1649998980

Names of 1649998980

• Cardinal: 1649998980 can be written as One billion, six hundred forty-nine million, nine hundred ninety-eight thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.64999898 × 10⁹

Factors of 1649998980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2573

Divisors of 1649998980

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 709 1260 1418 1847 2127 2836 3545 3694 4254 4963 5541 6381 7090 7388 8508 9235 9926 10635 11082 12762 12929 14180 14889 16623 18470 19852 21270 22164 24815 25524 25858 27705 29778 31905 33246 36940 38787 42540 44667 49630 51716 55410 59556 63810 64645 66492 74445 77574 83115 89334 99260 110820 116361 127620 129290 148890 155148 166230 178668 193935 223335 232722 258580 297780 332460 387870 446670 465444 581805 775740 893340 1163610 1309523 2327220 2619046 3928569 5238092 6547615 7857138 9166661 11785707 13095230 15714276 18333322 19642845 23571414 26190460 27499983 36666644 39285690 45833305 47142828 54999966 58928535 78571380 82499949 91666610 109999932 117857070 137499915 164999898 183333220 235714140 274999830 329999796 412499745 549999660 824999490 1649998980
• Sum of all divisors σ(n): 5731165440
• Sum of proper divisors (its aliquot sum) s(n): 4081166460
• 1649998980 is an abundant number, because the sum of its proper divisors (4081166460) is greater than itself. Its abundance is 2431167480

Bases of 1649998980

• Binary: 1100010010110001111110010000100₂
• Hexadecimal: 0x6258FC84
• Base-36: RAD7D0

Squares and roots of 1649998980

• 1649998980 squared (1649998980²) is 2722496634001040400
• 1649998980 cubed (1649998980³) is 4492116669155149978938792000
• The square root of 1649998980 is 40620.1794678459
• The cube root of 1649998980 is 1181.6655069727

Scales and comparisons

• 1,649,998,980 seconds is equal to 52 years, 24 weeks, 1 day, 5 hours, 3 minutes.
• To count from 1 to 1,649,998,980 would take you about one hundred 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 1649998980 cubic inches would be around 98.5 feet tall.

Recreational maths with 1649998980

• 1649998980 backwards is 0898999461
• 1649998980 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1649998980's digits is 63
• More coming soon!