18321390960640

Names of 18321390960640

• Cardinal: 18321390960640 can be written as Eighteen trillion, three hundred twenty-one billion, three hundred ninety million, nine hundred sixty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.832139096064 × 10¹³

Factors of 18321390960640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 30
• Sum of prime factors: 1217

Divisors of 18321390960640

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 256 320 368 460 512 640 736 920 1024 1187 1280 1472 1840 2048 2374 2560 2944 3680 4096 4748 5120 5888 5935 7360 8192 9496 10240 11776 11870 14720 16384 18992 20480 23552 23740 27301 29440 32768 37984 40960 47104 47480 54602 58880 65536 75968 81920 94208 94960 109204 117760 131072 136505 151936 163840 188416 189920 218408 235520 262144 273010 303872 327680 376832 379840 436816 471040 524288 546020 607744 655360 753664 759680 873632 942080 1048576 1092040 1215488 1310720 1507328 1519360 1747264 1884160 2097152 2184080 2430976 2621440 3014656 3038720 3494528 3768320 4194304 4368160 4861952 5242880 6029312 6077440 6989056 7536640 8388608 8736320 9723904 10485760 12058624 12154880 13978112 15073280 16777216 17472640 19447808 20971520 24117248 24309760 27956224 30146560 33554432 34945280 38895616 41943040 48234496 48619520 55912448 60293120 67108864 69890560 77791232 83886080 96468992 97239040 111824896 120586240 134217728 139781120 155582464 167772160 192937984 194478080 223649792 241172480 279562240 311164928 335544320 385875968 388956160 447299584 482344960 559124480 622329856 671088640 771751936 777912320 894599168 964689920 1118248960 1244659712 1543503872 1555824640 1789198336 1929379840 2236497920 2489319424 3087007744 3111649280 3578396672 3858759680 4472995840 4978638848 6223298560 7156793344 7717519360 8945991680 9957277696 12446597120 14313586688 15435038720 17891983360 19914555392 24893194240 28627173376 35783966720 39829110784 49786388480 57254346752 71567933440 79658221568 99572776960 114508693504 143135866880 159316443136 199145553920 229017387008 286271733760 398291107840 458034774016 572543467520 796582215680 916069548032 1145086935040 1832139096064 2290173870080 3664278192128 4580347740160 9160695480320 18321390960640
• Sum of all divisors σ(n): 45921790157760
• Sum of proper divisors (its aliquot sum) s(n): 27600399197120
• 18321390960640 is an abundant number, because the sum of its proper divisors (27600399197120) is greater than itself. Its abundance is 9279008236480

Bases of 18321390960640

• Binary: 100001010100111001000000000000000000000000000₂
• Hexadecimal: 0x10A9C8000000
• Base-36: 6HSQB4T8G

Squares and roots of 18321390960640

• 18321390960640 squared (18321390960640²) is 335673366732621102029209600
• 18321390960640 cubed (18321390960640³) is 6150002986982639950532075926683910144000
• The square root of 18321390960640 is 4280349.3970282379
• The cube root of 18321390960640 is 26362.4729672943

Scales and comparisons

• 18,321,390,960,640 seconds is equal to 582,563 years, 29 weeks, 1 day, 2 hours, 50 minutes, 40 seconds.
• To count from 1 to 18,321,390,960,640 would take you about one million, four hundred fifty-six thousand, four hundred eight 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 18321390960640 cubic inches would be around 2196.9 feet tall.

Recreational maths with 18321390960640

• 18321390960640 backwards is 04606909312381
• The number of decimal digits it has is: 14
• The sum of 18321390960640's digits is 52
• More coming soon!