642493975500

Names of 642493975500

• Cardinal: 642493975500 can be written as Six hundred forty-two billion, four hundred ninety-three million, nine hundred seventy-five thousand, five hundred.

Scientific notation

• Scientific notation: 6.424939755 × 10¹¹

Factors of 642493975500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5022

Divisors of 642493975500

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 30 36 39 45 50 52 60 65 75 78 90 100 117 125 130 150 156 169 180 195 225 234 250 260 300 325 338 375 390 450 468 500 507 585 650 676 750 780 845 900 975 1014 1125 1170 1300 1500 1521 1625 1690 1950 2028 2197 2250 2340 2535 2925 3042 3250 3380 3900 4225 4394 4500 4875 4999 5070 5850 6084 6500 6591 7605 8450 8788 9750 9998 10140 10985 11700 12675 13182 14625 14997 15210 16900 19500 19773 19996 21125 21970 24995 25350 26364 28561 29250 29994 30420 32955 38025 39546 42250 43940 44991 49990 50700 54925 57122 58500 59988 63375 64987 65910 74985 76050 79092 84500 85683 89982 98865 99980 109850 114244 124975 126750 129974 131820 142805 149970 152100 164775 171366 179964 190125 194961 197730 219700 224955 249950 253500 257049 259948 274625 285610 299940 324935 329550 342732 374925 380250 389922 395460 428415 449910 494325 499900 514098 549250 571220 584883 624875 649870 659100 714025 749850 760500 779844 823875 844831 856830 899820 974805 988650 1028196 1098500 1124775 1169766 1249750 1285245 1299740 1428050 1499700 1624675 1647750 1689662 1713660 1874625 1949610 1977300 2142075 2249550 2339532 2471625 2499500 2534493 2570490 2856100 2924415 3249350 3295500 3379324 3570125 3749250 3899220 4224155 4284150 4499100 4874025 4943250 5068986 5140980 5623875 5848830 6426225 6498700 7140250 7498500 7603479 8123375 8448310 8568300 9748050 9886500 10137972 10710375 10982803 11247750 11697660 12672465 12852450 14280500 14622075 15206958 16246750 16896620 19496100 21120775 21420750 21965606 22495500 24370125 25344930 25704900 29244150 30413916 32131125 32493500 32948409 38017395 42241550 42841500 43931212 48740250 50689860 54914015 58488300 63362325 64262250 65896818 73110375 76034790 84483100 97480500 98845227 105603875 109828030 126724650 128524500 131793636 142776439 146220750 152069580 164742045 190086975 197690454 211207750 219656060 253449300 274570075 285552878 292441500 316811625 329484090 380173950 395380908 422415500 428329317 494226135 549140150 571105756 633623250 658968180 713882195 760347900 823710225 856658634 950434875 988452270 1098280300 1267246500 1284987951 1372850375 1427764390 1647420450 1713317268 1900869750 1976904540 2141646585 2471130675 2569975902 2745700750 2855528780 3294840900 3569410975 3801739500 4118551125 4283293170 4942261350 5139951804 5491401500 6424939755 7138821950 8237102250 8566586340 9884522700 10708232925 12355653375 12849879510 14277643900 16474204500 17847054875 21416465850 24711306750 25699759020 32124698775 35694109750 42832931700 49422613500 53541164625 64249397550 71388219500 107082329250 128498795100 160623493875 214164658500 321246987750 642493975500
• Sum of all divisors σ(n): 2196192180000
• Sum of proper divisors (its aliquot sum) s(n): 1553698204500
• 642493975500 is an abundant number, because the sum of its proper divisors (1553698204500) is greater than itself. Its abundance is 911204229000

Bases of 642493975500

• Binary: 1001010110010111101000000000101111001100₂
• Hexadecimal: 0x9597A00BCC
• Base-36: 875OBOB0

Squares and roots of 642493975500

• 642493975500 squared (642493975500²) is 412798508553794600250000
• 642493975500 cubed (642493975500³) is 265220554841198248325055793875000000
• The square root of 642493975500 is 801557.2191054111
• The cube root of 642493975500 is 8628.9182247731

Scales and comparisons

• 642,493,975,500 seconds is equal to 20,429 years, 16 weeks, 4 days, 20 hours, 45 minutes.
• To count from 1 to 642,493,975,500 would take you about forty thousand, eight hundred fifty-eight 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 642493975500 cubic inches would be around 719.1 feet tall.

Recreational maths with 642493975500

• 642493975500 backwards is 005579394246
• The number of decimal digits it has is: 12
• The sum of 642493975500's digits is 54
• More coming soon!