142979100

Names of 142979100

• Cardinal: 142979100 can be written as One hundred forty-two million, nine hundred seventy-nine thousand, one hundred.

Scientific notation

• Scientific notation: 1.429791 × 10⁸

Factors of 142979100

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1229

Divisors of 142979100

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 25 30 33 37 44 50 55 60 66 74 75 100 110 111 132 148 150 165 185 220 222 275 300 330 370 407 444 550 555 660 740 814 825 925 1100 1110 1171 1221 1628 1650 1850 2035 2220 2342 2442 2775 3300 3513 3700 4070 4684 4884 5550 5855 6105 7026 8140 10175 11100 11710 12210 12881 14052 17565 20350 23420 24420 25762 29275 30525 35130 38643 40700 43327 51524 58550 61050 64405 70260 77286 86654 87825 117100 122100 128810 129981 154572 173308 175650 193215 216635 257620 259962 322025 351300 386430 433270 476597 519924 644050 649905 772860 866540 953194 966075 1083175 1288100 1299810 1429791 1906388 1932150 2166350 2382985 2599620 2859582 3249525 3864300 4332700 4765970 5719164 6499050 7148955 9531940 11914925 12998100 14297910 23829850 28595820 35744775 47659700 71489550 142979100
• Sum of all divisors σ(n): 463886976
• Sum of proper divisors (its aliquot sum) s(n): 320907876
• 142979100 is an abundant number, because the sum of its proper divisors (320907876) is greater than itself. Its abundance is 177928776

Bases of 142979100

• Binary: 1000100001011011000000011100₂
• Hexadecimal: 0x885B01C
• Base-36: 2D4JDO

Squares and roots of 142979100

• 142979100 squared (142979100²) is 20443023036810000
• 142979100 cubed (142979100³) is 2922925035082360671000000
• The square root of 142979100 is 11957.3868382687
• The cube root of 142979100 is 522.9066757525

Scales and comparisons

• 142,979,100 seconds is equal to 4 years, 28 weeks, 2 days, 20 hours, 25 minutes.
• To count from 1 to 142,979,100 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 142979100 cubic inches would be around 43.6 feet tall.

Recreational maths with 142979100

• 142979100 backwards is 001979241
• 142979100 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142979100's digits is 33
• More coming soon!