987402561 is an odd 9-digits composite number following 987402560
and preceding 987402562 . In scientific notation, it is written as 9.87402561 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 645235136 positive integers (up to 987402561) that are relatively prime to 987402561.
987402561 has 16 divisors, whose sum is 1342650816
The reverse of 987402561 is 165204789
Previous prime number is 1373
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
nine hundred eighty-seven million four hundred two thousand five hundred sixty-one
Scientific notation
9.87402561 × 10^8
Engineering notation
9.87402561 × 10^6
Prime Factorization
3 × 53 × 1373 × 4523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
987402561
Product of the distinct prime numbers
The prime factorization of 987402561 is 3 × 53 × 1373 × 4523.
Since it has a total of 4 prime factors.
1 , 5 , 23 , 71 , 566 , 360 , 7656 , 1148 , 75362 , 17195 , 63934 , 310835 , 2881679 , 1748253 , 95297457 , 90333813 , 452670717 , 348117471 , 6930177064 , 8517146942
n×2
1974805122
n×3
2962207683
n×4
3949610244
n×5
4937012805
n÷2
493701280.5
n÷3
329134187
n÷3
246850640.25
n÷5
197480512.2
n2
974963817469358721
n3
9.6268177025158E+26
n4
9.5055444537443E+35
n5
9.3857989373264E+44
2 √n
31422.962320571
3 √n
995.78309638596
4 √n
177.26523156155
5 √n
62.935958365727
1 , 3 , 53 , 159 , 1373 , 4119 , 4523 , 13569 , 72769 , 218307 , 239719 , 719157 , 6210079 , 18630237 , 329134187 , 987402561
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
-987402560
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 987402561 can be divided by 16 positive divisors.
The sum of these divisors (counting 987402561) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010110110101001000101000001
3
Ternary
2112210222020200020
4
Quaternary
322312221011001
5
Quinary
4010233340221
6
Senary
241551244053
8
Octal
7266510501
10
Decimal
987402561
12
Duodecimal
236819629
16
Hexadecimal
3ada9141
20
Vigesimal
f8b5681
36
Base36
gbvgox
md5
cb3f61be395c46470b539f0f3e5677f0
sha1
231c158ca3306e203d894d08877bc40239d8a24b
sha256
7f93e9873adfc0d80173c1afee8a9a9f0ff9d036328ea38b795136b4356ea2fe
sha512
15fc8585f07aa79da8a99400db183571dadcd10ac084e778dfbf6a4c1883a96630d05d70890ab1c7001d60f742a5a9d6df0b874dd358d4b5a15ea4f0f673ac36
ripemd-160
e398200cd7d52eca4c5a5ebc5d1e71b02a27ec04
Diameter
1974805122
Circumference
6204033263.5467
Area
3.0629391664776E+18
Volume
4.0324719695562E+27
Surface area
1.225175666591E+19
Circumference
6204033263.5467
Perimeter
3949610244
Area
974963817469358721
Diagonal
1396398093.2881
Surface area
5849782904816152326
Volume
9.6268177025158E+26
Space diagonal
1710231403.1756
Perimeter
2962207683
Area
4.2217171684956E+17
Altitude
855115701.58781
Surface area
4.2217171684956E+17
Volume
1.1345313464493E+26
Height
465466031.09604