142388204931

Names of 142388204931

• Cardinal: 142388204931 can be written as One hundred forty-two billion, three hundred eighty-eight million, two hundred four thousand, nine hundred thirty-one.

Scientific notation

• Scientific notation: 1.42388204931 × 10¹¹

Factors of 142388204931

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 991

Divisors of 142388204931

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 19 21 31 37 57 63 93 111 133 137 171 217 259 279 333 399 411 589 651 703 757 777 959 1147 1197 1233 1767 1953 2109 2271 2331 2603 2877 3441 4123 4247 4921 5069 5299 5301 6327 6813 7809 8029 8631 10323 12369 12741 14383 14763 15207 15897 18221 21793 23427 23467 24087 28009 29729 35483 37107 38223 43149 44289 45621 47691 54663 65379 70401 72261 80693 84027 89187 96311 100681 103709 106449 129447 152551 157139 163989 164269 196063 196137 211203 242079 252081 267561 288933 302043 311127 319347 445873 457653 471417 492807 532171 564851 588189 674177 725963 726237 866799 868279 906129 933381 1099973 1337619 1372959 1414251 1478421 1596513 1694553 1764567 1970471 2022531 2177889 2604837 2985641 3121111 3214979 3299919 3725197 3837233 4012857 4789539 5083659 5911413 6067593 6077953 6533667 7814511 8956923 9363333 9644937 9899757 11175591 11511699 13793297 16497301 17734239 18233859 20899487 22504853 26860631 26870769 28089999 28934811 33526773 34535097 41379891 49491903 54701577 61084601 62698461 67514559 72907427 80581893 115481107 118954223 124139673 148475709 183253803 188095383 202543677 218722281 241745679 346443321 356862669 427592207 510351989 549761409 656166843 832679561 1039329963 1070588007 1282776621 1531055967 2260130237 2498038683 3848329863 4593167901 6780390711 7494116049 15820911659 20341172133 47462734977 142388204931
• Sum of all divisors σ(n): 264572805120
• Sum of proper divisors (its aliquot sum) s(n): 122184600189
• 142388204931 is a deficient number, because the sum of its proper divisors (122184600189) is less than itself. Its deficiency is 20203604742

Bases of 142388204931

• Binary: 10000100100110111111111001010110000011₂
• Hexadecimal: 0x2126FF9583
• Base-36: 1TEU9E2R

Squares and roots of 142388204931

• 142388204931 squared (142388204931²) is 20274400903472452714761
• 142388204931 cubed (142388204931³) is 2886835550696887146662596556686491
• The square root of 142388204931 is 377343.6165234547
• The cube root of 142388204931 is 5221.8533581609

Scales and comparisons

• 142,388,204,931 seconds is equal to 4,527 years, 26 weeks, 1 day, 15 hours, 8 minutes, 51 seconds.
• To count from 1 to 142,388,204,931 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 142388204931 cubic inches would be around 435.2 feet tall.

Recreational maths with 142388204931

• 142388204931 backwards is 139402883241
• The number of decimal digits it has is: 12
• The sum of 142388204931's digits is 45
• More coming soon!