72842231889

Names of 72842231889

• Cardinal: 72842231889 can be written as Seventy-two billion, eight hundred forty-two million, two hundred thirty-one thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 7.2842231889 × 10¹⁰

Factors of 72842231889

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 901

Divisors of 72842231889

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 7 9 21 49 61 63 73 147 183 219 343 427 441 511 549 657 757 1029 1281 1533 2271 2401 2989 3087 3577 3843 4453 4599 5299 6813 7203 8967 10731 13359 15897 20923 21609 25039 26901 31171 32193 37093 40077 46177 47691 55261 62769 75117 93513 111279 138531 146461 165783 175273 188307 218197 225351 259651 280539 323239 333837 386827 415593 439383 497349 525819 654591 778953 969717 1160481 1318149 1527379 1577457 1817557 1963773 2262673 2336859 2707789 2909151 3370921 3481443 4582137 5452671 6788019 8123367 10112763 10691653 13746411 15838711 16358013 18954523 20364057 23596447 24370101 30338289 32074959 47516133 56863569 70789341 96224877 110870977 132681661 142548399 165175129 170590707 212368023 332612931 398044983 495525387 997838793 1156225903 1194134949 1486576161 3468677709 8093581321 10406033127 24280743963 72842231889
• Sum of all divisors σ(n): 126633635752
• Sum of proper divisors (its aliquot sum) s(n): 53791403863
• 72842231889 is a deficient number, because the sum of its proper divisors (53791403863) is less than itself. Its deficiency is 19050828026

Bases of 72842231889

• Binary: 1000011110101101111000100000001010001₂
• Hexadecimal: 0x10F5BC4051
• Base-36: XGODTU9

Squares and roots of 72842231889

• 72842231889 squared (72842231889²) is 5305990746570848508321
• 72842231889 cubed (72842231889³) is 386500208362601978610608028048369
• The square root of 72842231889 is 269893.0008151379
• The cube root of 72842231889 is 4176.3262190729

Scales and comparisons

• 72,842,231,889 seconds is equal to 2,316 years, 8 weeks, 1 day, 9 hours, 18 minutes, 9 seconds.
• To count from 1 to 72,842,231,889 would take you about four thousand, six hundred thirty-two 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 72842231889 cubic inches would be around 348 feet tall.

Recreational maths with 72842231889

• 72842231889 backwards is 98813224827
• The number of decimal digits it has is: 11
• The sum of 72842231889's digits is 54
• More coming soon!