378728421956157

Names of 378728421956157

• Cardinal: 378728421956157 can be written as Three hundred seventy-eight trillion, seven hundred twenty-eight billion, four hundred twenty-one million, nine hundred fifty-six thousand, one hundred fifty-seven.

Scientific notation

• Scientific notation: 3.78728421956157 × 10¹⁴

Factors of 378728421956157

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 387794

Divisors of 378728421956157

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 13 21 39 49 67 91 147 201 273 343 469 637 871 1029 1093 1407 1911 2613 3279 3283 4459 6097 7651 9849 13377 14209 18291 22953 22981 42627 42679 53557 68943 73231 99463 128037 160671 219693 298389 298753 374899 386611 512617 696241 896259 952003 1124697 1159833 1537851 2088723 2706277 2856009 3588319 4873687 5025943 6664021 8118831 10764957 14621061 15077829 18943939 19992063 25118233 25902937 35181601 46648147 56831817 75354699 77708811 105544803 132607573 139944441 181320559 246271207 326537029 336738181 397822719 422565823 543961677 738813621 979611087 1010214543 1267697469 1269243913 1723898449 2357167267 2957960761 3807731739 5171695347 5493355699 7071501801 8873882283 8884707391 16480067097 16500170869 20705725327 26654122173 28311910141 38453489893 49500512607 62117175981 84935730423 115360469679 115501196083 144940077289 198183370987 269174429251 346503588249 368054831833 434820231867 594550112961 807523287753 1104164495499 1387283596909 1884221004757 2576383822831 4161850790727 5652663014271 7729151468493 9710985178363 18034686759817 29132955535089 54104060279451 126242807318719 378728421956157
• Sum of all divisors σ(n): 644242813849600
• Sum of proper divisors (its aliquot sum) s(n): 265514391893443
• 378728421956157 is a deficient number, because the sum of its proper divisors (265514391893443) is less than itself. Its deficiency is 113214030062714

Bases of 378728421956157

• Binary: 1010110000111001110010101000011101001101000111101₂
• Hexadecimal: 0x15873950E9A3D
• Base-36: 3Q8XFNYD6L

Squares and roots of 378728421956157

• 378728421956157 squared (378728421956157²) is 143435217597400903590430208649
• 378728421956157 cubed (378728421956157³) is 54322993613601645273054919406651290240201893
• The square root of 378728421956157 is 19460946.0704292843
• The cube root of 378728421956157 is 72350.6825824789

Scales and comparisons

• 378,728,421,956,157 seconds is equal to 12,042,392 years, 17 weeks, 2 days, 16 hours, 15 minutes, 57 seconds.
• To count from 1 to 378,728,421,956,157 would take you about thirty million, one hundred five thousand, nine hundred eighty 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 378728421956157 cubic inches would be around 6029.2 feet tall.

Recreational maths with 378728421956157

• 378728421956157 backwards is 751659124827873
• The number of decimal digits it has is: 15
• The sum of 378728421956157's digits is 75
• More coming soon!