142394128890

Names of 142394128890

• Cardinal: 142394128890 can be written as One hundred forty-two billion, three hundred ninety-four million, one hundred twenty-eight thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.4239412889 × 10¹¹

Factors of 142394128890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3132

Divisors of 142394128890

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 37 39 65 74 78 111 130 169 185 195 222 271 338 370 390 481 507 542 555 813 845 962 1014 1110 1355 1443 1626 1690 2405 2535 2710 2801 2886 3523 4065 4810 5070 5602 6253 7046 7215 8130 8403 10027 10569 12506 14005 14430 16806 17615 18759 20054 21138 28010 30081 31265 35230 36413 37518 42015 45799 50135 52845 60162 62530 72826 84030 91598 93795 100270 103637 105690 109239 130351 137397 150405 182065 187590 207274 218478 228995 260702 274794 300810 310911 364130 391053 457990 473369 518185 546195 621822 651755 686985 759071 782106 946738 1036370 1092390 1303510 1347281 1373970 1420107 1518142 1554555 1694563 1955265 2277213 2366845 2694562 2840214 3109110 3389126 3795355 3910530 4041843 4554426 4733690 5083689 6736405 7100535 7590710 8083686 8472815 9867923 10167378 11386065 13472810 14201070 16945630 17514653 19735846 20209215 22772130 25418445 28085627 29603769 35029306 40418430 49339615 50836890 52543959 56171254 59207538 84256881 87573265 98679230 105087918 128282999 140428135 148018845 168513762 175146530 256565998 262719795 280856270 296037690 365113151 384848997 421284405 525439590 641414995 730226302 769697994 842568810 1095339453 1282829990 1825565755 1924244985 2190678906 3651131510 3848489970 4746470963 5476697265 9492941926 10953394530 14239412889 23732354815 28478825778 47464709630 71197064445 142394128890
• Sum of all divisors σ(n): 381596355072
• Sum of proper divisors (its aliquot sum) s(n): 239202226182
• 142394128890 is an abundant number, because the sum of its proper divisors (239202226182) is greater than itself. Its abundance is 96808097292

Bases of 142394128890

• Binary: 10000100100111010110011111100111111010₂
• Hexadecimal: 0x212759F9FA
• Base-36: 1TEXSD16

Squares and roots of 142394128890

• 142394128890 squared (142394128890²) is 20276087942341932632100
• 142394128890 cubed (142394128890³) is 2887195879846812043666944351369000
• The square root of 142394128890 is 377351.4659968875
• The cube root of 142394128890 is 5221.9257743093

Scales and comparisons

• 142,394,128,890 seconds is equal to 4,527 years, 36 weeks, 4 hours, 41 minutes, 30 seconds.
• To count from 1 to 142,394,128,890 would take you about nine thousand and fifty-five 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 142394128890 cubic inches would be around 435.2 feet tall.

Recreational maths with 142394128890

• 142394128890 backwards is 098821493241
• The number of decimal digits it has is: 12
• The sum of 142394128890's digits is 51
• More coming soon!