29121281 is an odd 8-digits composite number following 29121280
and preceding 29121282 . In scientific notation, it is written as 2.9121281 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 23541840 positive integers (up to 29121281) that are relatively prime to 29121281.
29121281 has 16 divisors, whose sum is 35189760
The reverse of 29121281 is 18212192
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-nine million one hundred twenty-one thousand two hundred eighty-one
Scientific notation
2.9121281 × 10^7
Engineering notation
2.9121281 × 10^6
Prime Factorization
7 × 19 × 347 × 631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29121281
Product of the distinct prime numbers
The prime factorization of 29121281 is 7 × 19 × 347 × 631.
Since it has a total of 4 prime factors.
10 , 2 , 16 , 28 , 188 , 574 , 2984 , 3764 , 28541 , 79609 , 942195 , 159235 , 2582040 , 1200852 , 14147294 , 43197881 , 829623945 , 922144568 , 5053564534 , 6453800320
n×2
58242562
n×3
87363843
n×4
116485124
n×5
145606405
n÷2
14560640.5
n÷3
9707093.6666667
n÷3
7280320.25
n÷5
5824256.2
n2
848049007080961
n3
2.4696273436976E+22
n4
7.19187118411E+29
n5
2.0943650166827E+37
2 √n
5396.4137165343
3 √n
307.65937845841
4 √n
73.460286662484
5 √n
31.105851547579
1 , 7 , 19 , 133 , 347 , 631 , 2429 , 4417 , 6593 , 11989 , 46151 , 83923 , 218957 , 1532699 , 4160183 , 29121281
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
-29121280
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 29121281 can be divided by 16 positive divisors.
The sum of these divisors (counting 29121281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101111000101101100000001
3
Ternary
2000210111212222
4
Quaternary
1233011230001
5
Quinary
24423340111
6
Senary
2520100425
8
Octal
157055401
10
Decimal
29121281
12
Duodecimal
9904715
16
Hexadecimal
1bc5b01
20
Vigesimal
920341
36
Base36
hc64h
md5
9df86d9ecb9b97627accaea48b561ef1
sha1
da33678d08b99b4753834e4b17615ff161774ce2
sha256
8a65bd009912b3ba3caa44dd95545aa3d81c2509eaa0498fbd26756721444903
sha512
8875ff467fbf588a4a3fda25084c06380eb299c8986a12bc7c21ed605b2ad80856a233661c504915ce4fc5965057db99261039e39d3b75b75b0fcf67e1a92e10
ripemd-160
082ce8bfd728547c3126206cc20d730ff0e68574
Diameter
58242562
Circumference
182974404.90545
Area
2.6642245305297E+15
Volume
1.0344750826753E+23
Surface area
1.0656898122119E+16
Circumference
182974404.90545
Perimeter
116485124
Area
848049007080961
Diagonal
41183710.543878
Surface area
5088294042485766
Volume
2.4696273436976E+22
Space diagonal
50439538.27349
Perimeter
87363843
Area
3.6721599189314E+14
Altitude
25219769.136745
Surface area
3.6721599189314E+14
Volume
2.9104837362204E+21
Height
13727903.514626