3990032072

Names of 3990032072

• Cardinal: 3990032072 can be written as Three billion, nine hundred ninety million, thirty-two thousand and seventy-two.

Scientific notation

• Scientific notation: 3.990032072 × 10⁹

Factors of 3990032072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1347

Divisors of 3990032072

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 19 26 31 38 52 53 62 76 104 106 124 152 212 247 248 403 424 494 589 689 806 988 1007 1178 1229 1378 1612 1643 1976 2014 2356 2458 2756 3224 3286 4028 4712 4916 5512 6572 7657 8056 9832 13091 13144 15314 15977 21359 23351 26182 30628 31217 31954 38099 42718 46702 52364 61256 62434 63908 65137 76198 85436 93404 104728 124868 127816 130274 152396 170872 186808 249736 260548 303563 304792 405821 495287 521096 607126 723881 811642 846781 990574 1214252 1237603 1447762 1623284 1693562 1981148 2019247 2428504 2475206 2895524 3246568 3387124 3962296 4038494 4950412 5791048 6774248 8076988 9410453 9900824 16088839 16153976 18820906 26250211 32177678 37641812 38365693 52500422 64355356 75283624 76731386 105000844 128710712 153462772 210001688 306925544 498754009 997508018 1995016036 3990032072
• Sum of all divisors σ(n): 8926848000
• Sum of proper divisors (its aliquot sum) s(n): 4936815928
• 3990032072 is an abundant number, because the sum of its proper divisors (4936815928) is greater than itself. Its abundance is 946783856

Bases of 3990032072

• Binary: 11101101110100110000111011001000₂
• Hexadecimal: 0xEDD30EC8
• Base-36: 1TZK8G8

Squares and roots of 3990032072

• 3990032072 squared (3990032072²) is 15920355935588613184
• 3990032072 cubed (3990032072³) is 63522730780654132802162037248
• The square root of 3990032072 is 63166.7006578625
• The cube root of 3990032072 is 1586.0813635309

Scales and comparisons

• 3,990,032,072 seconds is equal to 126 years, 45 weeks, 1 day, 22 hours, 14 minutes, 32 seconds.
• To count from 1 to 3,990,032,072 would take you about two hundred fifty-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 3990032072 cubic inches would be around 132.2 feet tall.

Recreational maths with 3990032072

• 3990032072 backwards is 2702300993
• The number of decimal digits it has is: 10
• The sum of 3990032072's digits is 35
• More coming soon!