3998077020

Names of 3998077020

• Cardinal: 3998077020 can be written as Three billion, nine hundred ninety-eight million, seventy-seven thousand and twenty.

Scientific notation

• Scientific notation: 3.99807702 × 10⁹

Factors of 3998077020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7975

Divisors of 3998077020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 421 630 842 1260 1263 1684 2105 2526 2947 3789 4210 5052 5894 6315 7537 7578 8420 8841 11788 12630 14735 15074 15156 17682 18945 22611 25260 26523 29470 30148 35364 37685 37890 44205 45222 52759 53046 58940 67833 75370 75780 88410 90444 105518 106092 113055 132615 135666 150740 158277 176820 211036 226110 263795 265230 271332 316554 339165 452220 474831 527590 530460 633108 678330 791385 949662 1055180 1356660 1582770 1899324 2374155 3165540 3173077 4748310 6346154 9496620 9519231 12692308 15865385 19038462 22211539 28557693 31730770 38076924 44423078 47596155 57115386 63461540 66634617 88846156 95192310 111057695 114230772 133269234 142788465 190384620 199903851 222115390 266538468 285576930 333173085 399807702 444230780 571153860 666346170 799615404 999519255 1332692340 1999038510 3998077020
• Sum of all divisors σ(n): 13894765248
• Sum of proper divisors (its aliquot sum) s(n): 9896688228
• 3998077020 is an abundant number, because the sum of its proper divisors (9896688228) is greater than itself. Its abundance is 5898611208

Bases of 3998077020

• Binary: 11101110010011011101000001011100₂
• Hexadecimal: 0xEE4DD05C
• Base-36: 1U4CNZ0

Squares and roots of 3998077020

• 3998077020 squared (3998077020²) is 15984619857852080400
• 3998077020 cubed (3998077020³) is 63907741327114069206432408000
• The square root of 3998077020 is 63230.3488840605
• The cube root of 3998077020 is 1587.1466328207

Scales and comparisons

• 3,998,077,020 seconds is equal to 127 years, 6 weeks, 4 days, 57 minutes.
• To count from 1 to 3,998,077,020 would take you about two hundred fifty-four 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 3998077020 cubic inches would be around 132.3 feet tall.

Recreational maths with 3998077020

• 3998077020 backwards is 0207708993
• 3998077020 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3998077020's digits is 45
• More coming soon!