98987921 is an odd 8-digits composite number following 98987920
and preceding 98987922 . In scientific notation, it is written as 9.8987921 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 98833332 positive integers (up to 98987921) that are relatively prime to 98987921.
98987921 has 4 divisors, whose sum is 99142512
The reverse of 98987921 is 12978989
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
ninety-eight million nine hundred eighty-seven thousand nine hundred twenty-one
Scientific notation
9.8987921 × 10^7
Engineering notation
9.8987921 × 10^6
Prime Factorization
643 × 153947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
98987921
Product of the distinct prime numbers
The prime factorization of 98987921 is 643 × 153947.
Since it has a total of 2 prime factors.
5 , 10 , 32 , 65 , 586 , 877 , 6372 , 4773 , 5789 , 1395 , 981 , 803458 , 9610737 , 1146430 , 4689661 , 15842361 , 832135793 , 921750302 , 5266426606 , 3866319123
n×2
197975842
n×3
296963763
n×4
395951684
n×5
494939605
n÷2
49493960.5
n÷3
32995973.666667
n÷3
24746980.25
n÷5
19797584.2
n2
9798608503902241
n3
9.699438844942E+23
n4
9.6012728612745E+31
n5
9.5041003949129E+39
2 √n
9949.2673599617
3 √n
462.58768593108
4 √n
99.746014256018
5 √n
39.72980565261
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
-98987920
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 98987921 can be divided by 4 positive divisors.
The sum of these divisors (counting 98987921) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111001100110111110010001
3
Ternary
20220021002220022
4
Quaternary
11321212332101
5
Quinary
200320103141
6
Senary
13453353225
8
Octal
571467621
10
Decimal
98987921
12
Duodecimal
29198815
16
Hexadecimal
5e66f91
20
Vigesimal
1aid9g1
36
Base36
1mxnkh
md5
4278580b1a938f4c12985181ab24610c
sha1
b75f9ca651b800262a74270e752c548139abd073
sha256
b6698f638df3f680847af6ff85b7d83a68e113cd04b3a01590ad83e065bc6fd8
sha512
fa774687d104903ff113ab827bad6bdc406fe25adb73e986988d605b2eedcb6050689797d655d39c4af6308b377d6e6b0b4133c908ac592fe11e550520e827ff
ripemd-160
dbb3e8005d37934342ef50c401f1fc30cad34ffc
Diameter
197975842
Circumference
621959450.81545
Area
3.0783236491262E+16
Volume
4.0628914425618E+24
Surface area
1.2313294596505E+17
Circumference
621959450.81545
Perimeter
395951684
Area
9798608503902241
Diagonal
139990060.38932
Surface area
58791651023413446
Volume
9.699438844942E+23
Space diagonal
171452108.50761
Perimeter
296963763
Area
4.2429219430588E+15
Altitude
85726054.253807
Surface area
4.2429219430588E+15
Volume
1.1430898301605E+23
Height
46663353.463106