1949920985 is an odd 10-digits composite number following 1949920984
and preceding 1949920986 . In scientific notation, it is written as 1.949920985 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 1557082800 positive integers (up to 1949920985) that are relatively prime to 1949920985.
1949920985 has 8 divisors, whose sum is 2344186176
The reverse of 1949920985 is 5890299491
Previous prime number is 547
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred forty-nine million nine hundred twenty thousand nine hundred eighty-five
Scientific notation
1.949920985 × 10^9
Engineering notation
1.949920985 × 10^9
Prime Factorization
5 × 547 × 712951
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1949920985
Product of the distinct prime numbers
The prime factorization of 1949920985 is 5 × 547 × 712951.
Since it has a total of 3 prime factors.
5 , 10 , 49 , 58 , 397 , 963 , 1702 , 8687 , 94677 , 23665 , 491558 , 668395 , 1064237 , 6961072 , 59735755 , 14275053 , 825481949 , 660739618 , 5172970936 , 2411647447
n×2
3899841970
n×3
5849762955
n×4
7799683940
n×5
9749604925
n÷2
974960492.5
n÷3
649973661.66667
n÷3
487480246.25
n÷5
389984197
n2
3802191847743370225
n3
7.4139736729107E+27
n4
1.4456662847046E+37
n5
2.8189350258525E+46
2 √n
44157.909653877
3 √n
1249.3161026958
4 √n
210.13783489386
5 √n
72.111312897737
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
-1949920984
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 1949920985 can be divided by 8 positive divisors.
The sum of these divisors (counting 1949920985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100001110010110111011011001
3
Ternary
12000220010020201202
4
Quaternary
1310032112323121
5
Quinary
12443134432420
6
Senary
521253323545
8
Octal
16416267331
10
Decimal
1949920985
12
Duodecimal
4650365b5
16
Hexadecimal
74396ed9
20
Vigesimal
1a970295
36
Base36
w8xknt
md5
9bafb1bc27614faac0eef54d9611e89c
sha1
3d32fb534f14efca27588d4b031b5891d48eb5fd
sha256
2caeebf3e39217728a4365ec6f537a09552742c3de978dab4c887937ddefbdf0
sha512
6cb8e5e780a11cc546306605e02e8c0007970e5f4e2d225be5e31b79685a75565e848316255eaf921fa03c4b6c6375b452629eff74452a53c4afaf8b46f52453
ripemd-160
b5f2237139ccfdd83aacdf854e2e34a804cb93b3
Diameter
3899841970
Circumference
12251714883.113
Area
1.194493797641E+19
Volume
3.1055580299633E+28
Surface area
4.7779751905638E+19
Circumference
12251714883.113
Perimeter
7799683940
Area
3802191847743370225
Diagonal
2757604702.5429
Surface area
2.281315108646E+19
Volume
7.4139736729107E+27
Space diagonal
3377362216.7648
Perimeter
5849762955
Area
1.6463973651039E+18
Altitude
1688681108.3824
Surface area
1.6463973651039E+18
Volume
8.7374517660895E+26
Height
919201567.5143