642343685984

Names of 642343685984

• Cardinal: 642343685984 can be written as Six hundred forty-two billion, three hundred forty-three million, six hundred eighty-five thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 6.42343685984 × 10¹¹

Factors of 642343685984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 335

Divisors of 642343685984

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 26 28 31 32 44 49 52 56 62 77 88 91 98 104 112 121 124 143 154 176 182 196 208 217 224 242 248 271 286 308 341 352 364 392 403 416 434 484 496 539 542 572 616 637 682 728 784 806 847 868 961 968 992 1001 1078 1084 1144 1232 1274 1364 1456 1519 1568 1573 1612 1694 1736 1897 1922 1936 2002 2156 2168 2288 2387 2464 2548 2728 2821 2912 2981 3038 3146 3224 3388 3472 3523 3751 3794 3844 3872 4004 4312 4336 4433 4576 4774 5096 5456 5642 5929 5962 6076 6292 6448 6727 6776 6944 7007 7046 7502 7588 7688 8008 8401 8624 8672 8866 9548 10192 10571 10912 11011 11284 11858 11924 12152 12493 12584 12896 13279 13454 13552 14014 14092 15004 15176 15376 16016 16709 16802 17248 17732 19096 19747 20384 20867 21142 22022 22568 23716 23848 24304 24661 24986 25168 26257 26558 26908 27104 28028 28184 30008 30352 30752 31031 32032 32791 33418 33604 35464 38192 38753 39494 41734 42284 44044 45136 47089 47432 47696 48608 48763 49322 49972 50336 52514 53116 53816 56056 56368 58807 60016 60704 62062 65582 66836 67208 70928 73997 76384 77077 77506 78988 83468 84568 87451 88088 90272 92411 94178 94864 95392 97526 98644 99944 105028 106232 107632 109213 112112 112736 116281 117614 120032 124124 131164 133672 134416 137423 141856 146069 147994 154154 155012 157976 166936 169136 172627 174902 176176 183799 184822 188356 189728 195052 197288 199888 210056 212464 215264 217217 218426 224224 229537 232562 235228 248248 260431 262328 267344 268832 271271 274846 292138 295988 308308 310024 315952 333872 338272 341341 345254 349804 352352 367598 369644 376712 390104 394576 399776 411649 420112 424928 426283 434434 436852 459074 465124 470456 496496 517979 520862 524656 534688 542542 549692 584276 591976 612157 616616 620048 631904 646877 667744 682682 690508 699608 735196 739288 753424 764491 780208 789152 813967 823298 840224 852566 868868 873704 918148 930248 940912 961961 992992 1016521 1035958 1041724 1049312 1085084 1099384 1168552 1183952 1201343 1224314 1233232 1240096 1293754 1365364 1381016 1399216 1470392 1478576 1506848 1511653 1528982 1560416 1606759 1627934 1646596 1705132 1737736 1747408 1823017 1836296 1860496 1881824 1898897 1923922 2033042 2071916 2083448 2170168 2198768 2337104 2367904 2389387 2402686 2448628 2466464 2587508 2730728 2762032 2798432 2864741 2940784 2957152 2983981 3023306 3057964 3213518 3255868 3293192 3385603 3410264 3475472 3494816 3646034 3672592 3720992 3797794 3847844 4066084 4143832 4166896 4340336 4397536 4528139 4674208 4778774 4805372 4897256 5175016 5351437 5461456 5524064 5697769 5729482 5881568 5967962 6046612 6115928 6427036 6511736 6586384 6733727 6771206 6820528 6950944 7115647 7292068 7345184 7595588 7695688 8132168 8287664 8333792 8409401 8680672 9056278 9557548 9610744 9794512 10350032 10581571 10702874 10922912 11395538 11458964 11935924 12093224 12231856 12761119 12854072 13023472 13172768 13214773 13467454 13542412 13641056 14231294 14584136 15191176 15391376 16264336 16575328 16818802 18112556 19115096 19221488 19589024 20053187 20700064 20887867 21163142 21405748 22791076 22917928 23699221 23871848 24186448 24463712 25522238 25708144 26046944 26429546 26934908 27084824 28462588 29168272 30382352 30782752 31512151 32528672 33637604 36225112 37241633 38230192 38442976 40106374 41775734 42326284 42811496 45582152 45835856 47398442 47743696 48372896 49809529 51044476 51416288 52859092 53869816 54169648 56925176 58336544 58865807 60764704 63024302 67275208 72450224 74070997 74483266 76460384 80212748 83551468 84652568 85622992 91164304 91671712 92503411 94796884 95487392 99619058 102088952 105718184 107739632 108339296 113850352 117731614 126048604 134550416 140372309 144900448 148141994 148966532 160425496 165894547 167102936 169305136 171245984 182328608 185006822 189593768 199238116 204177904 211436368 215479264 220585057 227700704 235463228 252097208 260691431 269100832 280744618 296283988 297933064 320850992 331789094 334205872 338610272 370013644 379187536 398476232 408355808 409657963 422872736 441170114 470926456 504194416 521382862 561489236 592567976 595866128 641701984 647523877 663578188 668411744 740027288 758375072 796952464 819315926 882340228 941852912 1008388832 1042765724 1122978472 1185135952 1191732256 1295047754 1327156376 1480054576 1544095399 1593904928 1638631852 1764680456 1824840017 1883705824 2085531448 2245956944 2370271904 2590095508 2654312752 2867605741 2960109152 3088190798 3277263704 3529360912 3649680034 4171062896 4491913888 5180191016 5308625504 5735211482 6176381596 6554527408 7058721824 7299360068 8342125792 10360382032 11470422964 12352763192 13109054816 14598720136 20073240187 20720764064 22940845928 24705526384 29197440272 40146480374 45881691856 49411052768 58394880544 80292960748 91763383712 160585921496 321171842992 642343685984
• Sum of all divisors σ(n): 1805981238432
• Sum of proper divisors (its aliquot sum) s(n): 1163637552448
• 642343685984 is an abundant number, because the sum of its proper divisors (1163637552448) is greater than itself. Its abundance is 521293866464

Bases of 642343685984

• Binary: 1001010110001110101010101100111101100000₂
• Hexadecimal: 0x958EAACF60
• Base-36: 8736UG68

Squares and roots of 642343685984

• 642343685984 squared (642343685984²) is 412605410923511598048256
• 642343685984 cubed (642343685984³) is 265034480509551417379290979342843904
• The square root of 642343685984 is 801463.4651585811
• The cube root of 642343685984 is 8628.2453587629

Scales and comparisons

• 642,343,685,984 seconds is equal to 20,424 years, 28 weeks, 1 day, 9 hours, 39 minutes, 44 seconds.
• To count from 1 to 642,343,685,984 would take you about forty thousand, eight hundred forty-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 642343685984 cubic inches would be around 719 feet tall.

Recreational maths with 642343685984

• 642343685984 backwards is 489586343246
• 642343685984 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642343685984's digits is 62
• More coming soon!