99690987 is an odd 8-digits composite number following 99690986
and preceding 99690988 . In scientific notation, it is written as 9.9690987 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 58785120 positive integers (up to 99690987) that are relatively prime to 99690987.
99690987 has 16 divisors, whose sum is 148925952
The reverse of 99690987 is 78909699
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
ninety-nine million six hundred ninety thousand nine hundred eighty-seven
Scientific notation
9.9690987 × 10^7
Engineering notation
9.9690987 × 10^6
Prime Factorization
11 × 3 × 37 × 81647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
99690987
Product of the distinct prime numbers
The prime factorization of 99690987 is 11 × 3 × 37 × 81647.
Since it has a total of 4 prime factors.
3 , 8 , 49 , 81 , 48 , 594 , 2999 , 4349 , 65623 , 13602 , 442442 , 993150 , 1194304 , 1720094 , 58574280 , 94635790 , 73247284 , 725293634 , 5159843111 , 3090870975
n×2
199381974
n×3
299072961
n×4
398763948
n×5
498454935
n÷2
49845493.5
n÷3
33230329
n÷3
24922746.75
n÷5
19938197.4
n2
9938292889034169
n3
9.907582272029E+23
n4
9.8769665548227E+31
n5
9.8464454441627E+39
2 √n
9984.5373953929
3 √n
463.68028628309
4 √n
99.922657067319
5 √n
39.786082528727
1 , 3 , 11 , 33 , 37 , 111 , 407 , 1221 , 81647 , 244941 , 898117 , 2694351 , 3020939 , 9062817 , 33230329 , 99690987
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
-99690986
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 99690987 can be divided by 16 positive divisors.
The sum of these divisors (counting 99690987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111100010010100111101011
3
Ternary
20221120211022210
4
Quaternary
11330102213223
5
Quinary
201010102422
6
Senary
13520420203
8
Octal
574224753
10
Decimal
99690987
12
Duodecimal
29477663
16
Hexadecimal
5f129eb
20
Vigesimal
1b31797
36
Base36
1ncq23
md5
ee790a00b186bb68a2837051055cb46a
sha1
64b9a43d5bd90c2df604cbb6892fa30d35e7f801
sha256
5307a7db797abc400f50e299ac7ebd4ed075f21d048545eada45e063887d0a2f
sha512
fd3ea5bc859b5153801e9533ca098b30adfb34a62d8e991008f4b011503f1b6ec781df1df14394e71b967140754926d6aad2f5f6581ba6dd83e963d1a38f5a6e
ripemd-160
876a76f154c3ec70deb50d1253d85a71f785631c
Diameter
199381974
Circumference
626376944.77663
Area
3.1222067929413E+16
Volume
4.150078357419E+24
Surface area
1.2488827171765E+17
Circumference
626376944.77663
Perimeter
398763948
Area
9938292889034169
Diagonal
140984345.86176
Surface area
59629757334205014
Volume
9.907582272029E+23
Space diagonal
172669854.54069
Perimeter
299072961
Area
4.3034070560769E+15
Altitude
86334927.270344
Surface area
4.3034070560769E+15
Volume
1.1676197682859E+23
Height
46994781.95392