31438872225

Names of 31438872225

• Cardinal: 31438872225 can be written as Thirty-one billion, four hundred thirty-eight million, eight hundred seventy-two thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 3.1438872225 × 10¹⁰

Factors of 31438872225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 199

Divisors of 31438872225

• Number of divisors d(n): 252
• Complete list of divisors:
  1 3 5 9 15 17 25 27 45 47 51 75 81 85 127 135 141 153 225 235 243 255 289 381 405 423 425 459 635 675 705 729 765 799 867 1143 1175 1215 1269 1275 1377 1445 1905 2025 2115 2159 2295 2397 2601 3175 3429 3525 3645 3807 3825 3995 4131 4335 5715 5969 6075 6345 6477 6885 7191 7225 7803 9525 10287 10575 10795 11421 11475 11985 12393 13005 13583 17145 17907 18225 19035 19431 19975 20655 21573 21675 23409 28575 29845 30861 31725 32385 34263 34425 35955 36703 39015 40749 51435 53721 53975 57105 58293 59925 61965 64719 65025 67915 70227 85725 89535 92583 95175 97155 101473 103275 107865 110109 117045 122247 149225 154305 161163 161925 171315 174879 179775 183515 194157 195075 203745 210681 257175 268605 285525 291465 304419 309825 323595 330327 339575 351135 366741 447675 462915 483489 485775 507365 524637 539325 550545 582471 585225 611235 771525 805815 856575 874395 913257 917575 970785 990981 1018725 1053405 1100223 1343025 1450467 1457325 1522095 1573911 1617975 1651635 1725041 1755675 1833705 2314575 2417445 2536825 2623185 2739771 2752725 2912355 2972943 3056175 3300669 4029075 4351401 4371975 4566285 4853925 4954905 5175123 5267025 5501115 7252335 7610475 7869555 8219313 8258175 8625205 8918829 9168525 9902007 12087225 13115925 13698855 14561775 14864715 15525369 16503345 21757005 22831425 24657939 24774525 25875615 26756487 27505575 36261675 39347775 41096565 43126025 44594145 46576107 49510035 68494275 73973817 74323575 77626845 82516725 108785025 123289695 129378075 133782435 139728321 205482825 222970725 232880535 247550175 369869085 388134225 419184963 616448475 668912175 698641605 1164402675 1257554889 1849345425 2095924815 3493208025 6287774445 10479624075 31438872225
• Sum of all divisors σ(n): 63910385664
• Sum of proper divisors (its aliquot sum) s(n): 32471513439
• 31438872225 is an abundant number, because the sum of its proper divisors (32471513439) is greater than itself. Its abundance is 1032641214

Bases of 31438872225

• Binary: 11101010001111001110001111010100001₂
• Hexadecimal: 0x751E71EA1
• Base-36: EFXW529

Squares and roots of 31438872225

• 31438872225 squared (31438872225²) is 988402686779876450625
• 31438872225 cubed (31438872225³) is 31074265776519232432485896390625
• The square root of 31438872225 is 177310.1018695777
• The cube root of 31438872225 is 3156.1355923109

Scales and comparisons

• 31,438,872,225 seconds is equal to 999 years, 34 weeks, 1 day, 20 hours, 3 minutes, 45 seconds.
• To count from 1 to 31,438,872,225 would take you about one thousand, nine hundred ninety-nine 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 31438872225 cubic inches would be around 263 feet tall.

Recreational maths with 31438872225

• 31438872225 backwards is 52227883413
• 31438872225 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31438872225's digits is 45
• More coming soon!