29121387 is an odd 8-digits composite number following 29121386
and preceding 29121388 . In scientific notation, it is written as 2.9121387 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 19398120 positive integers (up to 29121387) that are relatively prime to 29121387.
29121387 has 8 divisors, whose sum is 38860800
The reverse of 29121387 is 78312192
Previous prime number is 1471
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-nine million one hundred twenty-one thousand three hundred eighty-seven
Scientific notation
2.9121387 × 10^7
Engineering notation
2.9121387 × 10^6
Prime Factorization
3 × 1471 × 6599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29121387
Product of the distinct prime numbers
The prime factorization of 29121387 is 3 × 1471 × 6599.
Since it has a total of 3 prime factors.
9 , 6 , 80 , 15 , 48 , 638 , 1864 , 5375 , 8242 , 7702 , 289239 , 664995 , 239959 , 3902920 , 66990466 , 97197438 , 862169594 , 47851653 , 1520779259 , 385684520
n×2
58242774
n×3
87364161
n×4
116485548
n×5
145606935
n÷2
14560693.5
n÷3
9707129
n÷3
7280346.75
n÷5
5824277.4
n2
848055180803769
n3
2.4696543117542E+22
n4
7.1919758968811E+29
n5
2.0944031338775E+37
2 √n
5396.4235378628
3 √n
307.65975174619
4 √n
73.460353510331
5 √n
31.105874192293
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
-29121386
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 29121387 can be divided by 8 positive divisors.
The sum of these divisors (counting 29121387) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101111000101101101101011
3
Ternary
2000210112000220
4
Quaternary
1233011231223
5
Quinary
24423341022
6
Senary
2520101123
8
Octal
157055553
10
Decimal
29121387
12
Duodecimal
99047a3
16
Hexadecimal
1bc5b6b
20
Vigesimal
920397
36
Base36
hc67f
md5
02cdff1ad4df9c5161cb5826aa4db2b5
sha1
45a26564d7b6d5e4efa6e4ba87e0d8d74ce638e4
sha256
274429054fc8a62c0d076f6d5e6a6db4b1dcd91c1502b671da21446372e28ac2
sha512
3631a6f7a31754043a2700f79807d4bf7fc41a3124ec84ef1307bdebeba0cb052c2cb03a2801aacd185b12b57b6e168333ae0a550e5b2c95ce7eaff642d7c86a
ripemd-160
3a7891eef065be11c850e81b45e31c66d322ebb9
Diameter
58242774
Circumference
182975070.92309
Area
2.6642439258519E+15
Volume
1.0344863790284E+23
Surface area
1.0656975703408E+16
Circumference
182975070.92309
Perimeter
116485548
Area
848055180803769
Diagonal
41183860.450516
Surface area
5088331084822614
Volume
2.4696543117542E+22
Space diagonal
50439721.870876
Perimeter
87364161
Area
3.6721866519353E+14
Altitude
25219860.935438
Surface area
3.6721866519353E+14
Volume
2.9105155183799E+21
Height
13727953.483505