20839798367943840

Names of 20839798367943840

• Cardinal: 20839798367943840 can be written as Twenty quadrillion, eight hundred thirty-nine trillion, seven hundred ninety-eight billion, three hundred sixty-seven million, nine hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.083979836794384 × 10¹⁶

Factors of 20839798367943840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 140907

Divisors of 20839798367943840

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 243 270 288 324 360 405 432 480 486 540 648 720 729 810 864 972 1080 1215 1296 1440 1458 1620 1944 2160 2187 2430 2592 2916 3240 3645 3888 4320 4374 4860 5832 6480 6561 7290 7776 8748 9720 10935 11664 12960 13122 14580 17496 19440 21870 23328 26244 29160 32805 34992 38880 43740 52488 58320 65610 69984 87480 104976 116640 131220 140897 174960 209952 262440 281794 349920 422691 524880 563588 704485 845382 1049760 1127176 1268073 1408970 1690764 2113455 2254352 2536146 2817940 3381528 3804219 4226910 4508704 5072292 5635880 6340365 6763056 7608438 8453820 10144584 11271760 11412657 12680730 13526112 15216876 16907640 19021095 20289168 22543520 22825314 25361460 30433752 33815280 34237971 38042190 40578336 45650628 50722920 57063285 60867504 67630560 68475942 76084380 91301256 101445840 102713913 114126570 121735008 136951884 152168760 171189855 182602512 202891680 205427826 228253140 273903768 304337520 308141739 342379710 365205024 410855652 456506280 513569565 547807536 608675040 616283478 684759420 821711304 913012560 924425217 1027139130 1095615072 1232566956 1369518840 1540708695 1643422608 1826025120 1848850434 2054278260 2465133912 2739037680 3081417390 3286845216 3697700868 4108556520 4622126085 4930267824 5478075360 6162834780 7395401736 8217113040 9244252170 9860535648 12325669560 14790803472 16434226080 18488504340 19851964609 24651339120 29581606944 36977008680 39703929218 49302678240 59555893827 73954017360 79407858436 99259823045 119111787654 147908034720 158815716872 178667681481 198519646090 238223575308 297779469135 317631433744 357335362962 397039292180 476447150616 536003044443 595558938270 635262867488 714670725924 794078584360 893338407405 952894301232 1072006088886 1191117876540 1429341451848 1588157168720 1608009133329 1786676814810 1905788602464 2144012177772 2382235753080 2680015222215 2858682903696 3176314337440 3216018266658 3573353629620 4288024355544 4764471506160 4824027399987 5360030444430 5717365807392 6432036533316 7146707259240 8040045666645 8576048711088 9528943012320 9648054799974 10720060888860 12864073066632 14293414518480 14472082199961 16080091333290 17152097422176 19296109599948 21440121777720 24120136999935 25728146133264 28586829036960 28944164399922 32160182666580 38592219199896 42880243555440 43416246599883 48240273999870 51456292266528 57888328799844 64320365333160 72360410999805 77184438399792 85760487110880 86832493199766 96480547999740 115776657599688 128640730666320 130248739799649 144720821999610 154368876799584 173664986399532 192961095999480 217081232999415 231553315199376 257281461332640 260497479599298 289441643999220 347329972799064 385922191998960 434162465998830 463106630398752 520994959198596 578883287998440 651243698998245 694659945598128 771844383997920 868324931997660 1041989918397192 1157766575996880 1302487397996490 1389319891196256 1736649863995320 2083979836794384 2315533151993760 2604974795992980 3473299727990640 4167959673588768 5209949591985960 6946599455981280 10419899183971920 20839798367943840
• Sum of all divisors σ(n): 73847807571278286
• Sum of proper divisors (its aliquot sum) s(n): 53008009203334446
• 20839798367943840 is an abundant number, because the sum of its proper divisors (53008009203334446) is greater than itself. Its abundance is 32168210835390606

Bases of 20839798367943840

• Binary: 1001010000010011010111110101010111010010111110010100000₂
• Hexadecimal: 0x4A09AFAAE97CA0
• Base-36: 5P73B7CMI00

Squares and roots of 20839798367943840

• 20839798367943840 squared (20839798367943840²) is 434297196016554737271309393945600
• 20839798367943840 cubed (20839798367943840³) is 9050665996748383384241012567125427225216815104000
• The square root of 20839798367943840 is 144359961.0970571023
• The cube root of 20839798367943840 is 275189.0638961161

Scales and comparisons

• 20,839,798,367,943,840 seconds is equal to 662,641,126 years, 19 weeks, 2 days, 8 hours, 24 minutes.
• To count from 1 to 20,839,798,367,943,840 would take you about one billion, nine hundred eighty-seven million, nine hundred twenty-three thousand, three hundred seventy-nine 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 20839798367943840 cubic inches would be around 22932.4 feet tall.

Recreational maths with 20839798367943840

• 20839798367943840 backwards is 04834976389793802
• 20839798367943840 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20839798367943840's digits is 90
• More coming soon!