40078605672

Names of 40078605672

• Cardinal: 40078605672 can be written as Forty billion, seventy-eight million, six hundred five thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 4.0078605672 × 10¹⁰

Factors of 40078605672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 25762

Divisors of 40078605672

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 252 294 392 441 449 504 588 882 898 1176 1347 1764 1796 2694 3143 3528 3592 4041 5388 6286 8082 9429 10776 12572 16164 18858 22001 25144 25301 28287 32328 37716 44002 50602 56574 66003 75432 75903 88004 101204 113148 132006 151806 176008 177107 198009 202408 226296 227709 264012 303612 354214 396018 455418 528024 531321 607224 708428 792036 910836 1062642 1239749 1416856 1584072 1593963 1821672 2125284 2479498 3187926 3719247 4250568 4958996 6375852 7438494 9917992 11157741 11360149 12751704 14876988 22315482 22720298 29753976 34080447 44630964 45440596 68160894 79521043 89261928 90881192 102241341 136321788 159042086 204482682 238563129 272643576 318084172 408965364 477126258 556647301 636168344 715689387 817930728 954252516 1113294602 1431378774 1669941903 1908505032 2226589204 2862757548 3339883806 4453178408 5009825709 5725515096 6679767612 10019651418 13359535224 20039302836 40078605672
• Sum of all divisors σ(n): 126554278500
• Sum of proper divisors (its aliquot sum) s(n): 86475672828
• 40078605672 is an abundant number, because the sum of its proper divisors (86475672828) is greater than itself. Its abundance is 46397067156

Bases of 40078605672

• Binary: 100101010100110111101111110101101000₂
• Hexadecimal: 0x954DEFD68
• Base-36: IETRM20

Squares and roots of 40078605672

• 40078605672 squared (40078605672²) is 1606294632611670571584
• 40078605672 cubed (40078605672³) is 64378049173493256343681984424448
• The square root of 40078605672 is 200196.4177301881
• The cube root of 40078605672 is 3422.1906576367

Scales and comparisons

• 40,078,605,672 seconds is equal to 1,274 years, 19 weeks, 3 days, 18 hours, 1 minute, 12 seconds.
• To count from 1 to 40,078,605,672 would take you about two thousand, five hundred forty-eight 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 40078605672 cubic inches would be around 285.2 feet tall.

Recreational maths with 40078605672

• 40078605672 backwards is 27650687004
• The number of decimal digits it has is: 11
• The sum of 40078605672's digits is 45
• More coming soon!