3
30385220.25
n÷5
24308176.2
n2
14772185754256161
n3
1.7954244708679E+24
n4
2.1821747195825E+32
n5
2.6522343791398E+40
2 √n
11024.558086382
3 √n
495.34463093549
4 √n
104.99789562835
5 √n
41.39467488771
1 , 11 , 21 , 67 , 231 , 737 , 1407 , 7853 , 15477 , 86383 , 164913 , 526151 , 1814043 , 5787661 , 11049171 , 121540881
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
-121540880
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 121540881 can be divided by 16 positive divisors.
The sum of these divisors (counting 121540881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111001111101001000100010001
3
Ternary
22110200220202010
4
Quaternary
13033221010101
5
Quinary
222103302011
6
Senary
20021013133
8
Octal
717510421
10
Decimal
121540881
12
Duodecimal
348541a9
16
Hexadecimal
73e9111
20
Vigesimal
1hjcc41
36
Base36
20d1jl
md5
a1761be539c2a5e28c20a8e122062438
sha1
b68ce3c8023f2303e6559fe1ba6fc48158176a24
sha256
3f0a40ac46a71d21758d092018c20fc0fb5a92d43689edcb174e7b0652a67f86
sha512
02730eac5b85a4d05bde9ed3df73084091e9d8bdcc1f38503a92669f94d01d7e9f81043c7a6af682f2d132c2cac96b2ef3eb84909eca7b868fd12ac6f2593411
ripemd-160
e959eac09f69acc06a7b8788c7312c1ee655ed41
Diameter
243081762
Circumference
763663877.72086
Area
4.6408190243035E+16
Volume
7.5206564370054E+24
Surface area
1.8563276097214E+17
Circumference
763663877.72086
Perimeter
486163524
Area
14772185754256161
Diagonal
171884762.29297
Surface area
88633114525536966
Volume
1.7954244708679E+24
Space diagonal
210514981.08868
Perimeter
364622643
Area
6.3965440663042E+15
Altitude
105257490.54434
Surface area
6.3965440663042E+15
Volume
2.115928030765E+23
Height
57294920.764325