7142543840

Names of 7142543840

• Cardinal: 7142543840 can be written as Seven billion, one hundred forty-two million, five hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 7.14254384 × 10⁹

Factors of 7142543840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4046

Divisors of 7142543840

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 31 32 38 40 62 76 80 95 124 152 155 160 190 248 304 310 361 380 496 589 608 620 722 760 992 1178 1240 1444 1520 1805 2356 2480 2888 2945 3040 3610 3989 4712 4960 5776 5890 7220 7978 9424 11191 11552 11780 14440 15956 18848 19945 22382 23560 28880 31912 39890 44764 47120 55955 57760 63824 75791 79780 89528 94240 111910 123659 127648 151582 159560 179056 223820 247318 303164 319120 358112 378955 447640 494636 606328 618295 638240 757910 895280 989272 1212656 1236590 1440029 1515820 1790560 1978544 2349521 2425312 2473180 2880058 3031640 3957088 4699042 4946360 5760116 6063280 7200145 9398084 9892720 11520232 11747605 12126560 14400290 18796168 19785440 23040464 23495210 28800580 37592336 44640899 46080928 46990420 57601160 75184672 89281798 93980840 115202320 178563596 187961680 223204495 230404640 357127192 375923360 446408990 714254384 892817980 1428508768 1785635960 3571271920 7142543840
• Sum of all divisors σ(n): 18388218240
• Sum of proper divisors (its aliquot sum) s(n): 11245674400
• 7142543840 is an abundant number, because the sum of its proper divisors (11245674400) is greater than itself. Its abundance is 4103130560

Bases of 7142543840

• Binary: 110101001101110101001000111100000₂
• Hexadecimal: 0x1A9BA91E0
• Base-36: 3A4HI3K

Squares and roots of 7142543840

• 7142543840 squared (7142543840²) is 51015932506321945600
• 7142543840 cubed (7142543840³) is 364383534464885573602095104000
• The square root of 7142543840 is 84513.5719278271
• The cube root of 7142543840 is 1925.8286275755

Scales and comparisons

• 7,142,543,840 seconds is equal to 227 years, 5 weeks, 5 days, 7 hours, 57 minutes, 20 seconds.
• To count from 1 to 7,142,543,840 would take you about four 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 7142543840 cubic inches would be around 160.5 feet tall.

Recreational maths with 7142543840

• 7142543840 backwards is 0483452417
• 7142543840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7142543840's digits is 38
• More coming soon!