642142867860

Names of 642142867860

• Cardinal: 642142867860 can be written as Six hundred forty-two billion, one hundred forty-two million, eight hundred sixty-seven thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 6.4214286786 × 10¹¹

Factors of 642142867860

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 115

Divisors of 642142867860

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 31 36 39 45 52 54 60 61 62 65 78 90 93 108 117 122 124 130 135 155 156 169 180 183 186 195 234 244 260 270 279 305 310 338 351 366 372 390 403 465 468 507 540 549 558 585 610 620 676 702 732 780 793 806 837 845 915 930 1014 1098 1116 1170 1209 1220 1395 1404 1521 1586 1612 1647 1674 1690 1755 1830 1860 1891 2015 2028 2196 2340 2379 2418 2535 2745 2790 3042 3172 3294 3348 3380 3510 3627 3660 3721 3782 3965 4030 4185 4563 4758 4836 5070 5239 5490 5580 5673 6045 6084 6588 7020 7137 7254 7442 7564 7605 7930 8060 8235 8370 9126 9455 9516 10140 10309 10478 10881 10980 11163 11346 11895 12090 14274 14508 14884 15210 15717 15860 16470 16740 17019 18135 18252 18605 18910 20618 20956 21411 21762 22326 22692 22815 23790 24180 24583 26195 28365 28548 30420 30927 31434 32940 33489 34038 35685 36270 37210 37820 41236 42822 43524 44652 45630 47151 47580 48373 49166 51057 51545 52390 54405 55815 56730 61854 62868 66978 68076 71370 72540 73749 74420 78585 85095 85644 91260 92781 94302 96746 98332 100467 102114 103090 104780 107055 108810 111630 113460 115351 122915 123708 133956 141453 142740 145119 147498 154635 157170 167445 170190 185562 188604 193492 200934 204228 206180 214110 217620 221247 223260 226981 230702 235755 241865 245830 255285 278343 282906 290238 294996 309270 314340 319579 334890 340380 346053 368745 371124 401868 428220 435357 442494 453962 461404 463905 471510 483730 491660 502335 510570 556686 565812 576755 580476 618540 628849 639158 663741 669780 680943 692106 707265 725595 737490 870714 884988 907924 927810 943020 958737 967460 1004670 1021140 1038159 1106235 1113372 1134905 1153510 1257698 1278316 1306071 1327482 1361886 1384212 1391715 1414530 1451190 1474980 1499563 1597895 1730265 1741428 1855620 1886547 1917474 2009340 2042829 2076318 2176785 2212470 2269810 2307020 2515396 2612142 2654964 2723772 2783430 2829060 2876211 2902380 2950753 2999126 3114477 3144245 3195790 3318705 3404715 3460530 3773094 3834948 4085658 4152636 4353570 4424940 4498689 4539620 4793685 5190795 5224284 5566860 5659641 5752422 5901506 5998252 6128487 6228954 6288490 6391580 6530355 6637410 6809430 6921060 7036411 7497815 7546188 8171316 8628633 8707140 8852259 8997378 9432735 9587370 10214145 10381590 11319282 11504844 11803012 12256974 12457908 12576980 13060710 13274820 13496067 13618860 14072822 14381055 14753765 14995630 15572385 16978923 17257266 17704518 17994756 18865470 19174740 19494319 20428290 20763180 21109233 22493445 22638564 24513948 26121420 26556777 26992134 28145644 28298205 28762110 29507530 29991260 30642435 31144770 33957846 34514532 35182055 35409036 37730940 38359789 38988638 40488201 40856580 42218466 43143165 44261295 44986890 53113554 53984268 56596410 57524220 58482957 59015060 61284870 62289540 63327699 67480335 67915692 70364110 76719578 77977276 79670331 80976402 84436932 84894615 86286330 88522590 89973780 91473343 97471595 105546165 106227108 113192820 115079367 116965914 122569740 126655398 132783885 134960670 140728220 153439156 159340662 161952804 169789230 172572660 175448871 177045180 182946686 189983097 191798945 194943190 202441005 211092330 230158734 233931828 253310796 265567770 269921340 274420029 292414785 316638495 318681324 339578460 345238101 350897742 365893372 379966194 383597890 389886380 398351655 404882010 422184660 457366715 460317468 526346613 531135540 548840058 575396835 584829570 633276990 690476202 701795484 759932388 767195780 796703310 809764020 823260087 877244355 914733430 949915485 1035714303 1052693226 1097680116 1150793670 1169659140 1189153459 1266553980 1372100145 1380952404 1593406620 1646520174 1726190505 1754488710 1829466860 1899830970 2071428606 2105386452 2301587340 2378306918 2469780261 2631733065 2744200290 3293040348 3452381010 3508977420 3567460377 3799661940 4116300435 4142857212 4756613836 4939560522 5178571515 5263466130 5488400580 5945767295 6904762020 7134920754 8232600870 9879121044 10357143030 10526932260 10702381131 11891534590 12348901305 14269841508 16465201740 17837301885 20714286060 21404762262 23783069180 24697802610 32107143393 35674603770 42809524524 49395605220 53511905655 64214286786 71349207540 107023811310 128428573572 160535716965 214047622620 321071433930 642142867860
• Sum of all divisors σ(n): 2270274693120
• Sum of proper divisors (its aliquot sum) s(n): 1628131825260
• 642142867860 is an abundant number, because the sum of its proper divisors (1628131825260) is greater than itself. Its abundance is 985988957400

Bases of 642142867860

• Binary: 1001010110000010101100101001000110010100₂
• Hexadecimal: 0x9582B29194
• Base-36: 86ZVA7X0

Squares and roots of 642142867860

• 642142867860 squared (642142867860²) is 412347462743465420979600
• 642142867860 cubed (642142867860³) is 264785982280883388902582554555656000
• The square root of 642142867860 is 801338.1732202703
• The cube root of 642142867860 is 8627.3461056667

Scales and comparisons

• 642,142,867,860 seconds is equal to 20,418 years, 8 weeks, 1 day, 2 hours, 51 minutes.
• To count from 1 to 642,142,867,860 would take you about forty thousand, eight hundred thirty-six 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 642142867860 cubic inches would be around 718.9 feet tall.

Recreational maths with 642142867860

• 642142867860 backwards is 068768241246
• 642142867860 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642142867860's digits is 54
• More coming soon!