1951397989 is an odd 10-digits composite number following 1951397988
and preceding 1951397990 . In scientific notation, it is written as 1.951397989 × 10^9.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 1836609856 positive integers (up to 1951397989) that are relatively prime to 1951397989.
1951397989 has 4 divisors, whose sum is 2066186124
The reverse of 1951397989 is 9897931591
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred fifty-one million three hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
1.951397989 × 10^9
Engineering notation
1.951397989 × 10^9
Prime Factorization
17 × 114788117
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1951397989
Product of the distinct prime numbers
The prime factorization of 1951397989 is 17 × 114788117.
Since it has a total of 2 prime factors.
2 , 4 , 88 , 50 , 240 , 219 , 956 , 60 , 74858 , 77758 , 991992 , 181231 , 7539862 , 104610 , 7645254 , 55884214 , 729193200 , 305978833 , 8200629206 , 2448248407
n×2
3902795978
n×3
5854193967
n×4
7805591956
n×5
9756989945
n÷2
975698994.5
n÷3
650465996.33333
n÷3
487849497.25
n÷5
390279597.8
n2
3807954111473244121
n3
7.4308339953332E+27
n4
1.4500514515086E+37
n5
2.8296274864204E+46
2 √n
44174.630604002
3 √n
1249.6314623413
4 √n
210.17761680065
5 √n
72.122234000927
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
-1951397988
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 1951397989 can be divided by 4 positive divisors.
The sum of these divisors (counting 1951397989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100010011111111100001100101
3
Ternary
12000222220021210121
4
Quaternary
1310103333201211
5
Quinary
12444024213424
6
Senary
521345121541
8
Octal
16423774145
10
Decimal
1951397989
12
Duodecimal
4656292b1
16
Hexadecimal
744ff865
20
Vigesimal
1a9g4ej9
36
Base36
w9t8bp
md5
06f6e3c43b994ce13253acdfd8290d0c
sha1
f23d84b47072d664b3a2bf7b83b731ebf35c9c81
sha256
e89c2a24ee72d3cf6e9191faa89f7f41c09e5a3ea4e86d15c2badd5fd4bf9753
sha512
02785a9bee223c46bc8796ac4167a819f1d73f8d83c8d32e9b30d4677df91ea8672c5886624634124d79f398acf7ceac53ba6de16a2a94b85b9bb7958a71394d
ripemd-160
cbcdb1c67325a27444ef0b5c07f0a3669dda3936
Diameter
3902795978
Circumference
12260995172.945
Area
1.1963040661811E+19
Volume
3.1126204653045E+28
Surface area
4.7852162647246E+19
Circumference
12260995172.945
Perimeter
7805591956
Area
3807954111473244121
Diagonal
2759693501.6314
Surface area
2.2847724668839E+19
Volume
7.4308339953332E+27
Space diagonal
3379920462.7357
Perimeter
5854193967
Area
1.6488924984906E+18
Altitude
1689960231.3679
Surface area
1.6488924984906E+18
Volume
8.7573218466194E+26
Height
919897833.87713