20999986987009329

Names of 20999986987009329

• Cardinal: 20999986987009329 can be written as Twenty quadrillion, nine hundred ninety-nine trillion, nine hundred eighty-six billion, nine hundred eighty-seven million, nine thousand, three hundred twenty-nine.

Scientific notation

• Scientific notation: 2.0999986987009329 × 10¹⁶

Factors of 20999986987009329

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 313

Divisors of 20999986987009329

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 9 13 19 37 39 57 111 117 169 171 241 247 333 361 481 507 703 723 741 1083 1369 1443 1521 2109 2169 2197 2223 3133 3211 3249 4107 4329 4579 4693 6253 6327 6591 8917 9139 9399 9633 12321 13357 13737 14079 17797 18759 19773 26011 26751 27417 28197 28899 40071 40729 41211 41743 42237 50653 53391 56277 58081 59527 61009 78033 80253 81289 82251 87001 115921 118807 120213 122187 125229 151959 160173 169423 173641 174243 178581 183027 231361 234099 243867 261003 329929 338143 347763 356421 366561 375687 455877 494209 508269 520923 522729 529477 535743 549081 658489 694083 731601 755053 773851 783009 793117 962407 989787 1014429 1043289 1069263 1103539 1131013 1482627 1506973 1524807 1544491 1562769 1588431 1975467 2082249 2148997 2202499 2257333 2265159 2321553 2379351 2887221 2969361 3007693 3043287 3219037 3310617 3393039 4289077 4395859 4447881 4520919 4633473 4765293 5926401 6268651 6424717 6446991 6607497 6771999 6795477 6964659 7138053 8560357 8661663 9023079 9657111 9815689 9931851 10060063 10179117 12207373 12511291 12867231 13187577 13562757 13900419 14346007 14703169 18285733 18805953 19274151 19340973 19590649 19822491 20315997 20967241 25681071 27069237 27936961 28632487 28971333 29345329 29447067 30180189 36622119 37533873 38601693 39562731 40830943 41847481 43038021 44109507 54857199 55758001 56417859 57146167 57822453 58771947 62901723 77043213 79512889 81492463 83521321 83810883 85897461 88035987 88341201 90540567 109866357 111284641 112601619 119104369 122492829 125542443 127603957 129114063 132328521 158695849 162646783 164571597 167274003 171438501 176315841 186498091 188705169 191141197 231940087 237714529 238538667 244477389 250563963 251432649 257692383 264107961 272574133 333853923 357313107 363180493 367478487 372222331 376627329 382811871 476087547 487940349 501822009 514315503 530802259 544017253 559494273 573423591 695820261 713143587 715616001 724854013 733432167 751691889 775787917 817722399 1001561769 1033667557 1059402019 1071939321 1085777173 1089541479 1116666993 1148435613 1428262641 1463821047 1510744891 1548356797 1592406777 1632051759 1678482819 1720270773 2063046037 2087460783 2114408179 2139430761 2174562039 2327363751 2424475183 2453167197 2941976893 3015221131 3090288877 3101002671 3178206057 3257331519 3268624437 3350000979 3543463729 4406861653 4532234673 4645070391 4721346409 4777220331 4896155277 6189138111 6343224537 6523686117 6900429367 6982091253 7072224289 7273425549 8825930679 9045663393 9270866631 9303008013 9534618171 9771994557 10085242921 10630391187 13220584959 13437678241 13596704019 13772226247 13935211173 14164039227 18567414333 19029673611 19639683583 20128638361 20701288101 21216672867 21820276647 26477792037 26819598481 27136990179 27812599893 28704152929 30255728763 31891173561 38245699609 39197874703 39661754877 40173755401 40313034723 41316678741 42492117681 46065028477 55897560967 57289201489 58919050749 60385915083 62103864303 63650018601 80458795443 86112458787 89705581771 90767186289 114737098827 117593624109 120521266203 120939104169 123950036223 131108157973 138195085431 167692682901 171867604467 174689817133 176757152247 181157745249 241376386329 255315886579 258337376361 261672298693 269116745313 344211296481 352780872327 361563798609 373153988077 393324473919 414585256293 497194094917 503078048703 509572371139 515602813401 524069451399 726668292571 744759619357 765947659737 785016896079 807350235939 1062053658373 1119461964231 1179973421757 1491582284751 1528717113417 1572208354197 1704406053649 2180004877713 2234278858071 2297842979211 2355050688237 3186160975119 3319106525527 3358385892693 4474746854253 4586151340251 4851001845001 5113218160947 6463523233921 6540014633139 6702836574213 9446687803423 9558482925357 9681875051641 9957319576581 13806697558849 14553005535003 15339654482841 19390569701763 28340063410269 29045625154923 29871958729743 41420092676547 43659016605009 58171709105289 63063023985013 85020190230807 87136875464769 122806941444499 124260278029641 179487068265037 189189071955039 368420824333497 538461204795111 567567215865117 1105262473000491 1615383614385333 2333331887445481 6999995662336443 20999986987009329
• Sum of all divisors σ(n): 35792275020793200
• Sum of proper divisors (its aliquot sum) s(n): 14792288033783871
• 20999986987009329 is a deficient number, because the sum of its proper divisors (14792288033783871) is less than itself. Its deficiency is 6207698953225458

Bases of 20999986987009329

• Binary: 1001010100110110110000001111100101001100000010100110001₂
• Hexadecimal: 0x4A9B607CA60531
• Base-36: 5QRVGU8GVU9

Squares and roots of 20999986987009329

• 20999986987009329 squared (20999986987009329²) is 440999453454561155926203533030241
• 20999986987009329 cubed (20999986987009329³) is 9260982783824010554147229726972121230233506118289
• The square root of 20999986987009329 is 144913722.5628039997
• The cube root of 20999986987009329 is 275892.3606510295

Scales and comparisons

• 20,999,986,987,009,329 seconds is equal to 667,734,628 years, 50 weeks, 5 hours, 42 minutes, 9 seconds.
• To count from 1 to 20,999,986,987,009,329 would take you about two billion, three million, two hundred three thousand, eight hundred eighty-six 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 20999986987009329 cubic inches would be around 22991 feet tall.

Recreational maths with 20999986987009329

• 20999986987009329 backwards is 92390078968999902
• The number of decimal digits it has is: 17
• The sum of 20999986987009329's digits is 99
• More coming soon!