29681921 is an odd 8-digits composite number following 29681920
and preceding 29681922 . In scientific notation, it is written as 2.9681921 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 29468244 positive integers (up to 29681921) that are relatively prime to 29681921.
29681921 has 4 divisors, whose sum is 29895600
The reverse of 29681921 is 12918692
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-nine million six hundred eighty-one thousand nine hundred twenty-one
Scientific notation
2.9681921 × 10^7
Engineering notation
2.9681921 × 10^6
Prime Factorization
139 × 213539
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
29681921
Product of the distinct prime numbers
The prime factorization of 29681921 is 139 × 213539.
Since it has a total of 2 prime factors.
10 , 2 , 64 , 26 , 38 , 502 , 1613 , 7966 , 38581 , 75459 , 163254 , 805802 , 7540932 , 6363633 , 12985876 , 42596745 , 796629772 , 8540457 , 5284145052 , 8321245382
n×2
59363842
n×3
89045763
n×4
118727684
n×5
148409605
n÷2
14840960.5
n÷3
9893973.6666667
n÷3
7420480.25
n÷5
5936384.2
n2
881016434250241
n3
2.6150260201117E+22
n4
7.7618995741901E+29
n5
2.3038808997104E+37
2 √n
5448.1116912193
3 √n
309.62118487174
4 √n
73.811324952335
5 √n
31.224709095706
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29681920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29681921 can be divided by 4 positive divisors.
The sum of these divisors (counting 29681921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110001001110100100000001
3
Ternary
2001211222221102
4
Quaternary
1301032210001
5
Quinary
30044310141
6
Senary
2540104145
8
Octal
161164401
10
Decimal
29681921
12
Duodecimal
9b35055
16
Hexadecimal
1c4e901
20
Vigesimal
95a4g1
36
Base36
ho6pt
md5
5e7a42877013aa21d442257c52b2889a
sha1
7859c14a10ce48d24c0944b017e4d540986b69cb
sha256
2ff9f422c1f2f0f456f48836ee493d2a07ac7de79cf6b42d900cf268e5467d62
sha512
bc3d590f86e4fd074bd54bf50e2a405b2d3f7f2a10043583a81c6ccf0b71bb1003b8a04d53b21db256b44c47c567fbd69a6d57b25381d1a394aaaf1fcff6e15b
ripemd-160
ea2ee9393b40585ad0a5bbc191ddfb61f14592b9
Diameter
59363842
Circumference
186497009.91607
Area
2.7677947575324E+15
Volume
1.0953795378306E+23
Surface area
1.107117903013E+16
Circumference
186497009.91607
Perimeter
118727684
Area
881016434250241
Diagonal
41976575.235487
Surface area
5286098605501446
Volume
2.6150260201117E+22
Space diagonal
51410595.238246
Perimeter
89045763
Area
3.8149130660615E+14
Altitude
25705297.619123
Surface area
3.8149130660615E+14
Volume
3.0818377196671E+21
Height
13992191.745162