642061528020

Names of 642061528020

• Cardinal: 642061528020 can be written as Six hundred forty-two billion, sixty-one million, five hundred twenty-eight thousand and twenty.

Scientific notation

• Scientific notation: 6.4206152802 × 10¹¹

Factors of 642061528020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8332

Divisors of 642061528020

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 59 60 61 66 90 99 110 118 121 122 132 165 177 180 183 198 220 236 242 244 295 305 330 354 363 366 396 484 495 531 549 590 605 610 649 660 671 708 726 732 885 915 990 1062 1089 1098 1180 1210 1220 1298 1342 1452 1770 1815 1830 1947 1980 2013 2124 2178 2196 2420 2596 2655 2684 2745 3245 3355 3540 3599 3630 3660 3894 4026 4356 5310 5445 5490 5841 6039 6490 6710 7139 7198 7260 7381 7788 8052 8191 9735 10065 10620 10797 10890 10980 11682 12078 12980 13420 14278 14396 14762 16382 17995 19470 20130 21417 21594 21780 22143 23364 24156 24573 28556 29205 29524 30195 32391 32764 35695 35990 36905 38940 39589 40260 40955 42834 43188 44286 49146 53985 58410 60390 64251 64782 66429 71390 71980 73719 73810 79178 81910 85668 88572 90101 98292 107085 107970 110715 116820 118767 120780 122865 128502 129564 132858 142780 147438 147620 158356 161955 163820 180202 197945 214170 215940 221430 237534 245730 257004 265716 270303 294876 321255 323910 332145 356301 360404 368595 395890 428340 435479 442860 450505 475068 483269 491460 499651 540606 593835 642510 647820 664290 712602 737190 791780 810909 870958 901010 966538 991111 999302 1081212 1187670 1285020 1306437 1328580 1351515 1425204 1449807 1474380 1498953 1621818 1741916 1781505 1802020 1933076 1982222 1998604 2177395 2375340 2416345 2498255 2612874 2703030 2899614 2973333 2997906 3243636 3563010 3919311 3964444 4054545 4349421 4354790 4496859 4832690 4955555 4996510 5225748 5315959 5406060 5496161 5799228 5946666 5995812 6532185 7126020 7249035 7494765 7838622 8109090 8698842 8709580 8919999 8993718 9665380 9911110 9993020 10631918 10992322 11893332 13064370 14498070 14866665 14989530 15677244 15947877 16218180 16488483 17397684 17839998 17987436 19596555 19822220 21263836 21747105 21984644 22484295 26128740 26579795 27480805 28996140 29479409 29733330 29979060 31895754 32976966 35679996 39193110 43494210 44599995 44968590 47843631 49465449 53159590 54961610 58475549 58958818 59466660 60457771 63791508 65953932 78386220 79739385 82442415 86988420 88438227 89199990 89937180 95687262 98930898 106319180 109923220 116951098 117917636 120915542 147397045 159478770 164884830 175426647 176876454 178399980 181373313 191374524 197861796 233902196 239218155 241831084 247327245 265314681 292377745 294794090 302288855 318957540 324273499 329769660 350853294 353752908 362746626 442191135 478436310 494654490 526279941 530629362 544119939 584755490 589588180 604577710 648546998 701706588 725493252 877133235 884382270 906866565 956872620 972820497 989308980 1052559882 1061258724 1088239878 1169510980 1209155420 1297093996 1326573405 1621367495 1754266470 1768764540 1813733130 1945640994 2105119764 2176479756 2631399705 2653146810 2720599695 2918461491 3242734990 3508532940 3567008489 3627466260 3891281988 4864102485 5262799410 5306293620 5441199390 5836922982 6485469980 7134016978 9728204970 10525598820 10701025467 10882398780 11673845964 14268033956 14592307455 17835042445 19456409940 21402050934 29184614910 32103076401 35670084890 42804101868 53505127335 58369229820 64206152802 71340169780 107010254670 128412305604 160515382005 214020509340 321030764010 642061528020
• Sum of all divisors σ(n): 2212978360320
• Sum of proper divisors (its aliquot sum) s(n): 1570916832300
• 642061528020 is an abundant number, because the sum of its proper divisors (1570916832300) is greater than itself. Its abundance is 928855304280

Bases of 642061528020

• Binary: 1001010101111101110110010110101111010100₂
• Hexadecimal: 0x957DD96BD4
• Base-36: 86YIUTP0

Squares and roots of 642061528020

• 642061528020 squared (642061528020²) is 412243005763377245120400
• 642061528020 cubed (642061528020³) is 264685374195991660557702112873608000
• The square root of 642061528020 is 801287.4191075259
• The cube root of 642061528020 is 8626.9818167527

Scales and comparisons

• 642,061,528,020 seconds is equal to 20,415 years, 29 weeks, 4 days, 16 hours, 27 minutes.
• To count from 1 to 642,061,528,020 would take you about forty thousand, eight hundred thirty-one 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 642061528020 cubic inches would be around 718.9 feet tall.

Recreational maths with 642061528020

• 642061528020 backwards is 020825160246
• 642061528020 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642061528020's digits is 36
• More coming soon!