420323621640

Names of 420323621640

• Cardinal: 420323621640 can be written as Four hundred twenty billion, three hundred twenty-three million, six hundred twenty-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.2032362164 × 10¹¹

Factors of 420323621640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 840

Divisors of 420323621640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 17 20 24 26 30 34 39 40 51 52 60 65 68 78 85 102 104 120 130 136 156 157 170 195 204 221 255 260 312 314 340 390 408 442 471 510 520 628 643 663 680 780 785 884 942 1020 1105 1256 1286 1326 1560 1570 1768 1884 1929 2040 2041 2210 2355 2572 2652 2669 3140 3215 3315 3768 3858 4082 4420 4710 5144 5304 5338 6123 6280 6430 6630 7716 8007 8164 8359 8840 9420 9645 10205 10676 10931 12246 12860 13260 13345 15432 16014 16328 16718 18840 19290 20410 21352 21862 24492 24649 25077 25720 26520 26690 30615 32028 32793 33436 34697 38580 40035 40820 41795 43724 48984 49298 50154 53380 54655 61230 64056 65586 66872 69394 73947 77160 80070 81640 83590 87448 98596 100308 100951 104091 106760 109310 122460 123245 125385 131172 138788 142103 147894 160140 163965 167180 173485 197192 200616 201902 208182 218620 244920 246490 250770 262344 277576 284206 295788 302853 320280 320437 327930 334360 346970 369735 403804 416364 419033 426309 437240 492980 501540 504755 520455 568412 591576 605706 640874 655860 693940 710515 739470 807608 832728 838066 852618 961311 985960 1003080 1009510 1040910 1136824 1211412 1257099 1281748 1311720 1312363 1387880 1421030 1478940 1514265 1602185 1676132 1705236 1716167 1922622 2019020 2081820 2095165 2131545 2422824 2514198 2563496 2624726 2842060 2957880 3028530 3204370 3352264 3410472 3432334 3845244 3937089 4038040 4163640 4190330 4263090 4806555 5028396 5148501 5249452 5447429 5684120 6057060 6285495 6408740 6561815 6864668 7690488 7874178 8380660 8526180 8580835 9613110 10056792 10297002 10498904 10894858 12114120 12570990 12817480 13123630 13729336 15748356 15849307 16342287 16761320 17052360 17161670 19226220 19685445 20594004 21789716 22310171 25141980 25742505 26247260 27237145 31496712 31698614 32684574 34323340 38452440 39370890 41188008 43579432 44620342 47547921 50283960 51485010 52494520 54474290 63397228 65369148 66930513 68646680 78741780 79246535 81711435 89240684 95095842 102970020 108948580 111550855 126794456 130738296 133861026 157483560 158493070 163422870 178481368 190191684 205940040 206040991 217897160 223101710 237739605 267722052 269438219 316986140 326845740 334652565 380383368 412081982 446203420 475479210 535444104 538876438 618122973 633972280 653691480 669305130 808314657 824163964 892406840 950958420 1030204955 1077752876 1236245946 1338610260 1347191095 1616629314 1648327928 1901916840 2060409910 2155505752 2472491892 2677220520 2694382190 3090614865 3233258628 3502696847 4041573285 4120819820 4944983784 5388764380 6181229730 6466517256 7005393694 8083146570 8241639640 10508090541 10777528760 12362459460 14010787388 16166293140 17513484235 21016181082 24724918920 28021574776 32332586280 35026968470 42032362164 52540452705 70053936940 84064724328 105080905410 140107873880 210161810820 420323621640
• Sum of all divisors σ(n): 1449316229760
• Sum of proper divisors (its aliquot sum) s(n): 1028992608120
• 420323621640 is an abundant number, because the sum of its proper divisors (1028992608120) is greater than itself. Its abundance is 608668986480

Bases of 420323621640

• Binary: 110000111011101001111010111101100001000₂
• Hexadecimal: 0x61DD3D7B08
• Base-36: 5D3DTY4O

Squares and roots of 420323621640

• 420323621640 squared (420323621640²) is 176671946908565876289600
• 420323621640 cubed (420323621640³) is 74259392566798211060564877466944000
• The square root of 420323621640 is 648323.7012789215
• The cube root of 420323621640 is 7490.7953546443

Scales and comparisons

• 420,323,621,640 seconds is equal to 13,364 years, 51 weeks, 3 days, 17 hours, 34 minutes.
• To count from 1 to 420,323,621,640 would take you about twenty-six thousand, seven hundred twenty-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 420323621640 cubic inches would be around 624.2 feet tall.

Recreational maths with 420323621640

• 420323621640 backwards is 046126323024
• The number of decimal digits it has is: 12
• The sum of 420323621640's digits is 33
• More coming soon!