142972742920

Names of 142972742920

• Cardinal: 142972742920 can be written as One hundred forty-two billion, nine hundred seventy-two million, seven hundred forty-two thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.4297274292 × 10¹¹

Factors of 142972742920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1501

Divisors of 142972742920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 173 196 245 280 346 392 490 557 692 757 865 980 1114 1211 1384 1514 1730 1960 2228 2422 2785 3028 3460 3785 3899 4456 4844 5299 5570 6055 6056 6920 7570 7798 8477 9688 10598 11140 12110 15140 15596 16954 19495 21196 22280 24220 26495 27293 30280 31192 33908 37093 38990 42385 42392 48440 52990 54586 67816 74186 77980 84770 96361 105980 109172 130961 136465 148372 155960 169540 185465 192722 211960 218344 261922 272930 296744 339080 370930 385444 421649 481805 523844 545860 654805 674527 741860 770888 843298 916727 963610 1047688 1091720 1309610 1349054 1483720 1686596 1833454 1927220 2108245 2619220 2698108 2951543 3372635 3373192 3666908 3854440 4216490 4583635 4721689 5238440 5396216 5903086 6417089 6745270 7333816 8432980 9167270 9443378 11806172 12834178 13490540 14757715 16865960 18334540 18886756 20660801 23608445 23612344 25668356 26981080 29515430 32085445 36669080 37773512 41321602 47216890 51336712 59030860 64170890 72945277 82643204 94433780 103304005 118061720 128341780 145890554 165286408 188867560 206608010 256683560 291781108 364726385 413216020 510616939 583562216 729452770 826432040 1021233878 1458905540 2042467756 2553084695 2917811080 3574318573 4084935512 5106169390 7148637146 10212338780 14297274292 17871592865 20424677560 28594548584 35743185730 71486371460 142972742920
• Sum of all divisors σ(n): 377546125680
• Sum of proper divisors (its aliquot sum) s(n): 234573382760
• 142972742920 is an abundant number, because the sum of its proper divisors (234573382760) is greater than itself. Its abundance is 91600639840

Bases of 142972742920

• Binary: 10000101001001110101101110110100001000₂
• Hexadecimal: 0x2149D6ED08
• Base-36: 1TOIA2H4

Squares and roots of 142972742920

• 142972742920 squared (142972742920²) is 20441205218068410126400
• 142972742920 cubed (142972742920³) is 2922535178617857339974911905088000
• The square root of 142972742920 is 378117.3665940247
• The cube root of 142972742920 is 5228.9892588131

Scales and comparisons

• 142,972,742,920 seconds is equal to 4,546 years, 4 weeks, 5 days, 2 hours, 48 minutes, 40 seconds.
• To count from 1 to 142,972,742,920 would take you about nine thousand and ninety-two 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 142972742920 cubic inches would be around 435.7 feet tall.

Recreational maths with 142972742920

• 142972742920 backwards is 029247279241
• 142972742920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 142972742920's digits is 49
• More coming soon!