11881981 is an odd 8-digits composite number following 11881980
and preceding 11881982 . In scientific notation, it is written as 1.1881981 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 11590128 positive integers (up to 11881981) that are relatively prime to 11881981.
11881981 has 8 divisors, whose sum is 12177440
The reverse of 11881981 is 18918811
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eleven million eight hundred eighty-one thousand nine hundred eighty-one
Scientific notation
1.1881981 × 10^7
Engineering notation
1.1881981 × 10^6
Prime Factorization
67 × 109 × 1627
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
11881981
Product of the distinct prime numbers
The prime factorization of 11881981 is 67 × 109 × 1627.
Since it has a total of 3 prime factors.
4 , 4 , 3 , 53 , 91 , 754 , 5093 , 2454 , 77032 , 10144 , 302191 , 870371 , 3232317 , 7434958 , 14429900 , 71748213 , 904681167 , 380761113 , 9893350717 , 7136937214
n×2
23763962
n×3
35645943
n×4
47527924
n×5
59409905
n÷2
5940990.5
n÷3
3960660.3333333
n÷3
2970495.25
n÷5
2376396.2
n2
141181472484361
n3
1.6775155736112E+21
n4
1.9932208172852E+28
n5
2.3683411879788E+35
2 √n
3447.0249491409
3 √n
228.18982985127
4 √n
58.71136984555
5 √n
26.000264778753
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-11881980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 11881981 can be divided by 8 positive divisors.
The sum of these divisors (counting 11881981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101101010100110111111101
3
Ternary
211100200000101
4
Quaternary
231110313331
5
Quinary
11020210411
6
Senary
1102401101
8
Octal
55246775
10
Decimal
11881981
12
Duodecimal
3b90191
16
Hexadecimal
b54dfd
20
Vigesimal
3e54j1
36
Base36
72o71
md5
2ab1d46c28f14b2d82274da1b0dfa646
sha1
3efe6e1ac63c25ad002aea1bdc843d3ae7712e67
sha256
21c0c991dc0b0a76c5ce767d8e2826b9f2e2e3b5c4c982e448bd398e06b09c09
sha512
fe0de7dfa41871ad883fb17d9ce825eb3e6973311724ab800df0babcf238cb666fc4f8708e9cd01b5df6d9c7455586826063da1b603233876ce45c1f836c4f83
ripemd-160
6d0a7f0fc92dd7c5c8364b5644f1ce47f1231290
Diameter
23763962
Circumference
74656688.439387
Area
4.4353467677986E+14
Volume
7.0267608031192E+21
Surface area
1.7741387071194E+15
Circumference
74656688.439387
Perimeter
47527924
Area
141181472484361
Diagonal
16803658.678059
Surface area
847088834906166
Volume
1.6775155736112E+21
Space diagonal
20580194.786568
Perimeter
35645943
Area
61133370857575
Altitude
10290097.393284
Surface area
61133370857575
Volume
1.9769710627442E+20
Height
5601219.5593531