20715146169840

Names of 20715146169840

• Cardinal: 20715146169840 can be written as Twenty trillion, seven hundred fifteen billion, one hundred forty-six million, one hundred sixty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.071514616984 × 10¹³

Factors of 20715146169840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3720

Divisors of 20715146169840

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 139 144 180 216 240 270 278 360 417 432 540 556 695 720 834 1080 1112 1251 1390 1668 2085 2160 2224 2502 2780 3336 3571 3753 4170 5004 5560 6255 6672 7142 7506 8340 10008 10713 11120 12510 14284 15012 16680 17855 18765 19321 20016 21426 25020 28568 30024 32139 33360 35710 37530 38642 42852 50040 53565 57136 57963 60048 64278 71420 75060 77284 85704 96417 96605 100080 107130 115926 128556 142840 150120 154568 160695 171408 173889 192834 193210 214260 231852 257112 285680 289815 300240 309136 321390 347778 385668 386420 428520 463704 482085 496369 514224 521667 579630 642780 695556 771336 772840 857040 869445 927408 964170 992738 1043334 1159260 1285560 1391112 1489107 1542672 1545680 1738890 1928340 1985476 2086668 2318520 2481845 2571120 2608335 2685619 2782224 2978214 3477780 3856680 3970952 4173336 4467321 4637040 4963690 5216670 5371238 5956428 6955560 7445535 7713360 7941904 8056857 8346672 8934642 9927380 10433340 10742476 11912856 13401963 13428095 13911120 14891070 16113714 17869284 19854760 20866680 21484952 22336605 23825712 24170571 26803926 26856190 29782140 32227428 35738568 39709520 40284285 41733360 42969904 44673210 48341142 53607852 53712380 59564280 64454856 67009815 68995291 71477136 72511713 80568570 89346420 96682284 107215704 107424760 119128560 120852855 128909712 134019630 137990582 145023426 161137140 178692840 193364568 206985873 214431408 214849520 241705710 268039260 275981164 290046852 322274280 344976455 357385680 362558565 386729136 413971746 483411420 536078520 551962328 580093704 620957619 644548560 689952910 725117130 827943492 966822840 1034929365 1072157040 1103924656 1160187408 1241915238 1379905820 1450234260 1655886984 1862872857 1933645680 2069858730 2483830476 2759811640 2900468520 3104788095 3311773968 3725745714 4139717460 4967660952 5519623280 5800937040 6209576190 7451491428 8279434920 9314364285 9590345449 9935321904 12419152380 14902982856 16558869840 18628728570 19180690898 24838304760 28771036347 29805965712 37257457140 38361381796 47951727245 49676609520 57542072694 74514914280 76722763592 86313109041 95903454490 115084145388 143855181735 149029828560 153445527184 172626218082 191806908980 230168290776 258939327123 287710363470 345252436164 383613817960 431565545205 460336581552 517878654246 575420726940 690504872328 767227635920 863131090410 1035757308492 1150841453880 1294696635615 1381009744656 1726262180820 2071514616984 2301682907760 2589393271230 3452524361640 4143029233968 5178786542460 6905048723280 10357573084920 20715146169840
• Sum of all divisors σ(n): 71889340454400
• Sum of proper divisors (its aliquot sum) s(n): 51174194284560
• 20715146169840 is an abundant number, because the sum of its proper divisors (51174194284560) is greater than itself. Its abundance is 30459048114720

Bases of 20715146169840

• Binary: 100101101011100011110111011011100110111110000₂
• Hexadecimal: 0x12D71EEDCDF0
• Base-36: 7CCEN6HO0

Squares and roots of 20715146169840

• 20715146169840 squared (20715146169840²) is 429117280837836822125625600
• 20715146169840 cubed (20715146169840³) is 8889227196560071072006570515153851904000
• The square root of 20715146169840 is 4551389.4768345193
• The cube root of 20715146169840 is 27463.9289804961

Scales and comparisons

• 20,715,146,169,840 seconds is equal to 658,677 years, 29 weeks, 5 days, 5 hours, 24 minutes.
• To count from 1 to 20,715,146,169,840 would take you about one million, six hundred forty-six thousand, six hundred ninety-three 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 20715146169840 cubic inches would be around 2288.7 feet tall.

Recreational maths with 20715146169840

• 20715146169840 backwards is 04896164151702
• 20715146169840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20715146169840's digits is 54
• More coming soon!