30996891 is an odd 8-digits composite number following 30996890
and preceding 30996892 . In scientific notation, it is written as 3.0996891 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 20273760 positive integers (up to 30996891) that are relatively prime to 30996891.
30996891 has 16 divisors, whose sum is 46789920
The reverse of 30996891 is 19869903
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty million nine hundred ninety-six thousand eight hundred ninety-one
Scientific notation
3.0996891 × 10^7
Engineering notation
3.0996891 × 10^6
Prime Factorization
3 × 3 × 3 × 53 × 21661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3444099
Product of the distinct prime numbers
The prime factorization of 30996891 is 3 × 3 × 3 × 53 × 21661.
Since it has a total of 5 prime factors.
4 , 6 , 47 , 58 , 414 , 454 , 861 , 7826 , 639 , 85206 , 620297 , 937811 , 3791316 , 8248500 , 19003838 , 99087227 , 683531445 , 228751129 , 8589258067 , 5637818320
n×2
61993782
n×3
92990673
n×4
123987564
n×5
154984455
n÷2
15498445.5
n÷3
10332297
n÷3
7749222.75
n÷5
6199378.2
n2
960807251665881
n3
2.9782037651897E+22
n4
9.2315057485374E+29
n5
2.8614797745329E+37
2 √n
5567.4851593875
3 √n
314.12756321875
4 √n
74.615582550748
5 √n
31.496596532899
1 , 3 , 9 , 27 , 53 , 159 , 477 , 1431 , 21661 , 64983 , 194949 , 584847 , 1148033 , 3444099 , 10332297 , 30996891
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
-30996890
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 30996891 can be divided by 16 positive divisors.
The sum of these divisors (counting 30996891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110001111100110011011
3
Ternary
2011022210202000
4
Quaternary
1312033212123
5
Quinary
30413400031
6
Senary
3024212043
8
Octal
166174633
10
Decimal
30996891
12
Duodecimal
a46a023
16
Hexadecimal
1d8f99b
20
Vigesimal
9dec4b
36
Base36
igdcr
md5
da60abf276fd04d9f8ccf8247c4ed307
sha1
37eabd917f6f28b12f806bfb42d2f27e56ac6ea6
sha256
5e782561017a210456f1afa1561b89af130b19f026cc24d67ddae41b7a53cabb
sha512
1d6d68d4dcef274523d59edfdd4c127fc86336118f1bf18942059e3a289fff8d2c75b660d51ab8eb2bd9c0a1360f1cc779f3a92e616b096a72f723ee500b98c5
ripemd-160
014ffb6ef82ff30afeb9f50380ba503ab0ba666b
Diameter
61993782
Circumference
194759210.09945
Area
3.0184650033493E+15
Volume
1.2475070759485E+23
Surface area
1.2073860013397E+16
Circumference
194759210.09945
Perimeter
123987564
Area
960807251665881
Diagonal
43836223.643601
Surface area
5764843509995286
Volume
2.9782037651897E+22
Space diagonal
53688190.088674
Perimeter
92990673
Area
4.1604174404148E+14
Altitude
26844095.044337
Surface area
4.1604174404148E+14
Volume
3.5098467968682E+21
Height
14612074.547867