18381285621760000

Names of 18381285621760000

• Cardinal: 18381285621760000 can be written as Eighteen quadrillion, three hundred eighty-one trillion, two hundred eighty-five billion, six hundred twenty-one million, seven hundred sixty thousand.

Scientific notation

• Scientific notation: 1.838128562176 × 10¹⁶

Factors of 18381285621760000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 34
• Sum of prime factors: 338

Divisors of 18381285621760000

• Number of divisors d(n): 435
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 331 400 500 512 625 640 662 800 1000 1024 1250 1280 1324 1600 1655 2000 2048 2500 2560 2648 3200 3310 4000 4096 5000 5120 5296 6400 6620 8000 8192 8275 10000 10240 10592 12800 13240 16000 16384 16550 20000 20480 21184 25600 26480 32000 32768 33100 40000 40960 41375 42368 51200 52960 64000 65536 66200 80000 81920 82750 84736 102400 105920 109561 128000 131072 132400 160000 163840 165500 169472 204800 206875 211840 219122 256000 262144 264800 320000 327680 331000 338944 409600 413750 423680 438244 512000 524288 529600 547805 640000 655360 662000 677888 819200 827500 847360 876488 1024000 1048576 1059200 1095610 1280000 1310720 1324000 1355776 1638400 1655000 1694720 1752976 2048000 2097152 2118400 2191220 2560000 2621440 2648000 2711552 2739025 3276800 3310000 3389440 3505952 4096000 4194304 4236800 4382440 5120000 5242880 5296000 5423104 5478050 6553600 6620000 6778880 7011904 8192000 8388608 8473600 8764880 10240000 10485760 10592000 10846208 10956100 13107200 13240000 13557760 13695125 14023808 16384000 16777216 16947200 17529760 20480000 20971520 21184000 21692416 21912200 26214400 26480000 27115520 27390250 28047616 32768000 33554432 33894400 35059520 40960000 41943040 42368000 43384832 43824400 52428800 52960000 54231040 54780500 56095232 65536000 67108864 67788800 68475625 70119040 81920000 83886080 84736000 86769664 87648800 104857600 105920000 108462080 109561000 112190464 131072000 134217728 135577600 136951250 140238080 163840000 167772160 169472000 173539328 175297600 209715200 211840000 216924160 219122000 224380928 262144000 268435456 271155200 273902500 280476160 327680000 335544320 338944000 347078656 350595200 419430400 423680000 433848320 438244000 448761856 524288000 542310400 547805000 560952320 655360000 671088640 677888000 694157312 701190400 838860800 847360000 867696640 876488000 897523712 1048576000 1084620800 1095610000 1121904640 1310720000 1342177280 1355776000 1388314624 1402380800 1677721600 1694720000 1735393280 1752976000 1795047424 2097152000 2169241600 2191220000 2243809280 2621440000 2711552000 2776629248 2804761600 3355443200 3389440000 3470786560 3505952000 3590094848 4194304000 4338483200 4382440000 4487618560 5242880000 5423104000 5553258496 5609523200 6710886400 6778880000 6941573120 7011904000 7180189696 8388608000 8676966400 8764880000 8975237120 10485760000 10846208000 11106516992 11219046400 13557760000 13883146240 14023808000 14360379392 16777216000 17353932800 17529760000 17950474240 20971520000 21692416000 22213033984 22438092800 27115520000 27766292480 28047616000 28720758784 33554432000 34707865600 35059520000 35900948480 41943040000 43384832000 44426067968 44876185600 54231040000 55532584960 56095232000 57441517568 69415731200 70119040000 71801896960 83886080000 86769664000 88852135936 89752371200 108462080000 111065169920 112190464000 114883035136 138831462400 140238080000 143603793920 167772160000 173539328000 179504742400 216924160000 222130339840 224380928000 229766070272 277662924800 280476160000 287207587840 347078656000 359009484800 433848320000 444260679680 448761856000 459532140544 555325849600 560952320000 574415175680 694157312000 718018969600 867696640000 897523712000 919064281088 1110651699200 1121904640000 1148830351360 1388314624000 1436037939200 1735393280000 1795047424000 1838128562176 2221303398400 2243809280000 2297660702720 2776629248000 2872075878400 3470786560000 3590094848000 3676257124352 4487618560000 4595321405440 5553258496000 5744151756800 6941573120000 7180189696000 7352514248704 8975237120000 9190642810880 11106516992000 11488303513600 13883146240000 14360379392000 14705028497408 17950474240000 18381285621760 22976607027200 27766292480000 28720758784000 29410056994816 35900948480000 36762571243520 45953214054400 55532584960000 57441517568000 71801896960000 73525142487040 91906428108800 114883035136000 143603793920000 147050284974080 183812856217600 229766070272000 287207587840000 367625712435200 459532140544000 574415175680000 735251424870400 919064281088000 1148830351360000 1838128562176000 2297660702720000 3676257124352000 4595321405440000 9190642810880000 18381285621760000
• Sum of all divisors σ(n): 46077715272590463
• Sum of proper divisors (its aliquot sum) s(n): 27696429650830463
• 18381285621760000 is an abundant number, because the sum of its proper divisors (27696429650830463) is greater than itself. Its abundance is 9315144029070463

Bases of 18381285621760000

• Binary: 1000001010011011010111010010000000000000000000000000000₂
• Hexadecimal: 0x414DAE90000000
• Base-36: 50ZME1GGQV4

Squares and roots of 18381285621760000

• 18381285621760000 squared (18381285621760000²) is 337871661108720909785497600000000
• 18381285621760000 cubed (18381285621760000³) is 6210515506337899039184833120646987776000000000000
• 18381285621760000 is a perfect square number. Its square root is 135577600
• The cube root of 18381285621760000 is 263911.6900344253

Scales and comparisons

• 18,381,285,621,760,000 seconds is equal to 584,468,025 years, 37 weeks, 3 days, 23 hours, 6 minutes, 40 seconds.
• To count from 1 to 18,381,285,621,760,000 would take you about one billion, seven hundred fifty-three million, four hundred four thousand and seventy-seven 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 18381285621760000 cubic inches would be around 21992.6 feet tall.

Recreational maths with 18381285621760000

• 18381285621760000 backwards is 00006712658218381
• The number of decimal digits it has is: 17
• The sum of 18381285621760000's digits is 58
• More coming soon!