12400165890

Names of 12400165890

• Cardinal: 12400165890 can be written as Twelve billion, four hundred million, one hundred sixty-five thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.240016589 × 10¹⁰

Factors of 12400165890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7825

Divisors of 12400165890

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 38 42 45 49 57 63 70 90 95 98 105 114 126 133 147 171 190 210 245 266 285 294 315 342 361 399 441 490 570 630 665 722 735 798 855 882 931 1083 1197 1330 1470 1710 1805 1862 1995 2166 2205 2394 2527 2793 3249 3610 3990 4410 4655 5054 5415 5586 5985 6498 7581 7789 8379 9310 10830 11970 12635 13965 15162 15578 16245 16758 17689 22743 23367 25270 27930 32490 35378 37905 38945 41895 45486 46734 53067 54523 70101 75810 77890 83790 88445 106134 109046 113715 116835 140202 147991 159201 163569 176890 227430 233670 265335 272615 295982 318402 327138 350505 381661 443973 490707 530670 545230 701010 739955 763322 796005 817845 887946 981414 1035937 1144983 1331919 1479910 1592010 1635690 1908305 2071874 2219865 2289966 2453535 2663838 2811829 3107811 3434949 3816610 4439730 4907070 5179685 5623658 5724915 6215622 6659595 6869898 7251559 8435487 9323433 10359370 11449830 13319190 14059145 14503118 15539055 16870974 17174745 18646866 19682803 21754677 25306461 28118290 31078110 34349490 36257795 39365606 42177435 43509354 46617165 50612922 59048409 65264031 72515590 84354870 93234330 98414015 108773385 118096818 126532305 130528062 137779621 177145227 196828030 217546770 253064610 275559242 295242045 326320155 354290454 413338863 590484090 652640310 688898105 826677726 885726135 1240016589 1377796210 1771452270 2066694315 2480033178 4133388630 6200082945 12400165890
• Sum of all divisors σ(n): 39587050620
• Sum of proper divisors (its aliquot sum) s(n): 27186884730
• 12400165890 is an abundant number, because the sum of its proper divisors (27186884730) is greater than itself. Its abundance is 14786718840

Bases of 12400165890

• Binary: 1011100011000110111000010000000010₂
• Hexadecimal: 0x2E31B8402
• Base-36: 5P2QL8I

Squares and roots of 12400165890

• 12400165890 squared (12400165890²) is 153764114099519492100
• 12400165890 cubed (12400165890³) is 1906700522762929671328544469000
• The square root of 12400165890 is 111356.0321221981
• The cube root of 12400165890 is 2314.5993761781

Scales and comparisons

• 12,400,165,890 seconds is equal to 394 years, 14 weeks, 6 days, 10 hours, 31 minutes, 30 seconds.
• To count from 1 to 12,400,165,890 would take you about seven hundred eighty-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 12400165890 cubic inches would be around 192.9 feet tall.

Recreational maths with 12400165890

• 12400165890 backwards is 09856100421
• The number of decimal digits it has is: 11
• The sum of 12400165890's digits is 36
• More coming soon!