61423210728

Names of 61423210728

• Cardinal: 61423210728 can be written as Sixty-one billion, four hundred twenty-three million, two hundred ten thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 6.1423210728 × 10¹⁰

Factors of 61423210728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1650160

Divisors of 61423210728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 47 66 72 88 94 99 132 141 188 198 264 282 376 396 423 517 564 792 846 1034 1128 1551 1692 2068 3102 3384 4136 4653 6204 9306 12408 18612 37224 1650097 3300194 4950291 6600388 9900582 13200776 14850873 18151067 19801164 29701746 36302134 39602328 54453201 59403492 72604268 77554559 108906402 118806984 145208536 155109118 163359603 217812804 232663677 310218236 326719206 435625608 465327354 620436472 653438412 697991031 853100149 930654708 1306876824 1395982062 1706200298 1861309416 2559300447 2791964124 3412400596 5118600894 5583928248 6824801192 7677901341 10237201788 15355802682 20474403576 30711605364 61423210728
• Sum of all divisors σ(n): 185339007360
• Sum of proper divisors (its aliquot sum) s(n): 123915796632
• 61423210728 is an abundant number, because the sum of its proper divisors (123915796632) is greater than itself. Its abundance is 62492585904

Bases of 61423210728

• Binary: 111001001101000110111101000011101000₂
• Hexadecimal: 0xE4D1BD0E8
• Base-36: S7TSKQ0

Squares and roots of 61423210728

• 61423210728 squared (61423210728²) is 3772810816136294289984
• 61423210728 cubed (61423210728³) is 231738153796417266942710371748352
• The square root of 61423210728 is 247837.0648793273
• The cube root of 61423210728 is 3945.5798599229

Scales and comparisons

• 61,423,210,728 seconds is equal to 1,953 years, 3 weeks, 3 days, 18 hours, 58 minutes, 48 seconds.
• To count from 1 to 61,423,210,728 would take you about three thousand, nine hundred 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 61423210728 cubic inches would be around 328.8 feet tall.

Recreational maths with 61423210728

• 61423210728 backwards is 82701232416
• 61423210728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61423210728's digits is 36
• More coming soon!