142734720

Names of 142734720

• Cardinal: 142734720 can be written as One hundred forty-two million, seven hundred thirty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.4273472 × 10⁸

Factors of 142734720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4400

Divisors of 142734720

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 160 170 192 204 240 255 272 320 340 384 408 480 510 544 640 680 816 960 1020 1088 1360 1632 1920 2040 2176 2720 3264 4080 4373 5440 6528 8160 8746 10880 13119 16320 17492 21865 26238 32640 34984 43730 52476 65595 69968 74341 87460 104952 131190 139936 148682 174920 209904 223023 262380 279872 297364 349840 371705 419808 446046 524760 559744 594728 699680 743410 839616 892092 1049520 1115115 1189456 1399360 1486820 1679232 1784184 2099040 2230230 2378912 2798720 2973640 3568368 4198080 4460460 4757824 5947280 7136736 8396160 8920920 9515648 11894560 14273472 17841840 23789120 28546944 35683680 47578240 71367360 142734720
• Sum of all divisors σ(n): 481839840
• Sum of proper divisors (its aliquot sum) s(n): 339105120
• 142734720 is an abundant number, because the sum of its proper divisors (339105120) is greater than itself. Its abundance is 196370400

Bases of 142734720

• Binary: 1000100000011111010110000000₂
• Hexadecimal: 0x881F580
• Base-36: 2CZATC

Squares and roots of 142734720

• 142734720 squared (142734720²) is 20373200293478400
• 142734720 cubed (142734720³) is 2907963039393557250048000
• The square root of 142734720 is 11947.1636801377
• The cube root of 142734720 is 522.6085883451

Scales and comparisons

• 142,734,720 seconds is equal to 4 years, 28 weeks, 32 minutes.
• To count from 1 to 142,734,720 would take you about six 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 142734720 cubic inches would be around 43.6 feet tall.

Recreational maths with 142734720

• 142734720 backwards is 027437241
• 142734720 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142734720's digits is 30
• More coming soon!