3966858816840

Names of 3966858816840

• Cardinal: 3966858816840 can be written as Three trillion, nine hundred sixty-six billion, eight hundred fifty-eight million, eight hundred sixteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.96685881684 × 10¹²

Factors of 3966858816840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 135859

Divisors of 3966858816840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 31 36 40 45 54 60 62 72 81 90 93 97 108 120 124 135 155 162 180 186 194 216 243 248 270 279 291 310 324 360 372 388 405 465 485 486 540 558 582 620 648 744 776 810 837 873 930 970 972 1080 1116 1164 1215 1240 1395 1455 1620 1674 1746 1860 1940 1944 2232 2328 2430 2511 2619 2790 2910 3007 3240 3348 3492 3720 3880 4185 4365 4860 5022 5238 5580 5820 6014 6696 6984 7533 7857 8370 8730 9021 9720 10044 10476 11160 11640 12028 12555 13095 15035 15066 15714 16740 17460 18042 20088 20952 23571 24056 25110 26190 27063 30070 30132 31428 33480 34920 36084 37665 39285 45105 47142 50220 52380 54126 60140 60264 62856 72168 75330 78570 81189 90210 94284 100440 104760 108252 117855 120280 135315 135721 150660 157140 162378 180420 188568 216504 235710 243567 270630 271442 301320 314280 324756 360840 405945 407163 471420 487134 541260 542884 649512 678605 730701 811890 814326 942840 974268 1082520 1085768 1217835 1221489 1357210 1461402 1623780 1628652 1948536 2035815 2435670 2442978 2714420 2922804 3247560 3257304 3653505 3664467 4071630 4207351 4871340 4885956 5428840 5845608 6107445 7307010 7328934 8143260 8414702 9742680 9771912 10993401 12214890 12622053 13164937 14614020 14657868 16286520 16829404 18322335 21036755 21986802 24429780 25244106 26329874 29228040 29315736 32980203 33658808 36644670 37866159 39494811 42073510 43973604 48859560 50488212 52659748 54967005 63110265 65824685 65960406 73289340 75732318 78989622 84147020 87947208 100976424 105319496 109934010 113598477 118484433 126220530 131649370 131920812 146578680 151464636 157979244 164901015 168294040 189330795 197474055 219868020 227196954 236968866 252441060 263298740 263841624 302929272 315958488 329802030 340795431 355453299 378661590 394948110 408113047 439736040 454393908 473937732 504882120 526597480 567992385 592422165 659604060 681590862 710906598 757323180 789896220 816226094 908787816 947875464 1022386293 1066359897 1135984770 1184844330 1224339141 1319208120 1363181724 1421813196 1514646360 1579792440 1632452188 1703977155 1777266495 2040565235 2044772586 2132719794 2271969540 2369688660 2448678282 2726363448 2843626392 3199079691 3264904376 3407954310 3554532990 3673017423 4081130470 4089545172 4265439588 4543939080 4739377320 4897356564 5111931465 5331799485 6121695705 6398159382 6815908620 7109065980 7346034846 8162260940 8179090344 8530879176 9794713128 10223862930 10663598970 11019052269 12243391410 12796318764 13631817240 14218131960 14692069692 15995398455 16324521880 18365087115 20447725860 21327197940 22038104538 24486782820 25592637528 29384139384 31990796910 33057156807 36730174230 40895451720 42654395880 44076209076 48973565640 55095261345 63981593820 66114313614 73460348460 88152418152 99171470421 110190522690 127963187640 132228627228 146920696920 165285784035 198342940842 220381045380 264457254456 330571568070 396685881684 440762090760 495857352105 661143136140 793371763368 991714704210 1322286272280 1983429408420 3966858816840
• Sum of all divisors σ(n): 13943448529920
• Sum of proper divisors (its aliquot sum) s(n): 9976589713080
• 3966858816840 is an abundant number, because the sum of its proper divisors (9976589713080) is greater than itself. Its abundance is 6009730896240

Bases of 3966858816840

• Binary: 111001101110011011001101011110110101001000₂
• Hexadecimal: 0x39B9B35ED48
• Base-36: 1EMCLBGI0

Squares and roots of 3966858816840

• 3966858816840 squared (3966858816840²) is 15735968872741244667585600
• 3966858816840 cubed (3966858816840³) is 62422366864353402349527572315421504000
• The square root of 3966858816840 is 1991697.4712139391
• The cube root of 3966858816840 is 15830.0485918409

Scales and comparisons

• 3,966,858,816,840 seconds is equal to 126,133 years, 43 weeks, 4 days, 18 hours, 54 minutes.
• To count from 1 to 3,966,858,816,840 would take you about three hundred fifteen thousand, three hundred thirty-four 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 3966858816840 cubic inches would be around 1319.2 feet tall.

Recreational maths with 3966858816840

• 3966858816840 backwards is 0486188586693
• 3966858816840 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3966858816840's digits is 72
• More coming soon!