30121428225

Names of 30121428225

• Cardinal: 30121428225 can be written as Thirty billion, one hundred twenty-one million, four hundred twenty-eight thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 3.0121428225 × 10¹⁰

Factors of 30121428225

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 506

Divisors of 30121428225

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 15 21 25 31 35 49 75 93 105 107 147 155 175 217 245 321 343 353 465 525 535 651 735 749 775 1029 1059 1085 1225 1519 1605 1715 1765 2247 2325 2471 2675 3255 3317 3675 3745 4557 5145 5243 5295 5425 7413 7595 8025 8575 8825 9951 10633 10943 11235 12355 15729 16275 16585 17297 18725 22785 23219 25725 26215 26475 31899 32829 36701 37065 37771 37975 49755 51891 53165 54715 56175 61775 69657 76601 78645 82925 86485 110103 113313 113925 116095 121079 131075 159495 162533 164145 183505 185325 188855 229803 248775 259455 264397 265825 273575 348285 363237 383005 393225 432425 487599 536207 550515 566565 580475 605395 793191 797475 812665 820725 917525 944275 1137731 1149015 1170901 1297275 1321985 1608621 1741425 1816185 1850779 1915025 2437995 2681035 2752575 2832825 3026975 3413193 3512703 3753449 3965955 4063325 5552337 5688655 5745075 5854505 6609925 8043105 8196307 9080925 9253895 11260347 12189975 12955453 13405175 17065965 17563515 18767245 19829775 24588921 27761685 28443275 29272525 38866359 40215525 40981535 46269475 56301735 57374149 64777265 85329825 87817575 93836225 122944605 138808425 172122447 194331795 204907675 281508675 286870745 323886325 401619043 614723025 860612235 971658975 1204857129 1434353725 2008095215 4303061175 6024285645 10040476075 30121428225
• Sum of all divisors σ(n): 60681830400
• Sum of proper divisors (its aliquot sum) s(n): 30560402175
• 30121428225 is an abundant number, because the sum of its proper divisors (30560402175) is greater than itself. Its abundance is 438973950

Bases of 30121428225

• Binary: 11100000011011000001000010100000001₂
• Hexadecimal: 0x703608501
• Base-36: DU5IQRL

Squares and roots of 30121428225

• 30121428225 squared (30121428225²) is 907300438313826650625
• 30121428225 cubed (30121428225³) is 27329185031180969481893088890625
• The square root of 30121428225 is 173555.2598597923
• The cube root of 30121428225 is 3111.4191482613

Scales and comparisons

• 30,121,428,225 seconds is equal to 957 years, 39 weeks, 6 days, 15 hours, 23 minutes, 45 seconds.
• To count from 1 to 30,121,428,225 would take you about one thousand, nine hundred fifteen 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 30121428225 cubic inches would be around 259.3 feet tall.

Recreational maths with 30121428225

• 30121428225 backwards is 52282412103
• The number of decimal digits it has is: 11
• The sum of 30121428225's digits is 30
• More coming soon!