121661591 is an odd 9-digits composite number following 121661590
and preceding 121661592 . In scientific notation, it is written as 1.21661591 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 121584000 positive integers (up to 121661591) that are relatively prime to 121661591.
121661591 has 4 divisors, whose sum is 121739184
The reverse of 121661591 is 195166121
Previous prime number is 1601
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-one million six hundred sixty-one thousand five hundred ninety-one
Scientific notation
1.21661591 × 10^8
Engineering notation
1.21661591 × 10^6
Prime Factorization
1601 × 75991
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121661591
Product of the distinct prime numbers
The prime factorization of 121661591 is 1601 × 75991.
Since it has a total of 2 prime factors.
9 , 1 , 91 , 19 , 3 , 472 , 5967 , 5164 , 61638 , 45559 , 336730 , 122919 , 2653700 , 9097321 , 2567230 , 31959051 , 492997061 , 136077537 , 9037606726 , 9669116878
n×2
243323182
n×3
364984773
n×4
486646364
n×5
608307955
n÷2
60830795.5
n÷3
40553863.666667
n÷3
30415397.75
n÷5
24332318.2
n2
14801542724651281
n3
1.8007792371355E+24
n4
2.1908566702968E+32
n5
2.6654310816127E+40
2 √n
11030.031323618
3 √n
495.50856279133
4 √n
105.0239559511
5 √n
41.402893961506
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
-121661590
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 121661591 can be divided by 4 positive divisors.
The sum of these divisors (counting 121661591) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010000000110100010010111
3
Ternary
22110221001022212
4
Quaternary
13100012202113
5
Quinary
222121132331
6
Senary
20023344035
8
Octal
720064227
10
Decimal
121661591
12
Duodecimal
348b201b
16
Hexadecimal
7406897
20
Vigesimal
1i07djb
36
Base36
20fmon
md5
3b18a8a0798cc2ccb688b1ea46cba044
sha1
cd3e2e6084fd5207eec5c3a936deb09f1125951e
sha256
6ac986db781d50e7efae938e0e641a43a56063a068baebc78a567758a57a446f
sha512
b96b131793179a96471edde955b31659284ecdd08f20d51f53b2280442fa0a20ae64babe1494e322a7413e07f71b0938469dcb0437b2204281fe5b2358da3708
ripemd-160
4f991cb3be935a5f64d83a9eadcb2aed482e72fc
Diameter
243323182
Circumference
764422321.01929
Area
4.650041788556E+16
Volume
7.5430864294961E+24
Surface area
1.8600167154224E+17
Circumference
764422321.01929
Perimeter
486646364
Area
14801542724651281
Diagonal
172055472.01209
Surface area
88809256347907686
Volume
1.8007792371355E+24
Space diagonal
210724056.94166
Perimeter
364984773
Area
6.4092560073744E+15
Altitude
105362028.47083
Surface area
6.4092560073744E+15
Volume
2.1222386833308E+23
Height
57351824.004029