99691989 is an odd 8-digits composite number following 99691988
and preceding 99691990 . In scientific notation, it is written as 9.9691989 × 10^7.
The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors.
There are 66461324 positive integers (up to 99691989) that are relatively prime to 99691989.
99691989 has 4 divisors, whose sum is 132922656
The reverse of 99691989 is 98919699
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
ninety-nine million six hundred ninety-one thousand nine hundred eighty-nine
Scientific notation
9.9691989 × 10^7
Engineering notation
9.9691989 × 10^6
Prime Factorization
3 × 33230663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99691989
Product of the distinct prime numbers
The prime factorization of 99691989 is 3 × 33230663.
Since it has a total of 2 prime factors.
1 , 4 , 42 , 4 , 881 , 570 , 3405 , 6820 , 88486 , 56308 , 128413 , 496771 , 3164973 , 4232790 , 14897567 , 2921333 , 663299327 , 916070282 , 3025678632 , 2111532429
n×2
199383978
n×3
299075967
n×4
398767956
n×5
498459945
n÷2
49845994.5
n÷3
33230663
n÷3
24922997.25
n÷5
19938397.8
n2
9938492670776121
n3
9.9078810201159E+23
n4
9.8773636567071E+31
n5
9.8469402901344E+39
2 √n
9984.5875728545
3 √n
463.68183977053
4 √n
99.922908148505
5 √n
39.786162506859
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
-99691988
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 99691989 can be divided by 4 positive divisors.
The sum of these divisors (counting 99691989) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100010010110111010101
3
Ternary
20221120212200220
4
Quaternary
11330102313111
5
Quinary
201010120424
6
Senary
13520424553
8
Octal
574226725
10
Decimal
99691989
12
Duodecimal
29478159
16
Hexadecimal
5f12dd5
20
Vigesimal
1b319j9
36
Base36
1ncqtx
md5
e069068dce1524dd0811e9f389641bfe
sha1
3b408ead62c5768418613060e6f683c8f1145ea5
sha256
645adcda225168bcc133f0bd6f21f2963ddcb3c9b164aa368cb8a153133b46cd
sha512
3de0444db881eeeeb7555708892cf52ad9deed4c79cfbe59aa94a2b97201b917b7ba027bb6fc9a3ea4894b2ad347c1be303955e67780ccb40f7f4de8f433f38b
ripemd-160
70f91d0de3200a106c57ba18cf7c6a3e0b6cb013
Diameter
199383978
Circumference
626383240.52831
Area
3.1222695562266E+16
Volume
4.1502034967251E+24
Surface area
1.2489078224907E+17
Circumference
626383240.52831
Perimeter
398767956
Area
9938492670776121
Diagonal
140985762.90375
Surface area
59630956024656726
Volume
9.9078810201159E+23
Space diagonal
172671590.0556
Perimeter
299075967
Area
4.3034935641088E+15
Altitude
86335795.027799
Surface area
4.3034935641088E+15
Volume
1.1676549760856E+23
Height
46995254.30125