998428885772

Names of 998428885772

• Cardinal: 998428885772 can be written as Nine hundred ninety-eight billion, four hundred twenty-eight million, eight hundred eighty-five thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 9.98428885772 × 10¹¹

Factors of 998428885772

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 206

Divisors of 998428885772

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 29 31 58 61 62 83 116 122 124 166 244 332 841 899 961 1682 1769 1798 1891 1922 2407 2573 3364 3538 3596 3721 3782 3844 4814 5063 5146 7076 7442 7564 9628 10126 10292 14884 20252 26071 27869 51301 52142 54839 55738 58621 69803 74617 79763 102602 104284 107909 109678 111476 115351 117242 139606 146827 149234 156953 159526 205204 215818 219356 230702 234484 279212 293654 298468 308843 313906 319052 431636 461404 587308 617686 627812 808201 1235372 1590331 1616402 1700009 2163893 2313127 3129361 3180662 3232804 3345179 3400018 3575881 4257983 4327786 4551637 4626254 4865543 6258722 6361324 6690358 6800036 7151762 8515966 8655572 8956447 9103274 9252508 9574133 9731086 12517444 13380716 14303524 17031932 17912894 18206548 19148266 19462172 35825788 38296532 49300261 67080683 97010191 98600522 103700549 131997473 134161366 141100747 194020382 197201044 207401098 259736963 263994946 268322732 277649857 282201494 296798123 388040764 414802196 519473926 527989892 555299714 564402988 593596246 1038947852 1110599428 1187192492 3007315921 4091921663 6014631842 8051845853 8183843326 8607145567 12029263684 16103691706 16367686652 17214291134 32207383412 34428582268 249607221443 499214442886 998428885772
• Sum of all divisors σ(n): 1923893692812
• Sum of proper divisors (its aliquot sum) s(n): 925464807040
• 998428885772 is a deficient number, because the sum of its proper divisors (925464807040) is less than itself. Its deficiency is 72964078732

Bases of 998428885772

• Binary: 1110100001110110111111111100001100001100₂
• Hexadecimal: 0xE876FFC30C
• Base-36: CQO6S2RW

Squares and roots of 998428885772

• 998428885772 squared (998428885772²) is 996860239943917424035984
• 998428885772 cubed (998428885772³) is 995294058637614041449023956353619648
• The square root of 998428885772 is 999214.1340933883
• The cube root of 998428885772 is 9994.7602075103

Scales and comparisons

• 998,428,885,772 seconds is equal to 31,746 years, 49 weeks, 2 days, 21 hours, 9 minutes, 32 seconds.
• To count from 1 to 998,428,885,772 would take you about sixty-three thousand, four hundred ninety-three 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 998428885772 cubic inches would be around 832.9 feet tall.

Recreational maths with 998428885772

• 998428885772 backwards is 277588824899
• The number of decimal digits it has is: 12
• The sum of 998428885772's digits is 77
• More coming soon!