18000000000000

Names of 18000000000000

• Cardinal: 18000000000000 can be written as Eighteen trillion.

Scientific notation

• Scientific notation: 1.8 × 10¹³

Factors of 18000000000000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 10

Divisors of 18000000000000

• Number of divisors d(n): 546
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 125 128 144 150 160 180 192 200 225 240 250 256 288 300 320 360 375 384 400 450 480 500 512 576 600 625 640 720 750 768 800 900 960 1000 1024 1125 1152 1200 1250 1280 1440 1500 1536 1600 1800 1875 1920 2000 2048 2250 2304 2400 2500 2560 2880 3000 3072 3125 3200 3600 3750 3840 4000 4096 4500 4608 4800 5000 5120 5625 5760 6000 6144 6250 6400 7200 7500 7680 8000 8192 9000 9216 9375 9600 10000 10240 11250 11520 12000 12288 12500 12800 14400 15000 15360 15625 16000 18000 18432 18750 19200 20000 20480 22500 23040 24000 24576 25000 25600 28125 28800 30000 30720 31250 32000 36000 36864 37500 38400 40000 40960 45000 46080 46875 48000 50000 51200 56250 57600 60000 61440 62500 64000 72000 73728 75000 76800 78125 80000 90000 92160 93750 96000 100000 102400 112500 115200 120000 122880 125000 128000 140625 144000 150000 153600 156250 160000 180000 184320 187500 192000 200000 204800 225000 230400 234375 240000 250000 256000 281250 288000 300000 307200 312500 320000 360000 368640 375000 384000 390625 400000 450000 460800 468750 480000 500000 512000 562500 576000 600000 614400 625000 640000 703125 720000 750000 768000 781250 800000 900000 921600 937500 960000 1000000 1024000 1125000 1152000 1171875 1200000 1250000 1280000 1406250 1440000 1500000 1536000 1562500 1600000 1800000 1843200 1875000 1920000 1953125 2000000 2250000 2304000 2343750 2400000 2500000 2560000 2812500 2880000 3000000 3072000 3125000 3200000 3515625 3600000 3750000 3840000 3906250 4000000 4500000 4608000 4687500 4800000 5000000 5120000 5625000 5760000 5859375 6000000 6250000 6400000 7031250 7200000 7500000 7680000 7812500 8000000 9000000 9216000 9375000 9600000 9765625 10000000 11250000 11520000 11718750 12000000 12500000 12800000 14062500 14400000 15000000 15360000 15625000 16000000 17578125 18000000 18750000 19200000 19531250 20000000 22500000 23040000 23437500 24000000 25000000 25600000 28125000 28800000 29296875 30000000 31250000 32000000 35156250 36000000 37500000 38400000 39062500 40000000 45000000 46080000 46875000 48000000 48828125 50000000 56250000 57600000 58593750 60000000 62500000 64000000 70312500 72000000 75000000 76800000 78125000 80000000 87890625 90000000 93750000 96000000 97656250 100000000 112500000 115200000 117187500 120000000 125000000 128000000 140625000 144000000 146484375 150000000 156250000 160000000 175781250 180000000 187500000 192000000 195312500 200000000 225000000 230400000 234375000 240000000 244140625 250000000 281250000 288000000 292968750 300000000 312500000 320000000 351562500 360000000 375000000 384000000 390625000 400000000 439453125 450000000 468750000 480000000 488281250 500000000 562500000 576000000 585937500 600000000 625000000 640000000 703125000 720000000 732421875 750000000 781250000 800000000 878906250 900000000 937500000 960000000 976562500 1000000000 1125000000 1152000000 1171875000 1200000000 1250000000 1406250000 1440000000 1464843750 1500000000 1562500000 1600000000 1757812500 1800000000 1875000000 1920000000 1953125000 2000000000 2197265625 2250000000 2343750000 2400000000 2500000000 2812500000 2880000000 2929687500 3000000000 3125000000 3200000000 3515625000 3600000000 3750000000 3906250000 4000000000 4394531250 4500000000 4687500000 4800000000 5000000000 5625000000 5760000000 5859375000 6000000000 6250000000 7031250000 7200000000 7500000000 7812500000 8000000000 8789062500 9000000000 9375000000 9600000000 10000000000 11250000000 11718750000 12000000000 12500000000 14062500000 14400000000 15000000000 15625000000 16000000000 17578125000 18000000000 18750000000 20000000000 22500000000 23437500000 24000000000 25000000000 28125000000 28800000000 30000000000 31250000000 35156250000 36000000000 37500000000 40000000000 45000000000 46875000000 48000000000 50000000000 56250000000 60000000000 62500000000 70312500000 72000000000 75000000000 80000000000 90000000000 93750000000 100000000000 112500000000 120000000000 125000000000 140625000000 144000000000 150000000000 180000000000 187500000000 200000000000 225000000000 240000000000 250000000000 281250000000 300000000000 360000000000 375000000000 400000000000 450000000000 500000000000 562500000000 600000000000 720000000000 750000000000 900000000000 1000000000000 1125000000000 1200000000000 1500000000000 1800000000000 2000000000000 2250000000000 3000000000000 3600000000000 4500000000000 6000000000000 9000000000000 18000000000000
• Sum of all divisors σ(n): 64996032661599
• Sum of proper divisors (its aliquot sum) s(n): 46996032661599
• 18000000000000 is an abundant number, because the sum of its proper divisors (46996032661599) is greater than itself. Its abundance is 28996032661599

Bases of 18000000000000

• Binary: 100000101111011110011100110110010000000000000₂
• Hexadecimal: 0x105EF39B2000
• Base-36: 6DP3394W0

Squares and roots of 18000000000000

• 18000000000000 squared (18000000000000²) is 324000000000000000000000000
• 18000000000000 cubed (18000000000000³) is 5832000000000000000000000000000000000000
• The square root of 18000000000000 is 4242640.6871192851
• The cube root of 18000000000000 is 26207.4139420889

Scales and comparisons

• 18,000,000,000,000 seconds is equal to 572,344 years, 16 weeks, 5 days, 8 hours.
• To count from 1 to 18,000,000,000,000 would take you about one million, four hundred thirty thousand, eight hundred sixty 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 18000000000000 cubic inches would be around 2184 feet tall.

Recreational maths with 18000000000000

• 18000000000000 backwards is 00000000000081
• 18000000000000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18000000000000's digits is 9
• More coming soon!