98987021 is an odd 8-digits composite number following 98987020
and preceding 98987022 . In scientific notation, it is written as 9.8987021 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 83675904 positive integers (up to 98987021) that are relatively prime to 98987021.
98987021 has 16 divisors, whose sum is 114701184
The reverse of 98987021 is 12078989
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
ninety-eight million nine hundred eighty-seven thousand twenty-one
Scientific notation
9.8987021 × 10^7
Engineering notation
9.8987021 × 10^6
Prime Factorization
7 × 233 × 137 × 443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
98987021
Product of the distinct prime numbers
The prime factorization of 98987021 is 7 × 233 × 137 × 443.
Since it has a total of 4 prime factors.
10 , 5 , 87 , 69 , 728 , 262 , 2040 , 9048 , 99658 , 20033 , 332510 , 788925 , 7381676 , 2724621 , 2967839 , 84175725 , 945766322 , 130991965 , 1325123642 , 2963122432
n×2
197974042
n×3
296961063
n×4
395948084
n×5
494935105
n÷2
49493510.5
n÷3
32995673.666667
n÷3
24746755.25
n÷5
19797404.2
n2
9798430326454441
n3
9.6991742849178E+23
n4
9.6009236862382E+31
n5
9.5036683454906E+39
2 √n
9949.2221303979
3 √n
462.58628397491
4 √n
99.745787532095
5 √n
39.729733407523
1 , 7 , 137 , 233 , 443 , 959 , 1631 , 3101 , 31921 , 60691 , 103219 , 223447 , 424837 , 722533 , 14141003 , 98987021
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
-98987020
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 98987021 can be divided by 16 positive divisors.
The sum of these divisors (counting 98987021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111001100110110000001101
3
Ternary
20220021001122222
4
Quaternary
11321212300031
5
Quinary
200320041041
6
Senary
13453345125
8
Octal
571466015
10
Decimal
98987021
12
Duodecimal
291981a5
16
Hexadecimal
5e66c0d
20
Vigesimal
1aid7b1
36
Base36
1mxmvh
md5
986b2a5a90b9e3e414068bd13e3d7704
sha1
6cd53377eebedebec6c8a5a3f5c418e93865908e
sha256
279a9bb706ea2faf03695ae260e42a9a84fa29e6187757fa74a863a7c22afe64
sha512
862b9dcf79d709e2acbf797984f083b4bc41a775694cb12066b6f852fffa165c95c0d7008a7412472f2ca935744ad704f7e139d0be9009f258c2025220a803a1
ripemd-160
75b54a688a5f88ea330ebf7c7a55d1ce4873cba3
Diameter
197974042
Circumference
621953795.94868
Area
3.0782676730301E+16
Volume
4.062780623918E+24
Surface area
1.231307069212E+17
Circumference
621953795.94868
Perimeter
395948084
Area
9798430326454441
Diagonal
139988787.59711
Surface area
58790581958726646
Volume
9.6991742849178E+23
Space diagonal
171450549.66189
Perimeter
296961063
Area
4.2428447899607E+15
Altitude
85725274.830944
Surface area
4.2428447899607E+15
Volume
1.1430586514626E+23
Height
46662929.199037