164638256940

Names of 164638256940

• Cardinal: 164638256940 can be written as One hundred sixty-four billion, six hundred thirty-eight million, two hundred fifty-six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.6463825694 × 10¹¹

Factors of 164638256940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6521

Divisors of 164638256940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 37 45 54 60 74 90 108 111 135 148 180 185 222 270 333 370 444 540 555 666 740 999 1110 1332 1665 1741 1998 2220 3330 3482 3996 4733 4995 5223 6660 6964 8705 9466 9990 10446 14199 15669 17410 18932 19980 20892 23665 26115 28398 31338 34820 42597 47007 47330 52230 56796 62676 64417 70995 78345 85194 94014 94660 104460 127791 128834 141990 156690 170388 175121 188028 193251 212985 235035 255582 257668 283980 313380 322085 350242 386502 425970 470070 511164 525363 579753 638955 644170 700484 773004 851940 875605 940140 966255 1050726 1159506 1277910 1288340 1576089 1739259 1751210 1932510 2101452 2319012 2555820 2626815 2898765 3152178 3478518 3502420 3865020 4728267 5253630 5797530 6304356 6957036 7880445 8240153 8696295 9456534 10507260 11595060 15760890 16480306 17392590 18913068 23641335 24720459 31521780 32960612 34785180 41200765 47282670 49440918 74161377 82401530 94565340 98881836 123602295 148322754 164803060 222484131 247204590 296645508 304885661 370806885 444968262 494409180 609771322 741613770 889936524 914656983 1112420655 1219542644 1483227540 1524428305 1829313966 2224841310 2743970949 3048856610 3658627932 4449682620 4573284915 5487941898 6097713220 8231912847 9146569830 10975883796 13719854745 16463825694 18293139660 27439709490 32927651388 41159564235 54879418980 82319128470 164638256940
• Sum of all divisors σ(n): 526464731520
• Sum of proper divisors (its aliquot sum) s(n): 361826474580
• 164638256940 is an abundant number, because the sum of its proper divisors (361826474580) is greater than itself. Its abundance is 197188217640

Bases of 164638256940

• Binary: 10011001010101001101000110111100101100₂
• Hexadecimal: 0x2655346F2C
• Base-36: 23MTD830

Squares and roots of 164638256940

• 164638256940 squared (164638256940²) is 27105755648241458163600
• 164638256940 cubed (164638256940³) is 4462644362968033448299037355384000
• The square root of 164638256940 is 405756.4009846301
• The cube root of 164638256940 is 5480.7953555919

Scales and comparisons

• 164,638,256,940 seconds is equal to 5,234 years, 51 weeks, 2 days, 9 hours, 9 minutes.
• To count from 1 to 164,638,256,940 would take you about ten thousand, four hundred sixty-nine 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 164638256940 cubic inches would be around 456.7 feet tall.

Recreational maths with 164638256940

• 164638256940 backwards is 049652836461
• 164638256940 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 164638256940's digits is 54
• More coming soon!