29428920

Names of 29428920

• Cardinal: 29428920 can be written as Twenty-nine million, four hundred twenty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.942892 × 10⁷

Factors of 29428920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 334

Divisors of 29428920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 31 36 40 45 54 60 62 72 81 90 93 108 120 124 135 155 162 180 186 216 248 270 279 293 310 324 360 372 405 465 540 558 586 620 648 744 810 837 879 930 1080 1116 1172 1240 1395 1465 1620 1674 1758 1860 2232 2344 2511 2637 2790 2930 3240 3348 3516 3720 4185 4395 5022 5274 5580 5860 6696 7032 7911 8370 8790 9083 10044 10548 11160 11720 12555 13185 15822 16740 17580 18166 20088 21096 23733 25110 26370 27249 31644 33480 35160 36332 39555 45415 47466 50220 52740 54498 63288 72664 79110 81747 90830 94932 100440 105480 108996 118665 136245 158220 163494 181660 189864 217992 237330 245241 272490 316440 326988 363320 408735 474660 490482 544980 653976 735723 817470 949320 980964 1089960 1226205 1471446 1634940 1961928 2452410 2942892 3269880 3678615 4904820 5885784 7357230 9809640 14714460 29428920
• Sum of all divisors σ(n): 102453120
• Sum of proper divisors (its aliquot sum) s(n): 73024200
• 29428920 is an abundant number, because the sum of its proper divisors (73024200) is greater than itself. Its abundance is 43595280

Bases of 29428920

• Binary: 1110000010000110010111000₂
• Hexadecimal: 0x1C10CB8
• Base-36: HIRI0

Squares and roots of 29428920

• 29428920 squared (29428920²) is 866061332366400
• 29428920 cubed (29428920³) is 25487249665304196288000
• The square root of 29428920 is 5424.8428548667
• The cube root of 29428920 is 308.7389632555

Scales and comparisons

• 29,428,920 seconds is equal to 48 weeks, 4 days, 14 hours, 42 minutes.
• To count from 1 to 29,428,920 would take you about twenty weeks!

  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 29428920 cubic inches would be around 25.7 feet tall.

Recreational maths with 29428920

• 29428920 backwards is 02982492
• 29428920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 29428920's digits is 36
• More coming soon!