30851913 is an odd 8-digits composite number following 30851912
and preceding 30851914 . In scientific notation, it is written as 3.0851913 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 19768320 positive integers (up to 30851913) that are relatively prime to 30851913.
30851913 has 16 divisors, whose sum is 42753536
The reverse of 30851913 is 31915803
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty million eight hundred fifty-one thousand nine hundred thirteen
Scientific notation
3.0851913 × 10^7
Engineering notation
3.0851913 × 10^6
Prime Factorization
3 × 31 × 157 × 2113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30851913
Product of the distinct prime numbers
The prime factorization of 30851913 is 3 × 31 × 157 × 2113.
Since it has a total of 4 prime factors.
9 , 5 , 31 , 33 , 315 , 562 , 2719 , 3289 , 97968 , 3506 , 706772 , 248930 , 6949358 , 7184859 , 25086595 , 63563075 , 91737592 , 471076781 , 1126302312 , 9153420485
n×2
61703826
n×3
92555739
n×4
123407652
n×5
154259565
n÷2
15425956.5
n÷3
10283971
n÷3
7712978.25
n÷5
6170382.6
n2
951840535759569
n3
2.9366101399128E+22
n4
9.0600040551506E+29
n5
2.7951845688915E+37
2 √n
5554.4498377427
3 √n
313.63705410094
4 √n
74.528181500307
5 √n
31.467078213716
1 , 3 , 31 , 93 , 157 , 471 , 2113 , 4867 , 6339 , 14601 , 65503 , 196509 , 331741 , 995223 , 10283971 , 30851913
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
-30851912
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 30851913 can be divided by 16 positive divisors.
The sum of these divisors (counting 30851913) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101101100001101001001
3
Ternary
2011001102212110
4
Quaternary
1311230031021
5
Quinary
30344230123
6
Senary
3021132533
8
Octal
165541511
10
Decimal
30851913
12
Duodecimal
a3ba149
16
Hexadecimal
1d6c349
20
Vigesimal
9cg9fd
36
Base36
id9hl
md5
122db8c82e53e1afaddf235a25b54cac
sha1
c12947dcd8a6b5c2e7be73b8c1ef45e64579bd57
sha256
b8c390d827dc54d28e30b2220f670f8e13aaba5f607b2e099fffce0c640c6298
sha512
df302937355dc01f03e390f1d980a956623ec6246bf89f733743fc31db63766f78237b32835e0f927ddbc7c89a0d091173265633d737a59e92c4319538bda722
ripemd-160
cfc90701ed475e46366800922b6d50ec054ccc47
Diameter
61703826
Circumference
193848286.45998
Area
2.9902952345312E+15
Volume
1.2300843789343E+23
Surface area
1.1961180938125E+16
Circumference
193848286.45998
Perimeter
123407652
Area
951840535759569
Diagonal
43631193.789755
Surface area
5711043214557414
Volume
2.9366101399128E+22
Space diagonal
53437080.826695
Perimeter
92555739
Area
4.1215904215979E+14
Altitude
26718540.413347
Surface area
4.1215904215979E+14
Volume
3.4608282393891E+21
Height
14543731.263252