29901981 is an odd 8-digits composite number following 29901980
and preceding 29901982 . In scientific notation, it is written as 2.9901981 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 19934652 positive integers (up to 29901981) that are relatively prime to 29901981.
29901981 has 4 divisors, whose sum is 39869312
The reverse of 29901981 is 18910992
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-nine million nine hundred one thousand nine hundred eighty-one
Scientific notation
2.9901981 × 10^7
Engineering notation
2.9901981 × 10^6
Prime Factorization
3 × 9967327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
29901981
Product of the distinct prime numbers
The prime factorization of 29901981 is 3 × 9967327.
Since it has a total of 2 prime factors.
5 , 6 , 95 , 30 , 544 , 878 , 4073 , 1612 , 85779 , 41255 , 317093 , 814097 , 2099858 , 5841103 , 85653536 , 34447470 , 852646378 , 321494442 , 1755162838 , 1266517004
n×2
59803962
n×3
89705943
n×4
119607924
n×5
149509905
n÷2
14950990.5
n÷3
9967327
n÷3
7475495.25
n÷5
5980396.2
n2
894128467724361
n3
2.6736212453453E+22
n4
7.9946571679511E+29
n5
2.3905608673759E+37
2 √n
5468.2703846829
3 √n
310.3844726718
4 √n
73.947754426236
5 √n
31.270872026129
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
-29901980
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 29901981 can be divided by 4 positive divisors.
The sum of these divisors (counting 29901981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110010000100010010011101
3
Ternary
2002021011210210
4
Quaternary
1302010102131
5
Quinary
30123330411
6
Senary
2544523033
8
Octal
162042235
10
Decimal
29901981
12
Duodecimal
a020479
16
Hexadecimal
1c8449d
20
Vigesimal
96hej1
36
Base36
hswil
md5
cdb94cf799fe7d1286752c27f25f9cf9
sha1
6018dfe69202ccb8eb35f5c843047477437e7f58
sha256
d26a1faf5c87a8c89a4031103b7c58ab9482a925c741dc607f6ba9af3f707fdc
sha512
a3af311b526f57b462130b0251b445706587cac1036e1d90eb02c4e81ab782c721c18b97a2f46489feba988bda0fbd36e937701c510416ffe95827a90fde7d52
ripemd-160
9936e33ef70fc7d9f8e7b3ea426d4ea797d564bd
Diameter
59803962
Circumference
187879687.67476
Area
2.8089874255684E+15
Volume
1.1199238483811E+23
Surface area
1.1235949702273E+16
Circumference
187879687.67476
Perimeter
119607924
Area
894128467724361
Diagonal
42287787.072023
Surface area
5364770806346166
Volume
2.6736212453453E+22
Space diagonal
51791750.338959
Perimeter
89705943
Area
3.8716898364808E+14
Altitude
25895875.16948
Surface area
3.8716898364808E+14
Volume
3.1508928548468E+21
Height
14095929.024008