163440561378221280

Names of 163440561378221280

• Cardinal: 163440561378221280 can be written as One hundred sixty-three quadrillion, four hundred forty trillion, five hundred sixty-one billion, three hundred seventy-eight million, two hundred twenty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.6344056137822128 × 10¹⁷

Factors of 163440561378221280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 40940758

Divisors of 163440561378221280

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 2990791 5981582 8972373 11963164 14953955 17944746 23926328 26917119 29907910 35889492 37949957 44861865 47852656 53834238 59815820 71778984 75899914 89723730 95705312 107668476 113849871 119631640 134585595 143557968 151799828 179447460 189749785 215336952 227699742 239263280 269171190 287115936 303599656 341549613 358894920 379499570 430673904 455399484 478526560 538342380 569249355 607199312 683099226 717789840 758999140 861347808 910798968 1076684760 1138498710 1214398624 1366198452 1435579680 1517998280 1707748065 1821597936 2153369520 2276997420 2732396904 3035996560 3415496130 3643195872 4306739040 4553994840 5464793808 6071993120 6830992260 9107989680 10929587616 13661984520 18215979360 27323969040 54647938080 113500389845987 227000779691974 340501169537961 454001559383948 567501949229935 681002339075922 908003118767896 1021503508613883 1135003898459870 1362004678151844 1702505847689805 1816006237535792 2043007017227766 2270007796919740 2724009356303688 3405011695379610 3632012475071584 4086014034455532 4540015593839480 5107517543069415 5448018712607376 6810023390759220 8172028068911064 9080031187678960 10215035086138830 10896037425214752 13620046781518440 16344056137822128 18160062375357920 20430070172277660 27240093563036880 32688112275644256 40860140344555320 54480187126073760 81720280689110640 163440561378221280
• Sum of all divisors σ(n): 557741116886020704
• Sum of proper divisors (its aliquot sum) s(n): 394300555507799424
• 163440561378221280 is an abundant number, because the sum of its proper divisors (394300555507799424) is greater than itself. Its abundance is 230859994129578144

Bases of 163440561378221280

• Binary: 1001000100101010000101001100011010110101101101110011100000₂
• Hexadecimal: 0x244A8531AD6DCE0
• Base-36: 18PAUDCUCMW0

Squares and roots of 163440561378221280

• 163440561378221280 squared (163440561378221280²) is 26712817103628117513727496644838400
• 163440561378221280 cubed (163440561378221280³) is 4365957823410730539157666502790437202548885041152000
• The square root of 163440561378221280 is 404277826.9683130667
• The cube root of 163440561378221280 is 546747.2597985675

Scales and comparisons

• 163,440,561,378,221,280 seconds is equal to 5,196,904,296 years, 50 weeks, 5 days, 18 hours, 48 minutes.
• To count from 1 to 163,440,561,378,221,280 would take you about fifteen billion, five hundred ninety million, seven hundred twelve thousand, eight hundred ninety 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 163440561378221280 cubic inches would be around 45562.3 feet tall.

Recreational maths with 163440561378221280

• 163440561378221280 backwards is 082122873165044361
• The number of decimal digits it has is: 18
• The sum of 163440561378221280's digits is 63
• More coming soon!