642911742143200

Names of 642911742143200

• Cardinal: 642911742143200 can be written as Six hundred forty-two trillion, nine hundred eleven billion, seven hundred forty-two million, one hundred forty-three thousand, two hundred.

Scientific notation

• Scientific notation: 6.429117421432 × 10¹⁴

Factors of 642911742143200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 42296825167

Divisors of 642911742143200

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 152 160 190 200 304 380 400 475 608 760 800 950 1520 1900 3040 3800 7600 15200 42296825141 84593650282 169187300564 211484125705 338374601128 422968251410 676749202256 803639677679 845936502820 1057420628525 1353498404512 1607279355358 1691873005640 2114841257050 3214558710716 3383746011280 4018198388395 4229682514100 6429117421432 6767492022560 8036396776790 8459365028200 12858234842864 16072793553580 16918730056400 20090991941975 25716469685728 32145587107160 33837460112800 40181983883950 64291174214320 80363967767900 128582348428640 160727935535800 321455871071600 642911742143200
• Sum of all divisors σ(n): 1652113990046520
• Sum of proper divisors (its aliquot sum) s(n): 1009202247903320
• 642911742143200 is an abundant number, because the sum of its proper divisors (1009202247903320) is greater than itself. Its abundance is 366290505760120

Bases of 642911742143200

• Binary: 10010010001011100110001110000000110010101011100000₂
• Hexadecimal: 0x248B98E032AE0
• Base-36: 6BW5KRS6HS

Squares and roots of 642911742143200

• 642911742143200 squared (642911742143200²) is 413335508185604486929306240000
• 642911742143200 cubed (642911742143200³) is 265738251657251884786915068138146733568000000
• The square root of 642911742143200 is 25355704.3314359539
• The cube root of 642911742143200 is 86307.8807014259

Scales and comparisons

• 642,911,742,143,200 seconds is equal to 20,442,604 years, 38 weeks, 4 days, 15 hours, 46 minutes, 40 seconds.
• To count from 1 to 642,911,742,143,200 would take you about fifty-one million, one hundred six thousand, five hundred eleven 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 642911742143200 cubic inches would be around 7192.3 feet tall.

Recreational maths with 642911742143200

• 642911742143200 backwards is 002341247119246
• The number of decimal digits it has is: 15
• The sum of 642911742143200's digits is 46
• More coming soon!