3985642556940

Names of 3985642556940

• Cardinal: 3985642556940 can be written as Three trillion, nine hundred eighty-five billion, six hundred forty-two million, five hundred fifty-six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.98564255694 × 10¹²

Factors of 3985642556940

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3043

Divisors of 3985642556940

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 31 33 44 55 60 62 66 93 110 124 132 139 155 165 186 220 278 310 330 341 372 417 465 556 620 631 660 682 695 834 930 1023 1262 1364 1390 1529 1668 1705 1860 1893 2046 2085 2221 2524 2780 3058 3155 3410 3786 4092 4170 4309 4442 4587 5115 6116 6310 6663 6820 6941 7572 7645 8340 8618 8884 9174 9465 10230 11105 12620 12927 13326 13882 15290 17236 18348 18930 19561 20460 20823 21545 22210 22935 24431 25854 26652 27764 30580 33315 34705 37860 39122 41646 43090 44420 45870 47399 48862 51708 58683 64635 66630 68851 69410 73293 78244 83292 86180 87709 91740 94798 97724 97805 104115 117366 122155 129270 133260 137702 138820 142197 146586 175418 189596 195610 206553 208230 215171 234732 236995 244310 258540 263127 275404 284394 293172 293415 308719 344255 350836 366465 391220 413106 416460 430342 438545 473990 488620 526254 568788 586830 617438 645513 688510 710985 732930 757361 826212 860684 877090 926157 947980 964799 1032765 1052508 1075855 1173660 1234876 1291026 1315635 1377020 1401451 1421970 1465860 1514722 1543595 1754180 1852314 1929598 2065530 2151710 2272083 2582052 2631270 2718979 2802902 2843940 2894397 3029444 3087190 3227565 3395909 3704628 3786805 3859196 4131060 4204353 4303420 4544166 4630785 4823995 5262540 5437958 5605804 5788794 6174380 6455130 6791818 7007255 7573610 8156937 8408706 9088332 9261570 9570289 9647990 10187727 10875916 11360415 11577588 12910260 13583636 13594895 14014510 14471985 15147220 15415961 16313874 16817412 16979545 18523140 19140578 19295980 20375454 21021765 22720830 27189790 28029020 28710867 28943970 29908769 30831922 32627748 33959090 38281156 40750908 40784685 42043530 43444981 45441660 46247883 47851445 50938635 54379580 57421734 57887940 59817538 61663844 67918180 77079805 81569370 84087060 86889962 89726307 92495766 95702890 101877270 105273179 114843468 119635076 130334943 143554335 149543845 154159610 163138740 173779924 179452614 184991532 191405780 194801689 203754540 210546358 217224905 231239415 260669886 287108670 299087690 308319220 315819537 358905228 389603378 421092716 434449810 448631535 462478830 477894791 521339772 526365895 574217340 584405067 598175380 631639074 651674715 779206756 868899620 897263070 924957660 955789582 974008445 1052731790 1168810134 1263278148 1303349430 1433684373 1579097685 1794526140 1911579164 1948016890 2105463580 2142818579 2337620268 2389473955 2606698860 2867368746 2922025335 3158195370 3896033780 4285637158 4778947910 5734737492 5844050670 6038852359 6316390740 6428455737 7168421865 8571274316 9557895820 10714092895 11688101340 12077704718 12856911474 14336843730 18116557077 21428185790 24155409436 25713822948 28673687460 30194261795 32142278685 36233114154 42856371580 60388523590 64284557370 66427375949 72466228308 90582785385 120777047180 128569114740 132854751898 181165570770 199282127847 265709503796 332136879745 362331141540 398564255694 664273759490 797128511388 996410639235 1328547518980 1992821278470 3985642556940
• Sum of all divisors σ(n): 12683224350720
• Sum of proper divisors (its aliquot sum) s(n): 8697581793780
• 3985642556940 is an abundant number, because the sum of its proper divisors (8697581793780) is greater than itself. Its abundance is 4711939236840

Bases of 3985642556940

• Binary: 111001111111111010110011110000111000001100₂
• Hexadecimal: 0x39FFACF0E0C
• Base-36: 1EUZ8O74C

Squares and roots of 3985642556940

• 3985642556940 squared (3985642556940²) is 15885346591691221142163600
• 3985642556940 cubed (3985642556940³) is 63313313407586312792003917947795384000
• The square root of 3985642556940 is 1996407.4125638785
• The cube root of 3985642556940 is 15854.9952337477

Scales and comparisons

• 3,985,642,556,940 seconds is equal to 126,731 years, 5 weeks, 3 days, 4 hours, 29 minutes.
• To count from 1 to 3,985,642,556,940 would take you about three hundred sixteen thousand, eight hundred twenty-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 3985642556940 cubic inches would be around 1321.2 feet tall.

Recreational maths with 3985642556940

• 3985642556940 backwards is 0496552465893
• 3985642556940 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3985642556940's digits is 66
• More coming soon!