155142821340

Names of 155142821340

• Cardinal: 155142821340 can be written as One hundred fifty-five billion, one hundred forty-two million, eight hundred twenty-one thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.5514282134 × 10¹¹

Factors of 155142821340

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 144

Divisors of 155142821340

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 29 30 31 36 39 45 52 54 58 60 61 62 65 78 87 90 93 108 116 117 122 124 130 135 145 155 156 169 174 180 183 186 195 234 244 260 261 270 279 290 305 310 338 348 351 366 372 377 390 403 435 465 468 507 522 540 549 558 580 585 610 620 676 702 732 754 780 783 793 806 837 845 870 899 915 930 961 1014 1044 1098 1116 1131 1170 1209 1220 1305 1395 1404 1508 1521 1566 1586 1612 1647 1674 1690 1740 1755 1769 1798 1830 1860 1885 1891 1922 2015 2028 2196 2262 2340 2379 2418 2535 2610 2697 2745 2790 2883 3042 3132 3172 3294 3348 3380 3393 3510 3538 3596 3627 3660 3770 3782 3844 3915 3965 4030 4185 4495 4524 4563 4758 4805 4836 4901 5070 5220 5239 5307 5394 5490 5580 5655 5673 5766 6045 6084 6588 6786 7020 7076 7137 7254 7540 7564 7605 7830 7930 8060 8091 8235 8370 8649 8845 8990 9126 9455 9516 9610 9802 10140 10179 10309 10478 10614 10788 10881 10980 11310 11346 11532 11687 11895 12090 12493 13485 13572 14274 14415 14508 14703 15210 15660 15717 15860 15921 16182 16470 16740 16965 17019 17298 17690 17980 18135 18252 18910 19220 19604 20358 20618 20956 21228 21411 21762 22620 22692 22815 22997 23374 23790 24180 24273 24505 24583 24986 25947 26195 26535 26970 27869 28365 28548 28830 29406 30420 30927 31434 31842 32364 32940 33930 34038 34596 35061 35380 35685 36270 37479 37820 40455 40716 41236 42822 43245 43524 44109 45630 45994 46748 47151 47580 47763 48546 49010 49166 49972 50895 51057 51545 51894 52390 53070 53940 54405 54839 55738 56730 57660 58435 58621 58812 61854 62465 62868 63684 67860 68076 68991 70122 71370 72540 73515 73749 74958 78585 79605 80910 83607 85095 85644 86490 88218 91260 91988 92781 94302 95526 97092 98020 98332 101790 102114 103090 103788 104780 105183 106140 107055 108810 109678 111476 112437 113460 114985 116870 117242 121365 122915 123708 124930 129735 132327 137982 139345 140244 141453 142740 147030 147498 149916 151931 154635 157170 159210 161820 162409 164517 167214 170190 172980 175305 175863 176436 185562 187395 188604 191052 203580 204228 206180 206973 210366 214110 217620 219356 220545 221247 224874 229970 233740 234484 235755 238815 242730 245830 249860 250821 255285 259470 264654 274195 275964 278343 278690 282906 293105 294060 294996 298961 303862 309270 314340 315549 318420 319579 324818 329034 334428 337311 340380 344955 350610 351726 362297 368745 371124 374790 413946 418035 420732 428220 441090 442494 449748 455793 459940 463905 471510 477630 485460 487227 491660 493551 501642 510570 518940 525915 527589 529308 548390 556686 557380 562185 565812 586210 597922 607724 618540 620919 631098 639158 649636 658068 661635 663741 674622 689910 701220 703452 707265 712907 724594 737490 749580 752463 759655 762073 812045 822585 827892 836070 879315 882180 884988 896883 911586 927810 943020 955260 958737 974454 987102 1003284 1021140 1034865 1051830 1055178 1086891 1096780 1106235 1113372 1124370 1172420 1195844 1241838 1254105 1262196 1278316 1323270 1327482 1349244 1367379 1379820 1391715 1414530 1425814 1449188 1461681 1474980 1480653 1494805 1504926 1519310 1524146 1577745 1582767 1597895 1624090 1645170 1672140 1686555 1700009 1758630 1793766 1811485 1823172 1855620 1917474 1948908 1974204 2069730 2103660 2110356 2138721 2173782 2212470 2248740 2278965 2286219 2436135 2467755 2483676 2508210 2637945 2646540 2654964 2690649 2734758 2783430 2829060 2851628 2876211 2923362 2961306 2989610 3009852 3038620 3048292 3104595 3155490 3165534 3195790 3248180 3260673 3290340 3318705 3373110 3400018 3517260 3564535 3587532 3622970 3762315 3810365 3834948 4102137 4139460 4277442 4347564 4385043 4424940 4484415 4557930 4572438 4709861 4793685 4872270 4935510 5016420 5100027 5275890 5381298 5434455 5469516 5566860 5752422 5846724 5922612 5979220 6209190 6310980 6331068 6391580 6416163 6521346 6637410 6746220 6800036 6836895 6858657 7129070 7245940 7308405 7403265 7524630 7620730 7913835 8071947 8204274 8500045 8554884 8628633 8770086 8968830 9115860 9144876 9267791 9419722 9587370 9744540 9782019 9871020 9906949 10200054 10551780 10693605 10762596 10868910 11431095 11504844 12418380 12832326 13042692 13274820 13453245 13673790 13717314 14129583 14258140 14381055 14616810 14806530 15049260 15241460 15300081 15827670 16143894 16303365 16408548 17000090 17257266 17540172 17937660 18535582 18839444 19174740 19248489 19564038 19813898 20400108 20510685 20575971 21387210 21737820 21925215 22100117 22862190 23549305 25500135 25664652 26906490 27347580 27434628 27803373 28259166 28762110 29233620 29613060 29720847 30600162 31655340 32080815 32287788 32606730 34000180 34293285 34514532 37071164 38496978 39128076 39627796 40359735 41021370 41151942 42388749 42774420 43143165 43850430 44200234 45724380 45900243 46338955 47098610 48910095 49534745 51000270 53812980 55606746 56518332 57524220 59441694 61200324 64161630 65213460 66300351 68586570 70647915 76500405 76993956 80719470 82042740 82303884 83410119 84777498 86286330 87700860 88400468 89162541 91800486 92677910 94197220 96242445 97820190 99069490 102000540 102879855 110500585 111213492 118883388 127166247 128323260 132600702 137173140 139016865 141295830 148604235 153000810 161438940 166820238 169554996 172572660 178325082 183600972 185355820 192484890 195640380 198138980 198901053 205759710 211943745 221001170 229501215 250230357 254332494 265201404 267487623 278033730 282591660 287301521 297208470 306001620 331501755 333640476 356650164 384969780 397802106 411519420 417050595 423887490 442002340 445812705 459002430 500460714 508664988 534975246 556067460 574603042 594416940 596703159 635831235 663003510 795604212 834101190 847774980 861904563 891625410 918004860 994505265 1000921428 1069950492 1149206084 1193406318 1251151785 1271662470 1326007020 1337438115 1436507605 1668202380 1723809126 1783250820 1989010530 2386812636 2502303570 2543324940 2585713689 2674876230 2873015210 2983515795 3447618252 3978021060 4309522815 5004607140 5171427378 5349752460 5746030420 5967031590 7757141067 8619045630 10342854756 11934063180 12928568445 15514282134 17238091260 25857136890 31028564268 38785705335 51714273780 77571410670 155142821340
• Sum of all divisors σ(n): 567835531200
• Sum of proper divisors (its aliquot sum) s(n): 412692709860
• 155142821340 is an abundant number, because the sum of its proper divisors (412692709860) is greater than itself. Its abundance is 257549888520

Bases of 155142821340

• Binary: 10010000011111001110111001010111011100₂
• Hexadecimal: 0x241F3B95DC
• Base-36: 1Z9S1330

Squares and roots of 155142821340

• 155142821340 squared (155142821340²) is 24069295013335159395600
• 155142821340 cubed (155142821340³) is 3734178336033609551651993182104000
• The square root of 155142821340 is 393881.7352201039
• The cube root of 155142821340 is 5373.3347222219

Scales and comparisons

• 155,142,821,340 seconds is equal to 4,933 years, 3 weeks, 1 day, 12 hours, 9 minutes.
• To count from 1 to 155,142,821,340 would take you about nine thousand, eight hundred sixty-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 155142821340 cubic inches would be around 447.8 feet tall.

Recreational maths with 155142821340

• 155142821340 backwards is 043128241551
• 155142821340 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155142821340's digits is 36
• More coming soon!