121640 is an even 6-digits composite number following 121639
and preceding 121641 . In scientific notation, it is written as 1.21640 × 10^5.
The sum of its digits is 14. It has a total of 5 prime factors and 16 positive divisors.
There are 48640 positive integers (up to 121640) that are relatively prime to 121640.
121640 has 16 divisors, whose sum is 273780
The reverse of 121640 is 046121
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 14
Digital Root 5
Name
one hundred twenty-one thousand six hundred forty
Scientific notation
1.21640 × 10^5
Engineering notation
1.21640 × 10^3
Prime Factorization
2 × 2 × 2 × 5 × 3041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30410
Product of the distinct prime numbers
The prime factorization of 121640 is 2 × 2 × 2 × 5 × 3041.
Since it has a total of 5 prime factors.
3 , 3 , 36 , 31 , 412 , 447 , 263 , 5200 , 32700 , 30408 , 3218 , 424006 , 8283323 , 444008 , 62808638 , 85506741 , 362847746 , 382532769 , 527980254 , 4548341273
n×2
243280
n×3
364920
n×4
486560
n×5
608200
n÷2
60820
n÷3
40546.666666667
n÷3
30410
n÷5
24328
n2
14796289600
n3
1799820666944000
n4
2.1893018592707E+20
n5
2.6630667816169E+25
2 √n
348.76926470089
3 √n
49.547924880589
4 √n
18.675365182531
5 √n
10.399567599983
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 3041 , 6082 , 12164 , 15205 , 24328 , 30410 , 60820 , 121640
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
-121639
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 121640 can be divided by 16 positive divisors.
The sum of these divisors (counting 121640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101101100101000
3
Ternary
20011212012
4
Quaternary
131230220
5
Quinary
12343030
6
Senary
2335052
8
Octal
355450
10
Decimal
121640
12
Duodecimal
5a488
16
Hexadecimal
1db28
20
Vigesimal
f420
36
Base36
2luw
md5
1858432f025e72a4c1a58cec49aa4e86
sha1
301175186b3cb046f6ac80f762120641eda15b49
sha256
6510214b61466bc315a519fb66dcbe833c30de8eb92f0335c158957e452f50aa
sha512
fa9b00bd72a4a8d166a6d2b5729c62f2fc8947fd2926eea6198c607be4bd5533e17ada72dd76590b2bfa8d56bbf52ac2cda3ffb30467273ae29ba5353b6c0602
ripemd-160
d5e4f58906381e4819bd7ce36b0bfac6b7062a06
Diameter
243280
Circumference
764286.66076532
Area
46483914707.747
Volume
7.5390711800671E+15
Surface area
185935658830.99
Circumference
764286.66076532
Perimeter
486560
Area
14796289600
Diagonal
172024.93772706
Surface area
88777737600
Volume
1799820666944000
Space diagonal
210686.66023268
Perimeter
364920
Area
6406981337.6757
Altitude
105343.33011634
Surface area
6406981337.6757
Volume
2.1211089975263E+14
Height
57341.645909021