142903107305

Names of 142903107305

• Cardinal: 142903107305 can be written as One hundred forty-two billion, nine hundred three million, one hundred seven thousand, three hundred five.

Scientific notation

• Scientific notation: 1.42903107305 × 10¹¹

Factors of 142903107305

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2840

Divisors of 142903107305

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 31 35 49 155 217 245 343 961 1085 1519 1715 2797 4805 6727 7595 10633 13985 19579 29791 33635 47089 53165 86707 97895 137053 148955 208537 235445 329623 433535 606949 685265 959371 1042685 1459759 1648115 2687917 3034745 4248643 4796855 7298795 10218313 13439585 18815419 21243215 29740501 51091565 83325427 94077095 131707933 148702505 416627135 583277989 658539665 921955531 2916389945 4082945923 4609777655 20414729615 28580621461 142903107305
• Sum of all divisors σ(n): 206720716800
• Sum of proper divisors (its aliquot sum) s(n): 63817609495
• 142903107305 is a deficient number, because the sum of its proper divisors (63817609495) is less than itself. Its deficiency is 79085497810

Bases of 142903107305

• Binary: 10000101000101101100000101111011101001₂
• Hexadecimal: 0x2145B05EE9
• Base-36: 1TNCTJAH

Squares and roots of 142903107305

• 142903107305 squared (142903107305²) is 20421298077424344363025
• 142903107305 cubed (142903107305³) is 2918266950465561280528633449397625
• The square root of 142903107305 is 378025.2733680647
• The cube root of 142903107305 is 5228.1401855153

Scales and comparisons

• 142,903,107,305 seconds is equal to 4,543 years, 45 weeks, 4 days, 3 hours, 35 minutes, 5 seconds.
• To count from 1 to 142,903,107,305 would take you about nine thousand and eighty-seven 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 142903107305 cubic inches would be around 435.7 feet tall.

Recreational maths with 142903107305

• 142903107305 backwards is 503701309241
• 142903107305 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 142903107305's digits is 35
• More coming soon!