20984017920
20,984,017,920 is an even composite number composed of five prime numbers multiplied together.
20984017920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred seventy-six divisors.
Prime factorization of 20984017920:
210 × 3 × 5 × 79 × 17293
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 79 × 17293)See below for interesting mathematical facts about the number 20984017920 from the Numbermatics database.
Names of 20984017920
- Cardinal: 20984017920 can be written as Twenty billion, nine hundred eighty-four million, seventeen thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.098401792 × 1010
Factors of 20984017920
Divisors of 20984017920
- Number of divisors d(n): 176
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 79 80 96 120 128 158 160 192 237 240 256 316 320 384 395 474 480 512 632 640 768 790 948 960 1024 1185 1264 1280 1536 1580 1896 1920 2370 2528 2560 3072 3160 3792 3840 4740 5056 5120 6320 7584 7680 9480 10112 12640 15168 15360 17293 18960 20224 25280 30336 34586 37920 40448 50560 51879 60672 69172 75840 80896 86465 101120 103758 121344 138344 151680 172930 202240 207516 242688 259395 276688 303360 345860 404480 415032 518790 553376 606720 691720 830064 1037580 1106752 1213440 1366147 1383440 1660128 2075160 2213504 2732294 2766880 3320256 4098441 4150320 4427008 5464588 5533760 6640512 6830735 8196882 8300640 8854016 10929176 11067520 13281024 13661470 16393764 16601280 17708032 20492205 21858352 22135040 26562048 27322940 32787528 33202560 40984410 43716704 44270080 53124096 54645880 65575056 66405120 81968820 87433408 88540160 109291760 131150112 132810240 163937640 174866816 218583520 262300224 265620480 327875280 349733632 437167040 524600448 655750560 699467264 874334080 1049200896 1311501120 1398934528 1748668160 2098401792 2623002240 3497336320 4196803584 5246004480 6994672640 10492008960 20984017920
- Sum of all divisors σ(n): 67969570560
- Sum of proper divisors (its aliquot sum) s(n): 46985552640
- 20984017920 is an abundant number, because the sum of its proper divisors (46985552640) is greater than itself. Its abundance is 26001534720
Bases of 20984017920
- Binary: 100111000101011111010110100000000002
- Hexadecimal: 0x4E2BEB400
- Base-36: 9N1CBUO
Squares and roots of 20984017920
- 20984017920 squared (209840179202) is 440329008066881126400
- 20984017920 cubed (209840179203) is 9239871795971258114887385088000
-
The
square root of 20984017920 is 144858.6135512831 -
The
cube root of 20984017920 is 2758.2241043589
Scales and comparisons
How big is 20984017920?- 20,984,017,920 seconds is equal to 667 years, 11 weeks, 5 days, 13 hours, 52 minutes.
-
To count from 1 to 20,984,017,920 would take you about one thousand, three hundred thirty-four years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 20984017920 cubic inches would be around 229.9 feet tall.
Recreational maths with 20984017920
- 20984017920 backwards is 02971048902
- The number of decimal digits it has is: 11
- The sum of 20984017920's digits is 42
- More coming soon!
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