30487961 is an odd 8-digits composite number following 30487960
and preceding 30487962 . In scientific notation, it is written as 3.0487961 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 24964800 positive integers (up to 30487961) that are relatively prime to 30487961.
30487961 has 16 divisors, whose sum is 36426240
The reverse of 30487961 is 16978403
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty million four hundred eighty-seven thousand nine hundred sixty-one
Scientific notation
3.0487961 × 10^7
Engineering notation
3.0487961 × 10^6
Prime Factorization
7 × 29 × 101 × 1487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30487961
Product of the distinct prime numbers
The prime factorization of 30487961 is 7 × 29 × 101 × 1487.
Since it has a total of 4 prime factors.
5 , 2 , 9 , 56 , 684 , 376 , 6140 , 6546 , 48482 , 65512 , 662916 , 269888 , 8940323 , 5948845 , 84336651 , 16491900 , 608417626 , 960060295 , 9410437210 , 3799720061
n×2
60975922
n×3
91463883
n×4
121951844
n×5
152439805
n÷2
15243980.5
n÷3
10162653.666667
n÷3
7621990.25
n÷5
6097592.2
n2
929515765937521
n3
2.8339040420788E+22
n4
8.6399955912642E+29
n5
2.6341584862663E+37
2 √n
5521.5904411682
3 √n
312.39887415894
4 √n
74.307405022435
5 √n
31.392483600175
1 , 7 , 29 , 101 , 203 , 707 , 1487 , 2929 , 10409 , 20503 , 43123 , 150187 , 301861 , 1051309 , 4355423 , 30487961
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
-30487960
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 30487961 can be divided by 16 positive divisors.
The sum of these divisors (counting 30487961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110100010011010110011001
3
Ternary
2010100221121202
4
Quaternary
1310103112121
5
Quinary
30301103321
6
Senary
3005243545
8
Octal
164232631
10
Decimal
30487961
12
Duodecimal
a2635b5
16
Hexadecimal
1d13599
20
Vigesimal
9aaji1
36
Base36
i5gnt
md5
f887bd202931e61384f54396773e1349
sha1
1f743aa2a86d718cd5a700b63828476edd92561e
sha256
de4c1b42b53c12b0c61fb2d44580d3499bbb3e415ad0029849a94fede11322a4
sha512
658f0c7d528ecbfcbad8de9ee36f73da39c1106e0f9e5708040836551fd7d0e738b52723ea92c8e2af32032ac815b46efd15abdd24b98319f651e1cbdee77187
ripemd-160
fc459140d6a1b233689978b75eb9f63744645393
Diameter
60975922
Circumference
191561508.60106
Area
2.9201599016652E+15
Volume
1.1870629492764E+23
Surface area
1.1680639606661E+16
Circumference
191561508.60106
Perimeter
121951844
Area
929515765937521
Diagonal
43116487.935302
Surface area
5577094595625126
Volume
2.8339040420788E+22
Space diagonal
52806697.471178
Perimeter
91463883
Area
4.0249213326002E+14
Altitude
26403348.735589
Surface area
4.0249213326002E+14
Volume
3.3397879423098E+21
Height
14372162.645101