30487987 is an odd 8-digits composite number following 30487986
and preceding 30487988 . In scientific notation, it is written as 3.0487987 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 28509312 positive integers (up to 30487987) that are relatively prime to 30487987.
30487987 has 8 divisors, whose sum is 32489856
The reverse of 30487987 is 78978403
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirty million four hundred eighty-seven thousand nine hundred eighty-seven
Scientific notation
3.0487987 × 10^7
Engineering notation
3.0487987 × 10^6
Prime Factorization
17 × 157 × 11423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30487987
Product of the distinct prime numbers
The prime factorization of 30487987 is 17 × 157 × 11423.
Since it has a total of 3 prime factors.
6 , 2 , 94 , 96 , 674 , 562 , 705 , 6135 , 70861 , 3713 , 159999 , 391288 , 4963941 , 1630122 , 9942245 , 75887599 , 371100882 , 150246831 , 5336441410 , 4192447495
n×2
60975974
n×3
91463961
n×4
121951948
n×5
152439935
n÷2
15243993.5
n÷3
10162662.333333
n÷3
7621996.75
n÷5
6097597.4
n2
929517351312169
n3
2.833911292308E+22
n4
8.6400250639039E+29
n5
2.6341697182798E+37
2 √n
5521.5927955618
3 √n
312.39896296304
4 √n
74.307420864688
5 √n
31.392488954448
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30487986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30487987 can be divided by 8 positive divisors.
The sum of these divisors (counting 30487987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100010011010110110011
3
Ternary
2010100221122201
4
Quaternary
1310103112303
5
Quinary
30301103422
6
Senary
3005244031
8
Octal
164232663
10
Decimal
30487987
12
Duodecimal
a263617
16
Hexadecimal
1d135b3
20
Vigesimal
9aajj7
36
Base36
i5goj
md5
1e43d21d6bbd34a017059ecab604d807
sha1
98f3fe4419987e9cce22cc68c285377917c3a587
sha256
cebb84e730cb5fcac69d67c68bf5e156a2f8b49edacbbd1b8011770ac8cc82f8
sha512
6ba770ed871a21989d3fab4744fa2c5d6f0c52f5f49b33a0a13bf116aeaa6a3152e4edfc82f2f1846859b92ed1f5ea183c426fed5a9e461b9a50508bb1b63bb0
ripemd-160
6e31c52eacb5d62a6d94206cb81ba8925ae75954
Diameter
60975974
Circumference
191561671.96388
Area
2.9201648822666E+15
Volume
1.1870659862453E+23
Surface area
1.1680659529066E+16
Circumference
191561671.96388
Perimeter
121951948
Area
929517351312169
Diagonal
43116524.704855
Surface area
5577104107873014
Volume
2.833911292308E+22
Space diagonal
52806742.504499
Perimeter
91463961
Area
4.0249281974738E+14
Altitude
26403371.25225
Surface area
4.0249281974738E+14
Volume
3.3397964867868E+21
Height
14372174.901618