642433897728

Names of 642433897728

• Cardinal: 642433897728 can be written as Six hundred forty-two billion, four hundred thirty-three million, eight hundred ninety-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 6.42433897728 × 10¹¹

Factors of 642433897728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 606

Divisors of 642433897728

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 128 144 147 162 163 168 189 192 196 216 224 243 252 256 288 294 324 326 336 378 384 392 431 432 441 448 486 489 504 567 576 588 648 652 672 729 756 768 784 862 864 882 896 972 978 1008 1134 1141 1152 1176 1293 1296 1304 1323 1344 1458 1467 1512 1568 1701 1724 1728 1764 1792 1944 1956 2016 2268 2282 2304 2352 2586 2592 2608 2646 2688 2916 2934 3017 3024 3136 3402 3423 3448 3456 3528 3879 3888 3912 3969 4032 4401 4536 4564 4704 5103 5172 5184 5216 5292 5376 5832 5868 6034 6048 6272 6804 6846 6896 6912 7056 7758 7776 7824 7938 7987 8064 8802 9051 9072 9128 9408 10206 10269 10344 10368 10432 10584 11637 11664 11736 11907 12068 12096 12544 13203 13608 13692 13792 14112 15516 15552 15648 15876 15974 16128 17604 18102 18144 18256 18816 20412 20538 20688 20736 20864 21119 21168 23274 23328 23472 23814 23961 24136 24192 26406 27153 27216 27384 27584 28224 30807 31032 31104 31296 31752 31948 34911 35208 35721 36204 36288 36512 37632 39609 40824 41076 41376 41728 42238 42336 46548 46656 46944 47628 47922 48272 48384 52812 54306 54432 54768 55168 56448 61614 62064 62208 62592 63357 63504 63896 69822 70253 70416 71442 71883 72408 72576 73024 79218 81459 81648 82152 82752 84476 84672 92421 93096 93312 93888 95256 95844 96544 104733 105624 108612 108864 109536 110336 112896 118827 123228 124128 125184 126714 127008 127792 139644 140506 140832 142884 143766 144816 145152 146048 158436 162918 163296 164304 165504 168952 169344 184842 186192 186624 187776 190071 190512 191688 193088 209466 210759 211248 215649 217224 217728 219072 237654 244377 246456 248256 253428 254016 255584 277263 279288 281012 281664 285768 287532 289632 292096 314199 316872 325836 326592 328608 331008 337904 338688 369684 372384 375552 380142 381024 383376 386176 418932 421518 422496 431298 434448 435456 438144 475308 488754 491771 492912 496512 506856 508032 511168 554526 558576 562024 563328 570213 571536 575064 579264 628398 632277 633744 646947 651672 653184 657216 675808 733131 739368 744768 760284 762048 766752 772352 831789 837864 843036 844992 862596 868896 876288 950616 977508 983542 985824 993024 1013712 1016064 1022336 1109052 1117152 1124048 1126656 1140426 1143072 1150128 1158528 1256796 1264554 1267488 1293894 1303344 1306368 1314432 1351616 1466262 1475313 1478736 1489536 1520568 1524096 1533504 1663578 1675728 1686072 1689984 1710639 1725192 1737792 1896831 1901232 1940841 1955016 1967084 1971648 2027424 2044672 2199393 2218104 2234304 2248096 2280852 2286144 2300256 2317056 2513592 2529108 2534976 2587788 2606688 2628864 2703232 2932524 2950626 2957472 2979072 3041136 3048192 3067008 3327156 3351456 3372144 3379968 3421278 3442397 3450384 3475584 3793662 3802464 3881682 3910032 3934168 3943296 4054848 4398786 4425939 4436208 4468608 4496192 4561704 4572288 4600512 5027184 5058216 5069952 5131917 5175576 5213376 5406464 5690493 5822523 5865048 5901252 5914944 6082272 6134016 6654312 6702912 6744288 6842556 6884794 6900768 6951168 7587324 7604928 7763364 7820064 7868336 7886592 8109696 8797572 8851878 8872416 8937216 8992384 9123408 9144576 9201024 10054368 10116432 10139904 10263834 10327191 10351152 10426752 11380986 11645046 11730096 11802504 11829888 12164544 13277817 13308624 13405824 13488576 13685112 13769588 13801536 15174648 15209856 15395751 15526728 15640128 15736672 16219392 17071479 17595144 17703756 17744832 17984768 18246816 18402048 20108736 20232864 20527668 20654382 20702304 20853504 22761972 23290092 23460192 23605008 23659776 24329088 26555634 26617248 26811648 26977152 27370224 27539176 27603072 30349296 30419712 30791502 30981573 31053456 31280256 31473344 34142958 35190288 35407512 35489664 36493632 39833451 40217472 40465728 41055336 41308764 41404608 45523944 46580184 46920384 47210016 48658176 51214437 53111268 53234496 53954304 54740448 55078352 55206144 60698592 61583004 61963146 62106912 62560512 62946688 68285916 70380576 70815024 70979328 72987264 79666902 80434944 80931456 82110672 82617528 82809216 91047888 92944719 93160368 93840768 94420032 102428874 106222536 106468992 109480896 110156704 119500353 121397184 123166008 123926292 124213824 125893376 136571832 140761152 141630048 145974528 159333804 161862912 164221344 165235056 165618432 182095776 185889438 186320736 187681536 188840064 204857748 212445072 212937984 218961792 220313408 239000706 242794368 246332016 247852584 248427648 273143664 278834157 281522304 283260096 318667608 328442688 330470112 358501059 364191552 371778876 372641472 377680128 409715496 424890144 437923584 440626816 478001412 485588736 492664032 495705168 496855296 546287328 557668314 563044608 566520192 637335216 656885376 660940224 717002118 728383104 743557752 745282944 819430992 836502471 849780288 881253632 956002824 985328064 991410336 1092574656 1115336628 1133040384 1274670432 1313770752 1321880448 1434004236 1456766208 1487115504 1490565888 1638861984 1673004942 1699560576 1912005648 1970656128 1982820672 2185149312 2230673256 2509507413 2549340864 2643760896 2868008472 2974231008 3277723968 3346009884 3399121152 3824011296 3941312256 3965641344 4370298624 4461346512 5019014826 5098681728 5736016944 5948462016 6555447936 6692019768 7648022592 7931282688 8922693024 10038029652 10197363456 11472033888 11896924032 13110895872 13384039536 15296045184 17845386048 20076059304 22944067776 23793848064 26768079072 30592090368 35690772096 40152118608 45888135552 53536158144 71381544192 80304237216 91776271104 107072316288 160608474432 214144632576 321216948864 642433897728
• Sum of all divisors σ(n): 2255503537728
• Sum of proper divisors (its aliquot sum) s(n): 1613069640000
• 642433897728 is an abundant number, because the sum of its proper divisors (1613069640000) is greater than itself. Its abundance is 970635742272

Bases of 642433897728

• Binary: 1001010110010100000010110101010100000000₂
• Hexadecimal: 0x95940B5500
• Base-36: 874OK000

Squares and roots of 642433897728

• 642433897728 squared (642433897728²) is 412721312949990363561984
• 642433897728 cubed (642433897728³) is 265146161753879991203165166844772352
• The square root of 642433897728 is 801519.7425690773
• The cube root of 642433897728 is 8628.6492612443

Scales and comparisons

• 642,433,897,728 seconds is equal to 20,427 years, 21 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 642,433,897,728 would take you about forty thousand, eight hundred fifty-four 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 642433897728 cubic inches would be around 719.1 feet tall.

Recreational maths with 642433897728

• 642433897728 backwards is 827798334246
• 642433897728 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642433897728's digits is 63
• More coming soon!