29901987 is an odd 8-digits composite number following 29901986
and preceding 29901988 . In scientific notation, it is written as 2.9901987 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 19246752 positive integers (up to 29901987) that are relatively prime to 29901987.
29901987 has 16 divisors, whose sum is 45828000
The reverse of 29901987 is 78910992
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-nine million nine hundred one thousand nine hundred eighty-seven
Scientific notation
2.9901987 × 10^7
Engineering notation
2.9901987 × 10^6
Prime Factorization
3 × 9 × 29 × 38189
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29901987
Product of the distinct prime numbers
The prime factorization of 29901987 is 3 × 9 × 29 × 38189.
Since it has a total of 4 prime factors.
7 , 3 , 24 , 45 , 235 , 73 , 8173 , 6975 , 95505 , 47299 , 64062 , 430147 , 5459559 , 1317330 , 16523486 , 87305946 , 106132747 , 330276640 , 435950592 , 628568800
n×2
59803974
n×3
89705961
n×4
119607948
n×5
149509935
n÷2
14950993.5
n÷3
9967329
n÷3
7475496.75
n÷5
5980397.4
n2
894128826548169
n3
2.6736228547769E+22
n4
7.9946635846441E+29
n5
2.390563265774E+37
2 √n
5468.2709333024
3 √n
310.38449343192
4 √n
73.947758135743
5 √n
31.270873281064
1 , 3 , 9 , 27 , 29 , 87 , 261 , 783 , 38189 , 114567 , 343701 , 1031103 , 1107481 , 3322443 , 9967329 , 29901987
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
-29901986
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 29901987 can be divided by 16 positive divisors.
The sum of these divisors (counting 29901987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110010000100010010100011
3
Ternary
2002021011211000
4
Quaternary
1302010102203
5
Quinary
30123330422
6
Senary
2544523043
8
Octal
162042243
10
Decimal
29901987
12
Duodecimal
a020483
16
Hexadecimal
1c844a3
20
Vigesimal
96hej7
36
Base36
hswir
md5
84bedf15844b001145b6744cd56ae79a
sha1
8cb82855eb410d42347a738d8f3229786f353901
sha256
28a7fd7d02d7a2dce73f4773bc140bd6cdaccb3b3f82e63007e7871469da7a12
sha512
3ea45331a13bba3eee959b686a9d4f246f81ebaa66cf463214dfb7ff7341c127b8ca74a97260bd5e4061eca41435ebdac21f04ddcbaf1da0fcfcd46ea21d79df
ripemd-160
3cff9d9c142321659695f1d262af35b289e58428
Diameter
59803974
Circumference
187879725.37387
Area
2.8089885528466E+15
Volume
1.1199245225382E+23
Surface area
1.1235954211386E+16
Circumference
187879725.37387
Perimeter
119607948
Area
894128826548169
Diagonal
42287795.557304
Surface area
5364772959289014
Volume
2.6736228547769E+22
Space diagonal
51791760.731264
Perimeter
89705961
Area
3.8716913902334E+14
Altitude
25895880.365632
Surface area
3.8716913902334E+14
Volume
3.1508947515801E+21
Height
14095931.852435