29121990 is an even 8-digits composite number following 29121989
and preceding 29121991 . In scientific notation, it is written as 2.9121990 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 7734240 positive integers (up to 29121990) that are relatively prime to 29121990.
29121990 has 16 divisors, whose sum is 46785024
The reverse of 29121990 is 09912192
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-nine million one hundred twenty-one thousand nine hundred ninety
Scientific notation
2.9121990 × 10^7
Engineering notation
2.9121990 × 10^6
Prime Factorization
2 × 15 × 263 × 3691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29121990
Product of the distinct prime numbers
The prime factorization of 29121990 is 2 × 15 × 263 × 3691.
Since it has a total of 4 prime factors.
4 , 9 , 93 , 91 , 683 , 484 , 5078 , 9138 , 46745 , 888 , 86569 , 725606 , 5046296 , 2538637 , 68712940 , 17025859 , 161040594 , 338171365 , 1077465413 , 6686233099
n×2
58243980
n×3
87365970
n×4
116487960
n×5
145609950
n÷2
14560995
n÷3
9707330
n÷3
7280497.5
n÷5
5824398
n2
848090301560100
n3
2.469807728113E+22
n4
7.192571596003E+29
n5
2.0946199809308E+37
2 √n
5396.4794079103
3 √n
307.66187524337
4 √n
73.46073378282
5 √n
31.106003009556
1 , 2 , 15 , 30 , 263 , 526 , 3691 , 3945 , 7382 , 7890 , 55365 , 110730 , 970733 , 1941466 , 14560995 , 29121990
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
-29121989
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 29121990 can be divided by 16 positive divisors.
The sum of these divisors (counting 29121990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101111000101110111000110
3
Ternary
2000210112212020
4
Quaternary
1233011313012
5
Quinary
24423400430
6
Senary
2520104010
8
Octal
157056706
10
Decimal
29121990
12
Duodecimal
9905006
16
Hexadecimal
1bc5dc6
20
Vigesimal
9204ja
36
Base36
hc6o6
md5
650d593d92f1ea6216d392b52e84091e
sha1
e645c70dab9bef113880e3ebd83ca8eabf92ea0a
sha256
7f800bf7b4208f9da95deb5165994c00db32311dad4631a6ad3ee67ac3826be7
sha512
173951b8381addca19bf83c242624f717e035cedacfdeb904132bccc224418f709ae31a88ab2dfd31d69c57fe8910925035af739bdde4029b9d683d92a25f706
ripemd-160
8e529795ae8e1357572ffb39160e4b3abbf71bfa
Diameter
58243980
Circumference
182978859.68383
Area
2.664354260962E+15
Volume
1.0345506419226E+23
Surface area
1.0657417043848E+16
Circumference
182978859.68383
Perimeter
116487960
Area
848090301560100
Diagonal
41184713.221294
Surface area
5088541809360600
Volume
2.469807728113E+22
Space diagonal
50440766.297513
Perimeter
87365970
Area
3.6723387292713E+14
Altitude
25220383.148756
Surface area
3.6723387292713E+14
Volume
2.9106963212928E+21
Height
13728237.740431