29927981 is an odd 8-digits composite number following 29927980
and preceding 29927982 . In scientific notation, it is written as 2.9927981 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 29771100 positive integers (up to 29927981) that are relatively prime to 29927981.
29927981 has 4 divisors, whose sum is 30084864
The reverse of 29927981 is 18972992
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-nine million nine hundred twenty-seven thousand nine hundred eighty-one
Scientific notation
2.9927981 × 10^7
Engineering notation
2.9927981 × 10^6
Prime Factorization
191 × 156691
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
29927981
Product of the distinct prime numbers
The prime factorization of 29927981 is 191 × 156691.
Since it has a total of 2 prime factors.
8 , 7 , 80 , 64 , 327 , 912 , 5633 , 4353 , 88297 , 78647 , 974279 , 693796 , 3046360 , 6824138 , 22908749 , 52591202 , 603466882 , 231403143 , 2750245339 , 7384078229
n×2
59855962
n×3
89783943
n×4
119711924
n×5
149639905
n÷2
14963990.5
n÷3
9975993.6666667
n÷3
7481995.25
n÷5
5985596.2
n2
895684046736361
n3
2.6806015132729E+22
n4
8.0224991157802E+29
n5
2.4009720110959E+37
2 √n
5470.6472194796
3 √n
310.47440716414
4 √n
73.963823721328
5 √n
31.276308187976
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
-29927980
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 29927981 can be divided by 4 positive divisors.
The sum of these divisors (counting 29927981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110010001010101000101101
3
Ternary
2002022111110202
4
Quaternary
1302022220231
5
Quinary
30130143411
6
Senary
2545243245
8
Octal
162125055
10
Decimal
29927981
12
Duodecimal
a033525
16
Hexadecimal
1c8aa2d
20
Vigesimal
970jj1
36
Base36
htgkt
md5
2e1fe60dd3b3aac2bd524978de388373
sha1
1326548567efab4058ba8c48ca8d1b82308da4d7
sha256
9feec7153399c6babcdc9ec86a8b404349d603e1e2c813c9e3d923275f94e14f
sha512
675116375c1cfc39af1bbe050692aa3e6c7508dbfb58f3a6f5d0588e2a9cd1ff942044401d17edb4f354ea9ebf3eed5ea57b9d2a4c62ebd7eb811854035602d9
ripemd-160
7e9713f567717956a26196b4af36ec498e2b137b
Diameter
59855962
Circumference
188043050.49275
Area
2.8138744211645E+15
Volume
1.1228477361733E+23
Surface area
1.1255497684658E+16
Circumference
188043050.49275
Perimeter
119711924
Area
895684046736361
Diagonal
42324556.624644
Surface area
5374104280418166
Volume
2.6806015132729E+22
Space diagonal
51836783.659956
Perimeter
89783943
Area
3.8784256911907E+14
Altitude
25918391.829978
Surface area
3.8784256911907E+14
Volume
3.1591191794903E+21
Height
14108185.541548