1395415140

Names of 1395415140

• Cardinal: 1395415140 can be written as One billion, three hundred ninety-five million, four hundred fifteen thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.39541514 × 10⁹

Factors of 1395415140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1449

Divisors of 1395415140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 521 588 735 911 980 1042 1470 1563 1822 2084 2605 2733 2940 3126 3644 3647 4555 5210 5466 6252 6377 7294 7815 9110 10420 10932 10941 12754 13665 14588 15630 18220 18235 19131 21882 25508 25529 27330 31260 31885 36470 38262 43764 44639 51058 54660 54705 63770 72940 76524 76587 89278 95655 102116 109410 127540 127645 133917 153174 178556 191310 218820 223195 255290 267834 306348 382620 382935 446390 474631 510580 535668 669585 765870 892780 949262 1339170 1423893 1531740 1898524 2373155 2678340 2847786 3322417 4746310 5695572 6644834 7119465 9492620 9967251 13289668 14238930 16612085 19934502 23256919 28477860 33224170 39869004 46513838 49836255 66448340 69770757 93027676 99672510 116284595 139541514 199345020 232569190 279083028 348853785 465138380 697707570 1395415140
• Sum of all divisors σ(n): 4558788864
• Sum of proper divisors (its aliquot sum) s(n): 3163373724
• 1395415140 is an abundant number, because the sum of its proper divisors (3163373724) is greater than itself. Its abundance is 1767958584

Bases of 1395415140

• Binary: 1010011001011000101100001100100₂
• Hexadecimal: 0x532C5864
• Base-36: N2SL7O

Squares and roots of 1395415140

• 1395415140 squared (1395415140²) is 1947183412941219600
• 1395415140 cubed (1395415140³) is 2717129214775049759904744000
• The square root of 1395415140 is 37355.2558551003
• The cube root of 1395415140 is 1117.4664084113

Scales and comparisons

• 1,395,415,140 seconds is equal to 44 years, 19 weeks, 1 day, 15 hours, 19 minutes.
• To count from 1 to 1,395,415,140 would take you about eighty-eight 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 1395415140 cubic inches would be around 93.1 feet tall.

Recreational maths with 1395415140

• 1395415140 backwards is 0415145931
• The number of decimal digits it has is: 10
• The sum of 1395415140's digits is 33
• More coming soon!