3138450840

Names of 3138450840

• Cardinal: 3138450840 can be written as Three billion, one hundred thirty-eight million, four hundred fifty thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.13845084 × 10⁹

Factors of 3138450840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3317

Divisors of 3138450840

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 84 90 105 108 120 126 131 135 140 168 180 189 210 216 252 262 270 280 315 360 378 393 420 504 524 540 630 655 756 786 840 917 945 1048 1080 1179 1260 1310 1512 1572 1834 1890 1965 2358 2520 2620 2751 3144 3169 3537 3668 3780 3930 4585 4716 5240 5502 5895 6338 7074 7336 7560 7860 8253 9170 9432 9507 11004 11790 12676 13755 14148 15720 15845 16506 17685 18340 19014 22008 22183 23580 24759 25352 27510 28296 28521 31690 33012 35370 36680 38028 41265 44366 47160 47535 49518 55020 57042 63380 66024 66549 70740 76056 82530 85563 88732 95070 99036 110040 110915 114084 123795 126760 133098 141480 142605 165060 171126 177464 190140 198072 199647 221830 228168 247590 266196 285210 330120 332745 342252 380280 399294 415139 427815 443660 495180 532392 570420 598941 665490 684504 798588 830278 855630 887320 990360 998235 1140840 1197882 1245417 1330980 1597176 1660556 1711260 1996470 2075695 2395764 2490834 2661960 2905973 2994705 3321112 3422520 3736251 3992940 4151390 4791528 4981668 5811946 5989410 6227085 7472502 7985880 8302780 8717919 9963336 11208753 11623892 11978820 12454170 14529865 14945004 16605560 17435838 18681255 22417506 23247784 23957640 24908340 26153757 29059730 29890008 34871676 37362510 43589595 44835012 49816680 52307514 56043765 58119460 69743352 74725020 78461271 87179190 89670024 104615028 112087530 116238920 130768785 149450040 156922542 174358380 209230056 224175060 261537570 313845084 348716760 392306355 448350120 523075140 627690168 784612710 1046150280 1569225420 3138450840
• Sum of all divisors σ(n): 12051072000
• Sum of proper divisors (its aliquot sum) s(n): 8912621160
• 3138450840 is an abundant number, because the sum of its proper divisors (8912621160) is greater than itself. Its abundance is 5774170320

Bases of 3138450840

• Binary: 10111011000100001111010110011000₂
• Hexadecimal: 0xBB10F598
• Base-36: 1FWJW60

Squares and roots of 3138450840

• 3138450840 squared (3138450840²) is 9849873675096705600
• 3138450840 cubed (3138450840³) is 30913344309501142771552704000
• The square root of 3138450840 is 56021.8782262787
• The cube root of 3138450840 is 1464.1034930871

Scales and comparisons

• 3,138,450,840 seconds is equal to 99 years, 41 weeks, 1 day, 15 hours, 54 minutes.
• To count from 1 to 3,138,450,840 would take you about one hundred ninety-nine 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 3138450840 cubic inches would be around 122 feet tall.

Recreational maths with 3138450840

• 3138450840 backwards is 0480548313
• 3138450840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3138450840's digits is 36
• More coming soon!