6989661387 is an odd 10-digits composite number following 6989661386
and preceding 6989661388 . In scientific notation, it is written as 6.989661387 × 10^9.
The sum of its digits is 63. It has a total of 2 prime factors and 4 positive divisors.
There are 4659774252 positive integers (up to 6989661387) that are relatively prime to 6989661387.
6989661387 has 4 divisors, whose sum is 7766290440
The reverse of 6989661387 is 7831669896
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 63
Digital Root 9
Name
six billion nine hundred eighty-nine million six hundred sixty-one thousand three hundred eighty-seven
Scientific notation
6.989661387 × 10^9
Engineering notation
6.989661387 × 10^9
Prime Factorization
9 × 776629043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
6989661387
Product of the distinct prime numbers
The prime factorization of 6989661387 is 9 × 776629043.
Since it has a total of 2 prime factors.
9 , 3 , 86 , 18 , 126 , 922 , 3583 , 7023 , 87121 , 17841 , 951 , 233238 , 8235961 , 7894050 , 45045324 , 72915547 , 780935842 , 372167917 , 9181866896 , 7646350876
n×2
13979322774
n×3
20968984161
n×4
27958645548
n×5
34948306935
n÷2
3494830693.5
n÷3
2329887129
n÷3
1747415346.75
n÷5
1397932277.4
n2
4.8855366304919E+19
n3
3.4148246740923E+29
n4
2.3868468167878E+39
n5
1.6683251031985E+49
2 √n
83604.194793084
3 √n
1911.9889542138
4 √n
289.14389980265
5 √n
93.087470106735
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
-6989661386
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 6989661387 can be divided by 4 positive divisors.
The sum of these divisors (counting 6989661387) is 1, the average is 0.25.
Base
System
Value
2
Binary
110100000100111011100010011001011
3
Ternary
200001010021120212200
4
Quaternary
12200213130103023
5
Quinary
103303323131022
6
Senary
3113324411243
8
Octal
64047342313
10
Decimal
6989661387
12
Duodecimal
14309a6b23
16
Hexadecimal
1a09dc4cb
20
Vigesimal
59457d97
36
Base36
37lgp8r
md5
8ea64b92c92df5dccf20c1aa25fd26f4
sha1
e29281e5f4be8dfa7284b4205edcb5956ceaef56
sha256
8e31712fd643b29d080b082241b33b4c91835759a817a46c045a3184df87ff2d
sha512
ee52292693291829d0154fb2cb4a5214a6f94000cf0a04da30b114f072d1f9263fb8ffa0eef4a0236da538c1d8c118a791932e27e03fce3c00c4ac7e69806016
ripemd-160
e493297c3cf4fb6ea81271c6ddab487061c119e3
Diameter
13979322774
Circumference
43917337728.959
Area
1.5348365987197E+20
Volume
1.4303984145901E+30
Surface area
6.1393463948788E+20
Circumference
43917337728.959
Perimeter
27958645548
Area
4.8855366304919E+19
Diagonal
9884873929.8909
Surface area
2.9313219782951E+20
Volume
3.4148246740923E+29
Space diagonal
12106448649.986
Perimeter
20968984161
Area
2.1154994165627E+19
Altitude
6053224324.9932
Surface area
2.1154994165627E+19
Volume
4.0244094726897E+28
Height
3294957976.6303