20988887040
20,988,887,040 is an even composite number composed of five prime numbers multiplied together.
20988887040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred eight divisors.
Prime factorization of 20988887040:
216 × 32 × 5 × 11 × 647
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 647)See below for interesting mathematical facts about the number 20988887040 from the Numbermatics database.
Names of 20988887040
- Cardinal: 20988887040 can be written as Twenty billion, nine hundred eighty-eight million, eight hundred eighty-seven thousand and forty.
Scientific notation
- Scientific notation: 2.098888704 × 1010
Factors of 20988887040
Divisors of 20988887040
- Number of divisors d(n): 408
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 144 160 165 176 180 192 198 220 240 256 264 288 320 330 352 360 384 396 440 480 495 512 528 576 640 647 660 704 720 768 792 880 960 990 1024 1056 1152 1280 1294 1320 1408 1440 1536 1584 1760 1920 1941 1980 2048 2112 2304 2560 2588 2640 2816 2880 3072 3168 3235 3520 3840 3882 3960 4096 4224 4608 5120 5176 5280 5632 5760 5823 6144 6336 6470 7040 7117 7680 7764 7920 8192 8448 9216 9705 10240 10352 10560 11264 11520 11646 12288 12672 12940 14080 14234 15360 15528 15840 16384 16896 18432 19410 20480 20704 21120 21351 22528 23040 23292 24576 25344 25880 28160 28468 29115 30720 31056 31680 32768 33792 35585 36864 38820 40960 41408 42240 42702 45056 46080 46584 49152 50688 51760 56320 56936 58230 61440 62112 63360 64053 65536 67584 71170 73728 77640 81920 82816 84480 85404 90112 92160 93168 98304 101376 103520 106755 112640 113872 116460 122880 124224 126720 128106 135168 142340 147456 155280 163840 165632 168960 170808 180224 184320 186336 196608 202752 207040 213510 225280 227744 232920 245760 248448 253440 256212 270336 284680 294912 310560 320265 327680 331264 337920 341616 360448 368640 372672 405504 414080 427020 450560 455488 465840 491520 496896 506880 512424 540672 569360 589824 621120 640530 662528 675840 683232 720896 737280 745344 811008 828160 854040 901120 910976 931680 983040 993792 1013760 1024848 1081344 1138720 1242240 1281060 1325056 1351680 1366464 1474560 1490688 1622016 1656320 1708080 1802240 1821952 1863360 1987584 2027520 2049696 2162688 2277440 2484480 2562120 2650112 2703360 2732928 2949120 2981376 3244032 3312640 3416160 3604480 3643904 3726720 3975168 4055040 4099392 4554880 4968960 5124240 5300224 5406720 5465856 5962752 6488064 6625280 6832320 7287808 7453440 7950336 8110080 8198784 9109760 9937920 10248480 10600448 10813440 10931712 11925504 13250560 13664640 14575616 14906880 15900672 16220160 16397568 18219520 19875840 20496960 21200896 21863424 23851008 26501120 27329280 29151232 29813760 31801344 32440320 32795136 36439040 39751680 40993920 42401792 43726848 47702016 53002240 54658560 58302464 59627520 63602688 65590272 72878080 79503360 81987840 87453696 95404032 106004480 109317120 116604928 119255040 127205376 131180544 145756160 159006720 163975680 174907392 190808064 212008960 218634240 233209856 238510080 262361088 291512320 318013440 327951360 349814784 381616128 437268480 466419712 477020160 524722176 583024640 636026880 655902720 699629568 874536960 954040320 1049444352 1166049280 1311805440 1399259136 1749073920 1908080640 2098888704 2332098560 2623610880 3498147840 4197777408 5247221760 6996295680 10494443520 20988887040
- Sum of all divisors σ(n): 79498231488
- Sum of proper divisors (its aliquot sum) s(n): 58509344448
- 20988887040 is an abundant number, because the sum of its proper divisors (58509344448) is greater than itself. Its abundance is 37520457408
Bases of 20988887040
- Binary: 100111000110000100100000000000000002
- Hexadecimal: 0x4E3090000
- Base-36: 9N48OW0
Squares and roots of 20988887040
- 20988887040 squared (209888870402) is 440533379177879961600
- 20988887040 cubed (209888870403) is 9246305332914010580701937664000
-
The
square root of 20988887040 is 144875.4190330437 -
The
cube root of 20988887040 is 2758.4374267957
Scales and comparisons
How big is 20988887040?- 20,988,887,040 seconds is equal to 667 years, 19 weeks, 5 days, 22 hours, 24 minutes.
-
To count from 1 to 20,988,887,040 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 20988887040 cubic inches would be around 229.9 feet tall.
Recreational maths with 20988887040
- 20988887040 backwards is 04078888902
- The number of decimal digits it has is: 11
- The sum of 20988887040's digits is 54
- More coming soon!
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