1990402537 is an odd 10-digits composite number following 1990402536
and preceding 1990402538 . In scientific notation, it is written as 1.990402537 × 10^9.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 1985674320 positive integers (up to 1990402537) that are relatively prime to 1990402537.
1990402537 has 4 divisors, whose sum is 1995130756
The reverse of 1990402537 is 7352040991
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion nine hundred ninety million four hundred two thousand five hundred thirty-seven
Scientific notation
1.990402537 × 10^9
Engineering notation
1.990402537 × 10^9
Prime Factorization
421 × 4727797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990402537
Product of the distinct prime numbers
The prime factorization of 1990402537 is 421 × 4727797.
Since it has a total of 2 prime factors.
4 , 9 , 36 , 35 , 128 , 840 , 9060 , 419 , 18269 , 32845 , 949480 , 958541 , 5980255 , 5619431 , 11523631 , 51730992 , 291249768 , 915245726 , 8359657488 , 487398538
n×2
3980805074
n×3
5971207611
n×4
7961610148
n×5
9952012685
n÷2
995201268.5
n÷3
663467512.33333
n÷3
497600634.25
n÷5
398080507.4
n2
3961702259296036369
n3
7.8853822277415E+27
n4
1.5695084791311E+37
n5
3.1239536587056E+46
2 √n
44613.92761235
3 √n
1257.9024766365
4 √n
211.22009282346
5 √n
72.408272001194
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
-1990402536
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 1990402537 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990402537) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000110010000111101001
3
Ternary
12010201021220222111
4
Quaternary
1312220302013221
5
Quinary
13034020340122
6
Senary
525301122321
8
Octal
16650620751
10
Decimal
1990402537
12
Duodecimal
4766b93a1
16
Hexadecimal
76a321e9
20
Vigesimal
1b20066h
36
Base36
wx18fd
md5
cdfdecc248938e52326b52004eecdf56
sha1
3efb45b7d31ad87026018a97e5f96875e5465f46
sha256
dd27115bf17c8db37bb45951bc0bc1074b4cfc6ddf4cf2baa69479a58916a148
sha512
6c5f296fee55ed00023fc6dafb1c93e31d828ae45bb6f9fcd433605bed72ebc127bc992332dfa2a5488d15b16752ae6537f46d993c4eb3af06af098ec5cb50c8
ripemd-160
dae9cc89190180817e3d8e5005f70478c2b594e9
Diameter
3980805074
Circumference
12506067975.851
Area
1.2446054713515E+19
Volume
3.303021183656E+28
Surface area
4.9784218854058E+19
Circumference
12506067975.851
Perimeter
7961610148
Area
3961702259296036369
Diagonal
2814854262.4072
Surface area
2.3770213555776E+19
Volume
7.8853822277415E+27
Space diagonal
3447478321.598
Perimeter
5971207611
Area
1.7154673993903E+18
Altitude
1723739160.799
Surface area
1.7154673993903E+18
Volume
9.2930120758065E+26
Height
938284754.13574