16385039427321680

Names of 16385039427321680

• Cardinal: 16385039427321680 can be written as Sixteen quadrillion, three hundred eighty-five trillion, thirty-nine billion, four hundred twenty-seven million, three hundred twenty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.638503942732168 × 10¹⁶

Factors of 16385039427321680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 497

Divisors of 16385039427321680

• Number of divisors d(n): 150
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 89 178 356 401 445 712 802 890 1424 1604 1780 2005 3208 3560 4010 6416 7120 7921 8020 15842 16040 31684 32080 35689 39605 63368 71378 79210 126736 142756 158420 160801 178445 285512 316840 321602 356890 571024 633680 643204 713780 804005 1286408 1427560 1608010 2572816 2855120 3176321 3216020 6352642 6432040 12705284 12864080 14311289 15881605 25410568 28622578 31763210 50821136 57245156 63526420 64481201 71556445 114490312 127052840 128962402 143112890 228980624 254105680 257924804 286225780 322406005 515849608 572451560 644812010 1031699216 1144903120 1273704721 1289624020 2547409442 2579248040 5094818884 5158496080 5738826889 6368523605 10189637768 11477653778 12737047210 20379275536 22955307556 25474094420 25856961601 28694134445 45910615112 50948188840 51713923202 57388268890 91821230224 101896377680 103427846404 114776537780 129284808005 206855692808 229553075560 258569616010 413711385616 459106151120 510755593121 517139232020 1021511186242 1034278464040 2043022372484 2068556928080 2301269582489 2553777965605 4086044744968 4602539164978 5107555931210 8172089489936 9205078329956 10215111862420 11506347912445 18410156659912 20430223724840 23012695824890 36820313319824 40860447449680 46025391649780 92050783299560 184101566599120 204812992841521 409625985683042 819251971366084 1024064964207605 1638503942732168 2048129928415210 3277007885464336 4096259856830420 8192519713660840 16385039427321680
• Sum of all divisors σ(n): 38624382361234230
• Sum of proper divisors (its aliquot sum) s(n): 22239342933912550
• 16385039427321680 is an abundant number, because the sum of its proper divisors (22239342933912550) is greater than itself. Its abundance is 5854303506590870

Bases of 16385039427321680

• Binary: 111010001101100001101101000110101100100011111101010000₂
• Hexadecimal: 0x3A361B46B23F50
• Base-36: 4HC0F75UGCW

Squares and roots of 16385039427321680

• 16385039427321680 squared (16385039427321680²) is 268469517034885967294858198022400
• 16385039427321680 cubed (16385039427321680³) is 4398883621650615982815066226930607414304645632000
• The square root of 16385039427321680 is 128004060.1985799511
• The cube root of 16385039427321680 is 253989.5392560983

Scales and comparisons

• 16,385,039,427,321,680 seconds is equal to 520,993,571 years, 27 weeks, 5 days, 10 hours, 41 minutes, 20 seconds.
• To count from 1 to 16,385,039,427,321,680 would take you about one billion, five hundred sixty-two million, nine hundred eighty thousand, seven hundred fourteen 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 16385039427321680 cubic inches would be around 21165.8 feet tall.

Recreational maths with 16385039427321680

• 16385039427321680 backwards is 08612372493058361
• The number of decimal digits it has is: 17
• The sum of 16385039427321680's digits is 68
• More coming soon!