642136950

Names of 642136950

• Cardinal: 642136950 can be written as Six hundred forty-two million, one hundred thirty-six thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 6.4213695 × 10⁸

Factors of 642136950

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5257

Divisors of 642136950

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 25 26 27 30 35 39 42 45 50 54 63 65 70 75 78 90 91 105 117 126 130 135 150 175 182 189 195 210 225 234 270 273 315 325 350 351 378 390 450 455 525 546 585 630 650 675 702 819 910 945 975 1050 1170 1350 1365 1575 1638 1755 1890 1950 2275 2457 2730 2925 3150 3510 4095 4550 4725 4914 5227 5850 6825 8190 8775 9450 10454 12285 13650 15681 17550 20475 24570 26135 31362 36589 40950 47043 52270 61425 67951 73178 78405 94086 109767 122850 130675 135902 141129 156810 182945 203853 219534 235215 261350 282258 329301 339755 365890 392025 407706 470430 475657 548835 611559 658602 679510 705645 784050 914725 951314 987903 1019265 1097670 1176075 1223118 1411290 1426971 1646505 1698775 1829450 1834677 1975806 2038530 2352150 2378285 2744175 2853942 3057795 3293010 3397550 3528225 3669354 4280913 4756570 4939515 5096325 5488350 6115590 7056450 7134855 8232525 8561826 9173385 9879030 10192650 11891425 12842739 14269710 15288975 16465050 18346770 21404565 23782850 24697575 25685478 30577950 35674275 42809130 45866925 49395150 64213695 71348550 91733850 107022825 128427390 214045650 321068475 642136950
• Sum of all divisors σ(n): 2178193920
• Sum of proper divisors (its aliquot sum) s(n): 1536056970
• 642136950 is an abundant number, because the sum of its proper divisors (1536056970) is greater than itself. Its abundance is 893920020

Bases of 642136950

• Binary: 100110010001100011101101110110₂
• Hexadecimal: 0x26463B76
• Base-36: AMB81I

Squares and roots of 642136950

• 642136950 squared (642136950²) is 412339862555302500
• 642136950 cubed (642136950³) is 264778661704681153677375000
• The square root of 642136950 is 25340.4212672165
• The cube root of 642136950 is 862.7319602955

Scales and comparisons

• 642,136,950 seconds is equal to 20 years, 21 weeks, 5 days, 3 hours, 22 minutes, 30 seconds.
• To count from 1 to 642,136,950 would take you about thirty 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 642136950 cubic inches would be around 71.9 feet tall.

Recreational maths with 642136950

• 642136950 backwards is 059631246
• The number of decimal digits it has is: 9
• The sum of 642136950's digits is 36
• More coming soon!