1989997178 is an even 10-digits composite number following 1989997177
and preceding 1989997179 . In scientific notation, it is written as 1.989997178 × 10^9.
The sum of its digits is 68. It has a total of 4 prime factors and 16 positive divisors.
There are 918204336 positive integers (up to 1989997178) that are relatively prime to 1989997178.
1989997178 has 16 divisors, whose sum is 3215506560
The reverse of 1989997178 is 8717999891
Previous prime number is 4567
Is Prime? no Number parity even Number length 10 Sum of Digits 68 Digital Root 5
Name
one billion nine hundred eighty-nine million nine hundred ninety-seven thousand one hundred seventy-eight
Scientific notation
1.989997178 × 10^9
Engineering notation
1.989997178 × 10^9
Prime Factorization
2 × 13 × 4567 × 16759
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1989997178 Product of the distinct prime numbers
The prime factorization of 1989997178 is 2 × 13 × 4567 × 16759.
Since it has a total of 4 prime factors.
10 , 4 , 28 , 20 , 947 , 423 , 1379 , 4540 , 61537 , 66457 , 811408 , 640034 , 2412869 , 4915146 , 29508715 , 31268650 , 773974142 , 922857421 , 224038389 , 6716818327
n×2
3979994356
n×3
5969991534
n×4
7959988712
n×5
9949985890
n÷2
994998589
n÷3
663332392.66667
n÷3
497499294.5
n÷5
397999435.6
n2
3960088768447963684
n3
7.8805654738409E+27
n4
1.5682303053988E+37
n5
3.1207738821976E+46
2 √n44609.384416286
3 √n1257.8170773769
4 √n211.20933790031
5 √n72.405322473597
1 , 2 , 13 , 26 , 4567 , 9134 , 16759 , 33518 , 59371 , 118742 , 217867 , 435734 , 76538353 , 153076706 , 994998589 , 1989997178
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1989997177 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1989997178 can be divided by 16 positive divisors.
The sum of these divisors (counting 1989997178) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110100111001111001001111010
3
Ternary
12010200112022221012
4
Quaternary
1312213033021322
5
Quinary
13033414402203
6
Senary
525244313522
8
Octal
16647171172
10
Decimal
1989997178
12
Duodecimal
4765428a2
16
Hexadecimal
769cf27a
20
Vigesimal
1b1h9cii
36
Base36
wwsjne
md5
0147bab3b385a062ad4c28e5a0b771c8
sha1
3cf5144e1bdf104a2b6876fd8ce8fe075c5e6c99
sha256
12039163cf5192ba864883d0659c5dd49161b327108dd1aea919c92cee9207ea
sha512
4cd43c200f75ec62a010a2f26d35f3b15239f5024aebdd6b83a317bc42f1289fcc08fe642676c7ea7aa90c490624437f92da8e848d9cdf98c2fc59a0396c5d59
ripemd-160
9606dda57564d8ed1326dd6ee03b1576336f8a6c
Diameter
3979994356
Circumference
12503521030.138
Area
1.244098578252E+19
Volume
3.3010035465003E+28
Surface area
4.9763943130078E+19
Circumference
12503521030.138
Perimeter
7959988712
Area
3960088768447963684
Diagonal
2814280998.2118
Surface area
2.3760532610688E+19
Volume
7.8805654738409E+27
Space diagonal
3446776219.2147
Perimeter
5969991534
Area
1.7147687373587E+18
Altitude
1723388109.6073
Surface area
1.7147687373587E+18
Volume
9.2873354768958E+26
Height
938093666.0706