642429858770

Names of 642429858770

• Cardinal: 642429858770 can be written as Six hundred forty-two billion, four hundred twenty-nine million, eight hundred fifty-eight thousand, seven hundred seventy.

Scientific notation

• Scientific notation: 6.4242985877 × 10¹¹

Factors of 642429858770

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5761

Divisors of 642429858770

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 7 10 14 19 23 35 38 46 53 70 71 95 106 115 133 142 161 190 230 265 266 322 355 371 437 497 530 665 710 742 805 874 994 1007 1219 1330 1349 1610 1633 1855 2014 2185 2438 2485 2698 3059 3266 3710 3763 4370 4970 5035 5581 6095 6118 6745 7049 7526 8165 8533 9443 10070 11162 11431 12190 13490 14098 15295 16330 17066 18815 18886 22862 23161 26341 27905 30590 31027 35245 37630 39067 42665 46322 47215 52682 55810 57155 62054 70490 71497 78134 85330 86549 94430 106039 114310 115805 128363 131705 142994 155135 162127 173098 195335 212078 217189 231610 256726 263410 295793 310270 324254 357485 390670 396251 432745 434378 500479 530195 591586 605843 641815 714970 742273 792502 810635 865490 898541 1000958 1060390 1085945 1211686 1283630 1478965 1484546 1621270 1644431 1797082 1981255 2070551 2171890 2438897 2502395 2773757 2957930 3029215 3288862 3711365 3962510 4141102 4492705 4877794 5004790 5547514 5620067 6058430 6803239 7422730 7528769 8222155 8985410 9113773 10352755 11240134 11511017 12194485 13606478 13868785 15057538 16444310 17072279 18227546 20705510 21001303 23022034 24388970 27737570 28100335 34016195 34144558 37643845 39340469 42002606 45568865 47622673 52701383 56200670 57555085 63796411 68032390 75287690 78680938 85361395 91137730 95245346 105006515 105402766 115110170 127592822 129261541 147009121 170722790 173161687 196702345 210013030 238113365 258523082 263506915 294018242 318982055 346323374 393404690 399024757 476226730 483029969 527013830 637964110 646307705 735045605 798049514 865808435 904830787 966059938 1212131809 1292615410 1470091210 1731616870 1809661574 1995123785 2415149845 2424263618 2793173299 3381209783 3990247570 4524153935 4830299690 5586346598 6060659045 6762419566 9048307870 9177569411 12121318090 13965866495 16906048915 18355138822 27931732990 33812097830 45887847055 64242985877 91775694110 128485971754 321214929385 642429858770
• Sum of all divisors σ(n): 1500098641920
• Sum of proper divisors (its aliquot sum) s(n): 857668783150
• 642429858770 is an abundant number, because the sum of its proper divisors (857668783150) is greater than itself. Its abundance is 215238924380

Bases of 642429858770

• Binary: 1001010110010011110011011011001111010010₂
• Hexadecimal: 0x9593CDB3D2
• Base-36: 874M5FIQ

Squares and roots of 642429858770

• 642429858770 squared (642429858770²) is 412716123439242145912900
• 642429858770 cubed (642429858770³) is 265141160893174218474656079721133000
• The square root of 642429858770 is 801517.2230027251
• The cube root of 642429858770 is 8628.6311785407

Scales and comparisons

• 642,429,858,770 seconds is equal to 20,427 years, 14 weeks, 4 days, 18 hours, 32 minutes, 50 seconds.
• To count from 1 to 642,429,858,770 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 642429858770 cubic inches would be around 719.1 feet tall.

Recreational maths with 642429858770

• 642429858770 backwards is 077858924246
• The number of decimal digits it has is: 12
• The sum of 642429858770's digits is 62
• More coming soon!