142229724

Names of 142229724

• Cardinal: 142229724 can be written as One hundred forty-two million, two hundred twenty-nine thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 1.42229724 × 10⁸

Factors of 142229724

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 301

Divisors of 142229724

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 39 42 43 52 78 84 86 91 129 156 169 172 182 233 258 273 301 338 364 466 507 516 546 559 602 676 699 903 932 1014 1092 1118 1183 1204 1398 1631 1677 1806 2028 2236 2366 2796 3029 3262 3354 3549 3612 3913 4732 4893 6058 6524 6708 7098 7267 7826 9087 9786 10019 11739 12116 14196 14534 15652 18174 19572 20038 21203 21801 23478 29068 30057 36348 39377 40076 42406 43602 46956 50869 60114 63609 70133 78754 84812 87204 101738 118131 120228 127218 130247 140266 152607 157508 203476 210399 236262 254436 260494 275639 280532 305214 390741 420798 472524 520988 551278 610428 781482 826917 841596 911729 1102556 1562964 1653834 1693211 1823458 2735187 3307668 3386422 3646916 5079633 5470374 6772844 10159266 10940748 11852477 20318532 23704954 35557431 47409908 71114862 142229724
• Sum of all divisors σ(n): 422053632
• Sum of proper divisors (its aliquot sum) s(n): 279823908
• 142229724 is an abundant number, because the sum of its proper divisors (279823908) is greater than itself. Its abundance is 137594184

Bases of 142229724

• Binary: 1000011110100100000011011100₂
• Hexadecimal: 0x87A40DC
• Base-36: 2COH5O

Squares and roots of 142229724

• 142229724 squared (142229724²) is 20229294389116176
• 142229724 cubed (142229724³) is 2877206957678742316415424
• The square root of 142229724 is 11926.0103974465
• The cube root of 142229724 is 521.9915296405

Scales and comparisons

• 142,229,724 seconds is equal to 4 years, 27 weeks, 1 day, 4 hours, 15 minutes, 24 seconds.
• To count from 1 to 142,229,724 would take you about six 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 142229724 cubic inches would be around 43.5 feet tall.

Recreational maths with 142229724

• 142229724 backwards is 427922241
• The number of decimal digits it has is: 9
• The sum of 142229724's digits is 33
• More coming soon!