18198668160

Names of 18198668160

• Cardinal: 18198668160 can be written as Eighteen billion, one hundred ninety-eight million, six hundred sixty-eight thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.819866816 × 10¹⁰

Factors of 18198668160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 166318

Divisors of 18198668160

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 64 72 76 80 90 95 96 114 120 128 144 152 160 171 180 190 192 228 240 285 288 304 320 342 360 380 384 456 480 570 576 608 640 684 720 760 855 912 960 1140 1152 1216 1368 1440 1520 1710 1824 1920 2280 2432 2736 2880 3040 3420 3648 4560 5472 5760 6080 6840 7296 9120 10944 12160 13680 18240 21888 27360 36480 54720 109440 166289 332578 498867 665156 831445 997734 1330312 1496601 1662890 1995468 2494335 2660624 2993202 3159491 3325780 3990936 4988670 5321248 5986404 6318982 6651560 7483005 7981872 9478473 9977340 10642496 11972808 12637964 13303120 14966010 15797455 15963744 18956946 19954680 21284992 23945616 25275928 26606240 28435419 29932020 31594910 31927488 37913892 39909360 47392365 47891232 50551856 53212480 56870838 59864040 63189820 63854976 75827784 79818720 94784730 95782464 101103712 106424960 113741676 119728080 126379640 142177095 151655568 159637440 189569460 191564928 202207424 227483352 239456160 252759280 284354190 303311136 319274880 379138920 404414848 454966704 478912320 505518560 568708380 606622272 758277840 909933408 957824640 1011037120 1137416760 1213244544 1516555680 1819866816 2022074240 2274833520 3033111360 3639733632 4549667040 6066222720 9099334080 18198668160
• Sum of all divisors σ(n): 66150162000
• Sum of proper divisors (its aliquot sum) s(n): 47951493840
• 18198668160 is an abundant number, because the sum of its proper divisors (47951493840) is greater than itself. Its abundance is 29752825680

Bases of 18198668160

• Binary: 10000111100101110011010001110000000₂
• Hexadecimal: 0x43CB9A380
• Base-36: 8CZ0M80

Squares and roots of 18198668160

• 18198668160 squared (18198668160²) is 331191522797797785600
• 18198668160 cubed (18198668160³) is 6027244620802196678917226496000
• The square root of 18198668160 is 134902.4394145635
• The cube root of 18198668160 is 2630.3479499353

Scales and comparisons

• 18,198,668,160 seconds is equal to 578 years, 34 weeks, 2 days, 17 hours, 36 minutes.
• To count from 1 to 18,198,668,160 would take you about one thousand, one hundred fifty-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 18198668160 cubic inches would be around 219.2 feet tall.

Recreational maths with 18198668160

• 18198668160 backwards is 06186689181
• The number of decimal digits it has is: 11
• The sum of 18198668160's digits is 54
• More coming soon!