642364437217980

Names of 642364437217980

• Cardinal: 642364437217980 can be written as Six hundred forty-two trillion, three hundred sixty-four billion, four hundred thirty-seven million, two hundred seventeen thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 6.4236443721798 × 10¹⁴

Factors of 642364437217980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14879

Divisors of 642364437217980

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 137 190 228 274 285 361 380 411 548 570 685 722 822 1083 1140 1370 1444 1644 1805 2055 2166 2603 2740 3610 4110 4332 5206 5415 7220 7809 8220 10412 10830 13015 14713 15618 21660 26030 29426 31236 39045 44139 49457 52060 58852 73565 78090 88278 98914 147130 148371 156180 176556 197828 220695 247285 279547 294260 296742 441390 494570 559094 593484 741855 838641 882780 989140 1118188 1397735 1483710 1677282 2015681 2795470 2967420 3354564 4031362 4193205 5311393 5590940 6047043 8062724 8386410 10078405 10622786 12094086 15934179 16772820 20156810 21245572 24188172 26556965 30235215 31868358 38297939 40313620 53113930 60470430 63736716 76595878 79670895 106227860 114893817 120940860 153191756 159341790 191489695 216472369 229787634 318683580 382979390 432944738 459575268 574469085 649417107 727660841 765958780 865889476 1082361845 1148938170 1298834214 1455321682 2164723690 2182982523 2297876340 2597668428 2910643364 3247085535 3638304205 4112975011 4329447380 4365965046 6494171070 7276608410 8225950022 8731930092 10914912615 12338925033 12988342140 14553216820 16451900044 20564875055 21829825230 24677850066 29656714553 41129750110 43659650460 49355700132 59313429106 61694625165 78146525209 82259500220 88970143659 118626858212 123389250330 148283572765 156293050418 177940287318 234439575627 246778500660 296567145530 312586100836 355880574636 390732626045 444850718295 468879151254 563477576507 593134291060 781465252090 889701436590 937758302508 1126955153014 1172197878135 1562930504180 1690432729521 1779402873180 2253910306028 2344395756270 2817387882535 3380865459042 4688791512540 5634775765070 6761730918084 8452163647605 10706073953633 11269551530140 16904327295210 21412147907266 32118221860899 33808654590420 42824295814532 53530369768165 64236443721798 107060739536330 128472887443596 160591109304495 214121479072660 321182218608990 642364437217980
• Sum of all divisors σ(n): 1912252918795632
• Sum of proper divisors (its aliquot sum) s(n): 1269888481577652
• 642364437217980 is an abundant number, because the sum of its proper divisors (1269888481577652) is greater than itself. Its abundance is 627524044359672

Bases of 642364437217980

• Binary: 10010010000011101000100000000110001100001010111100₂
• Hexadecimal: 0x2483A2018C2BC
• Base-36: 6BP65CK7GC

Squares and roots of 642364437217980

• 642364437217980 squared (642364437217980²) is 412632070202372169002035280400
• 642364437217980 cubed (642364437217980³) is 265060167553636813068174330147346785221592000
• The square root of 642364437217980 is 25344909.4931897517
• The cube root of 642364437217980 is 86283.3827102271

Scales and comparisons

• 642,364,437,217,980 seconds is equal to 20,425,202 years, 7 weeks, 1 day, 21 hours, 53 minutes.
• To count from 1 to 642,364,437,217,980 would take you about fifty-one million, sixty-three thousand and five 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 642364437217980 cubic inches would be around 7190.3 feet tall.

Recreational maths with 642364437217980

• 642364437217980 backwards is 089712734463246
• The number of decimal digits it has is: 15
• The sum of 642364437217980's digits is 66
• More coming soon!