28974313320

Names of 28974313320

• Cardinal: 28974313320 can be written as Twenty-eight billion, nine hundred seventy-four million, three hundred thirteen thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.897431332 × 10¹⁰

Factors of 28974313320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 79211

Divisors of 28974313320

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 43 60 71 86 120 129 142 172 213 215 258 284 344 355 426 430 516 568 645 710 852 860 1032 1065 1290 1420 1704 1720 2130 2580 2840 3053 4260 5160 6106 8520 9159 12212 15265 18318 24424 30530 36636 45795 61060 73272 79087 91590 122120 158174 183180 237261 316348 366360 395435 474522 632696 790870 949044 1186305 1581740 1898088 2372610 3163480 3400741 4745220 5615177 6801482 9490440 10202223 11230354 13602964 16845531 17003705 20404446 22460708 27205928 28075885 33691062 34007410 40808892 44921416 51011115 56151770 67382124 68014820 81617784 84227655 102022230 112303540 134764248 136029640 168455310 204044460 224607080 241452611 336910620 408088920 482905222 673821240 724357833 965810444 1207263055 1448715666 1931620888 2414526110 2897431332 3621789165 4829052220 5794862664 7243578330 9658104440 14487156660 28974313320
• Sum of all divisors σ(n): 90198282240
• Sum of proper divisors (its aliquot sum) s(n): 61223968920
• 28974313320 is an abundant number, because the sum of its proper divisors (61223968920) is greater than itself. Its abundance is 32249655600

Bases of 28974313320

• Binary: 11010111111000000001110111101101000₂
• Hexadecimal: 0x6BF00EF68
• Base-36: DB6K38O

Squares and roots of 28974313320

• 28974313320 squared (28974313320²) is 839510832365529422400
• 28974313320 cubed (28974313320³) is 24324249892492846252296226368000
• The square root of 28974313320 is 170218.4282620423
• The cube root of 28974313320 is 3071.4094586629

Scales and comparisons

• 28,974,313,320 seconds is equal to 921 years, 15 weeks, 1 day, 20 hours, 22 minutes.
• To count from 1 to 28,974,313,320 would take you about one thousand, eight hundred forty-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 28974313320 cubic inches would be around 256 feet tall.

Recreational maths with 28974313320

• 28974313320 backwards is 02331347982
• The number of decimal digits it has is: 11
• The sum of 28974313320's digits is 42
• More coming soon!