18916311040

Names of 18916311040

• Cardinal: 18916311040 can be written as Eighteen billion, nine hundred sixteen million, three hundred eleven thousand and forty.

Scientific notation

• Scientific notation: 1.891631104 × 10¹⁰

Factors of 18916311040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 26
• Sum of prime factors: 59

Divisors of 18916311040

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 41 44 55 64 80 82 88 110 128 160 164 176 205 220 256 320 328 352 410 440 451 512 640 656 704 820 880 902 1024 1280 1312 1408 1640 1760 1804 2048 2255 2560 2624 2816 3280 3520 3608 4096 4510 5120 5248 5632 6560 7040 7216 8192 9020 10240 10496 11264 13120 14080 14432 16384 18040 20480 20992 22528 26240 28160 28864 32768 36080 40960 41984 45056 52480 56320 57728 65536 72160 81920 83968 90112 104960 112640 115456 131072 144320 163840 167936 180224 209920 225280 230912 262144 288640 327680 335872 360448 419840 450560 461824 524288 577280 655360 671744 720896 839680 901120 923648 1048576 1154560 1310720 1343488 1441792 1679360 1802240 1847296 2097152 2309120 2621440 2686976 2883584 3358720 3604480 3694592 4194304 4618240 5242880 5373952 5767168 6717440 7208960 7389184 8388608 9236480 10485760 10747904 11534336 13434880 14417920 14778368 18472960 20971520 21495808 23068672 26869760 28835840 29556736 36945920 41943040 42991616 46137344 53739520 57671680 59113472 73891840 85983232 92274688 107479040 115343360 118226944 147783680 171966464 214958080 230686720 236453888 295567360 343932928 429916160 461373440 472907776 591134720 859832320 945815552 1182269440 1719664640 1891631104 2364538880 3783262208 4729077760 9458155520 18916311040
• Sum of all divisors σ(n): 50734298160
• Sum of proper divisors (its aliquot sum) s(n): 31817987120
• 18916311040 is an abundant number, because the sum of its proper divisors (31817987120) is greater than itself. Its abundance is 12901676080

Bases of 18916311040

• Binary: 10001100111100000000000000000000000₂
• Hexadecimal: 0x467800000
• Base-36: 8OUA70G

Squares and roots of 18916311040

• 18916311040 squared (18916311040²) is 357826823362025881600
• 18916311040 cubed (18916311040³) is 6768763489171220100875812864000
• The square root of 18916311040 is 137536.5807339997
• The cube root of 18916311040 is 2664.4780620229

Scales and comparisons

• 18,916,311,040 seconds is equal to 601 years, 24 weeks, 6 days, 18 hours, 50 minutes, 40 seconds.
• To count from 1 to 18,916,311,040 would take you about one thousand, two hundred two 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 18916311040 cubic inches would be around 222 feet tall.

Recreational maths with 18916311040

• 18916311040 backwards is 04011361981
• The number of decimal digits it has is: 11
• The sum of 18916311040's digits is 34
• More coming soon!