12291387 is an odd 8-digits composite number following 12291386
and preceding 12291388 . In scientific notation, it is written as 1.2291387 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 8095368 positive integers (up to 12291387) that are relatively prime to 12291387.
12291387 has 8 divisors, whose sum is 16586304
The reverse of 12291387 is 78319221
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million two hundred ninety-one thousand three hundred eighty-seven
Scientific notation
1.2291387 × 10^7
Engineering notation
1.2291387 × 10^6
Prime Factorization
3 × 83 × 49363
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12291387
Product of the distinct prime numbers
The prime factorization of 12291387 is 3 × 83 × 49363.
Since it has a total of 3 prime factors.
10 , 2 , 7 , 45 , 943 , 507 , 9810 , 3441 , 38669 , 57045 , 803083 , 985141 , 3214670 , 8089070 , 90829444 , 27304498 , 853247750 , 243849266 , 2166299795 , 843259598
n×2
24582774
n×3
36874161
n×4
49165548
n×5
61456935
n÷2
6145693.5
n÷3
4097129
n÷3
3072846.75
n÷5
2458277.4
n2
151078194383769
n3
1.8569605544321E+21
n4
2.282462081826E+28
n5
2.8054624760549E+35
2 √n
3505.9074431593
3 √n
230.78113112135
4 √n
59.210703788752
5 √n
26.177018418311
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
-12291386
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 12291387 can be divided by 8 positive divisors.
The sum of these divisors (counting 12291387) is 1, the average is 0.125.
Base
System
Value
2
Binary
101110111000110100111011
3
Ternary
212010110121120
4
Quaternary
232320310323
5
Quinary
11121311022
6
Senary
1115240323
8
Octal
56706473
10
Decimal
12291387
12
Duodecimal
41490a3
16
Hexadecimal
bb8d3b
20
Vigesimal
3gg897
36
Base36
7bg3f
md5
c75194b1d7ea105b99eeba717c63fdba
sha1
ec0fd3b6a4f8ff3c064519b52c74072744026646
sha256
20827fa515e262774a05b080a86c2c1fa2a472e5047f65ac4fc48c899fb67027
sha512
aa0b4973aaf5d4028f2b37c4b186bb2e219e219ca6131bb3408a6c300aa9e16895d60f18005f59e4d7607fb1f0eac3aca8cfb8a477d36f2ccfbca2c9b7a874a5
ripemd-160
ab04cf4bc3d392c668f7093104d7965d9f48b2f4
Diameter
24582774
Circumference
77229062.203258
Area
4.7462614559366E+14
Volume
7.77841818108E+21
Surface area
1.8985045823746E+15
Circumference
77229062.203258
Perimeter
49165548
Area
151078194383769
Diagonal
17382646.195776
Surface area
906469166302614
Volume
1.8569605544321E+21
Space diagonal
21289306.779492
Perimeter
36874161
Area
65418777147114
Altitude
10644653.389746
Surface area
65418777147114
Volume
2.1884490007248E+20
Height
5794215.3985921