2149787931 is an odd 10-digits composite number following 2149787930
and preceding 2149787932 . In scientific notation, it is written as 2.149787931 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 1432873992 positive integers (up to 2149787931) that are relatively prime to 2149787931.
2149787931 has 8 divisors, whose sum is 2867019840
The reverse of 2149787931 is 1397879412
Previous prime number is 4643
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
two billion one hundred forty-nine million seven hundred eighty-seven thousand nine hundred thirty-one
Scientific notation
2.149787931 × 10^9
Engineering notation
2.149787931 × 10^9
Prime Factorization
3 × 4643 × 154339
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2149787931
Product of the distinct prime numbers
The prime factorization of 2149787931 is 3 × 4643 × 154339.
Since it has a total of 3 prime factors.
3 , 8 , 90 , 69 , 366 , 602 , 7186 , 3933 , 93983 , 14735 , 523055 , 913004 , 952329 , 1057456 , 78163420 , 13192549 , 398686800 , 108606373 , 3168110945 , 4510226798
n×2
4299575862
n×3
6449363793
n×4
8599151724
n×5
10748939655
n÷2
1074893965.5
n÷3
716595977
n÷3
537446982.75
n÷5
429957586.2
n2
4621588148273260761
n3
9.9354344232105E+27
n4
2.135907701226E+37
n5
4.5917485978256E+46
2 √n
46365.805622247
3 √n
1290.6204436839
4 √n
215.32720595003
5 √n
73.532464861563
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2149787930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2149787931 can be divided by 8 positive divisors.
The sum of these divisors (counting 2149787931) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000001000110010100100011011
3
Ternary
12112211012112122020
4
Quaternary
2000020302210123
5
Quinary
13400321203211
6
Senary
553153225523
8
Octal
20010624433
10
Decimal
2149787931
12
Duodecimal
4bbb622a3
16
Hexadecimal
8023291b
20
Vigesimal
1dbg39gb
36
Base36
zjxezf
md5
7e0f663302ce0d5ac4ce405525f4b251
sha1
6b70655a289c17f48c707ad4aef85343a4faeff0
sha256
9f4cedbdb1f3433b1c7fe218d3ad3adcbc01738cd32da88bd60df4a2c9c13b65
sha512
0135309e4a7c3ddb4a0c69f07a8519f52632abe0745a8f04a2001bba79cd1ff710031061d85e7201f81be0183f32bbaeef1e154da7208a45967277a510efd9f4
ripemd-160
12e0691a093557aa48dca8126f405e87430fa463
Diameter
4299575862
Circumference
13507515941.611
Area
1.4519147374533E+19
Volume
4.1617450392242E+28
Surface area
5.8076589498132E+19
Circumference
13507515941.611
Perimeter
8599151724
Area
4621588148273260761
Diagonal
3040259248.2462
Surface area
2.772952888964E+19
Volume
9.9354344232105E+27
Space diagonal
3723541921.9904
Perimeter
6449363793
Area
2.0012063711169E+18
Altitude
1861770960.9952
Surface area
2.0012063711169E+18
Volume
1.1709021757811E+27
Height
1013419749.4154