2681379720

Names of 2681379720

• Cardinal: 2681379720 can be written as Two billion, six hundred eighty-one million, three hundred seventy-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.68137972 × 10⁹

Factors of 2681379720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 324

Divisors of 2681379720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 31 36 40 45 54 60 62 72 90 93 108 120 124 135 155 180 186 216 248 270 279 283 310 360 372 465 540 558 566 620 744 837 849 930 1080 1116 1132 1240 1395 1415 1674 1698 1860 2232 2264 2547 2790 2830 3348 3396 3720 4185 4245 5094 5580 5660 6696 6792 7641 8370 8490 8773 10188 11160 11320 12735 15282 16740 16980 17546 20376 25470 26319 30564 33480 33960 35092 38205 43865 50940 52638 61128 70184 76410 78957 80089 87730 101880 105276 131595 152820 157914 160178 175460 210552 236871 240267 263190 305640 315828 320356 350920 394785 400445 473742 480534 526380 631656 640712 720801 789570 800890 947484 961068 1052760 1184355 1201335 1441602 1579140 1601780 1894968 1922136 2162403 2368710 2402670 2482759 2883204 3158280 3203560 3604005 4324806 4737420 4805340 4965518 5766408 7208010 7448277 8649612 9474840 9610680 9931036 10812015 12413795 14416020 14896554 17299224 19862072 21624030 22344831 24827590 28832040 29793108 37241385 43248060 44689662 49655180 59586216 67034493 74482770 86496120 89379324 99310360 111724155 134068986 148965540 178758648 223448310 268137972 297931080 335172465 446896620 536275944 670344930 893793240 1340689860 2681379720
• Sum of all divisors σ(n): 9258969600
• Sum of proper divisors (its aliquot sum) s(n): 6577589880
• 2681379720 is an abundant number, because the sum of its proper divisors (6577589880) is greater than itself. Its abundance is 3896210160

Bases of 2681379720

• Binary: 10011111110100101001101110001000₂
• Hexadecimal: 0x9FD29B88
• Base-36: 18CF9U0

Squares and roots of 2681379720

• 2681379720 squared (2681379720²) is 7189797202827278400
• 2681379720 cubed (2681379720³) is 19278576410573790964554048000
• The square root of 2681379720 is 51782.0405159935
• The cube root of 2681379720 is 1389.2682379203

Scales and comparisons

• 2,681,379,720 seconds is equal to 85 years, 13 weeks, 3 days, 11 hours, 42 minutes.
• To count from 1 to 2,681,379,720 would take you about one hundred seventy 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 2681379720 cubic inches would be around 115.8 feet tall.

Recreational maths with 2681379720

• 2681379720 backwards is 0279731862
• 2681379720 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2681379720's digits is 45
• More coming soon!