19987613 is an odd 8-digits composite number following 19987612
and preceding 19987614 . In scientific notation, it is written as 1.9987613 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 19958400 positive integers (up to 19987613) that are relatively prime to 19987613.
19987613 has 4 divisors, whose sum is 20016828
The reverse of 19987613 is 31678991
Previous prime number is 701
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million nine hundred eighty-seven thousand six hundred thirteen
Scientific notation
1.9987613 × 10^7
Engineering notation
1.9987613 × 10^6
Prime Factorization
701 × 28513
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19987613
Product of the distinct prime numbers
The prime factorization of 19987613 is 701 × 28513.
Since it has a total of 2 prime factors.
3 , 4 , 73 , 90 , 562 , 847 , 5549 , 9204 , 38286 , 4399 , 304653 , 918747 , 6198590 , 428350 , 30006186 , 99890677 , 222466981 , 495055174 , 8043051326 , 4580080180
n×2
39975226
n×3
59962839
n×4
79950452
n×5
99938065
n÷2
9993806.5
n÷3
6662537.6666667
n÷3
4996903.25
n÷5
3997522.6
n2
399504673437769
n3
7.9851448043655E+21
n4
1.5960398409862E+29
n5
3.1901026674213E+36
2 √n
4470.7508317955
3 √n
271.38571093453
4 √n
66.863673484153
5 √n
28.85042308761
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
-19987612
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 19987613 can be divided by 4 positive divisors.
The sum of these divisors (counting 19987613) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001111110010011101
3
Ternary
1101121110211222
4
Quaternary
1030033302131
5
Quinary
20104100423
6
Senary
1552223125
8
Octal
114176235
10
Decimal
19987613
12
Duodecimal
683aaa5
16
Hexadecimal
130fc9d
20
Vigesimal
64i90d
36
Base36
bwejh
md5
99648a2a339c336b8c20ad3ac59de58a
sha1
0a0911718a579eab685aeafcd8130b0965bd7619
sha256
b44ba73a176c9d3c0f499b22a0b0a3fe66b796fe4b6edae7ddf9ba7f62bd7305
sha512
68b57309623a6bde4b3c5d8f5bd5f9f0482feef0efc88cf558233617f372bc46a53f568db4791dbdb819aefb86b48f93c231d3c39fc02e1504f361d5589b7b1d
ripemd-160
f13a0c1b498b336d2c7fd54cad7ebbb2f7ad863b
Diameter
39975226
Circumference
125585876.32719
Area
1.2550809471469E+15
Volume
3.3448096340327E+22
Surface area
5.0203237885875E+15
Circumference
125585876.32719
Perimeter
79950452
Area
399504673437769
Diagonal
28266753.384065
Surface area
2397028040626614
Volume
7.9851448043655E+21
Space diagonal
34619561.238024
Perimeter
59962839
Area
1.7299059806386E+14
Altitude
17309780.619012
Surface area
1.7299059806386E+14
Volume
9.4105833998723E+20
Height
9422251.1280216