988894921 is an odd 9-digits composite number following 988894920
and preceding 988894922 . In scientific notation, it is written as 9.88894921 × 10^8.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 838881792 positive integers (up to 988894921) that are relatively prime to 988894921.
988894921 has 12 divisors, whose sum is 1162211988
The reverse of 988894921 is 129498889
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
nine hundred eighty-eight million eight hundred ninety-four thousand nine hundred twenty-one
Scientific notation
9.88894921 × 10^8
Engineering notation
9.88894921 × 10^6
Prime Factorization
7 × 7 × 97 × 208057
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
141270703
Product of the distinct prime numbers
The prime factorization of 988894921 is 7 × 7 × 97 × 208057.
Since it has a total of 4 prime factors.
9 , 5 , 26 , 15 , 112 , 970 , 8492 , 5776 , 2298 , 1059 , 308112 , 347017 , 1509401 , 2127353 , 60891125 , 40828735 , 288600594 , 145954940 , 5728452800 , 4248558718
n×2
1977789842
n×3
2966684763
n×4
3955579684
n×5
4944474605
n÷2
494447460.5
n÷3
329631640.33333
n÷3
247223730.25
n÷5
197778984.2
n2
977913164779596241
n3
9.6705336182958E+26
n4
9.5631415784925E+35
n5
9.4569421357751E+44
2 √n
31446.699683751
3 √n
996.28451930032
4 √n
177.33217328999
5 √n
62.954971153384
1 , 7 , 49 , 97 , 679 , 4753 , 208057 , 1456399 , 10194793 , 20181529 , 141270703 , 988894921
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-988894920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 988894921 can be divided by 12 positive divisors.
The sum of these divisors (counting 988894921) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010111100010101011011001001
3
Ternary
2112220210001210211
4
Quaternary
322330111123021
5
Quinary
4011124114141
6
Senary
242043241121
8
Octal
7274253311
10
Decimal
988894921
12
Duodecimal
2372191a1
16
Hexadecimal
3af156c9
20
Vigesimal
f90bh61
36
Base36
gcrg7d
md5
a43b77e29c442be1d23104b6b4934feb
sha1
0482bf421352037a43513c716c1ed9bab667e1fb
sha256
393171331409439971a9adb9073596e6ee0f0b8046e7acedd3a3cc3e8de47aaf
sha512
5bb54e31e45438ecb8ab849d27bed71c416abd91bc1ec410554f966c2cdf7f425d10d91c41884e3cd16b64bcc163203330b6bd4d8e29763a42151d179ce53f03
ripemd-160
f022200fdb66ec7f7b69223788d89aaa17e5bd53
Diameter
1977789842
Circumference
6213410037.9717
Area
3.0722048143203E+18
Volume
4.0507836495375E+27
Surface area
1.2288819257281E+19
Circumference
6213410037.9717
Perimeter
3955579684
Area
977913164779596241
Diagonal
1398508609.0401
Surface area
5867478988677577446
Volume
9.6705336182958E+26
Space diagonal
1712816246.5188
Perimeter
2966684763
Area
4.2344882169718E+17
Altitude
856408123.25941
Surface area
4.2344882169718E+17
Volume
1.1396833165316E+26
Height
466169536.34669