28955649840

Names of 28955649840

• Cardinal: 28955649840 can be written as Twenty-eight billion, nine hundred fifty-five million, six hundred forty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.895564984 × 10¹⁰

Factors of 28955649840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1929

Divisors of 28955649840

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 30 34 39 40 48 51 52 60 65 68 78 80 85 102 104 120 130 136 156 170 195 204 208 221 240 255 260 272 289 312 340 390 408 442 510 520 578 624 663 680 780 816 867 884 1020 1040 1105 1156 1326 1360 1445 1560 1734 1768 1889 2040 2210 2312 2652 2890 3120 3315 3468 3536 3757 3778 4080 4335 4420 4624 4913 5304 5667 5780 6630 6936 7514 7556 8670 8840 9445 9826 10608 11271 11334 11560 13260 13872 14739 15028 15112 17340 17680 18785 18890 19652 22542 22668 23120 24557 24565 26520 28335 29478 30056 30224 32113 34680 37570 37780 39304 45084 45336 49114 49130 53040 56355 56670 58956 60112 63869 64226 69360 73671 73695 75140 75560 78608 90168 90672 96339 98228 98260 112710 113340 117912 122785 127738 128452 147342 147390 150280 151120 160565 180336 191607 192678 196456 196520 225420 226680 235824 245570 255476 256904 294684 294780 300560 319345 321130 368355 383214 385356 392912 393040 417469 450840 453360 481695 491140 510952 513808 545921 589368 589560 638690 642260 736710 766428 770712 834938 901680 958035 963390 982280 1021904 1091842 1178736 1179120 1252407 1277380 1284520 1473420 1532856 1541424 1637763 1669876 1916070 1926780 1964560 2087345 2183684 2504814 2554760 2569040 2729605 2946840 3065712 3275526 3339752 3832140 3853560 4174690 4367368 5009628 5109520 5459210 5893680 6262035 6551052 6679504 7096973 7664280 7707120 8188815 8349380 8734736 9280657 10019256 10918420 12524070 13102104 14193946 15328560 16377630 16698760 18561314 20038512 21290919 21836840 25048140 26204208 27841971 28387892 32755260 33397520 35484865 37122628 42581838 43673680 46403285 50096280 55683942 56775784 65510520 70969730 74245256 85163676 92806570 100192560 106454595 111367884 113551568 120648541 131021040 139209855 141939460 148490512 170327352 185613140 212909190 222735768 241297082 278419710 283878920 340654704 361945623 371226280 425818380 445471536 482594164 556839420 567757840 603242705 723891246 742452560 851636760 965188328 1113678840 1206485410 1447782492 1703273520 1809728115 1930376656 2227357680 2412970820 2895564984 3619456230 4825941640 5791129968 7238912460 9651883280 14477824920 28955649840
• Sum of all divisors σ(n): 102762172800
• Sum of proper divisors (its aliquot sum) s(n): 73806522960
• 28955649840 is an abundant number, because the sum of its proper divisors (73806522960) is greater than itself. Its abundance is 44850873120

Bases of 28955649840

• Binary: 11010111101111001000010011100110000₂
• Hexadecimal: 0x6BDE42730
• Base-36: DAVG2EO

Squares and roots of 28955649840

• 28955649840 squared (28955649840²) is 838429657656692025600
• 28955649840 cubed (28955649840³) is 24277275582578249225993915904000
• The square root of 28955649840 is 170163.5972821451
• The cube root of 28955649840 is 3070.7498456601

Scales and comparisons

• 28,955,649,840 seconds is equal to 920 years, 36 weeks, 2 days, 20 hours, 4 minutes.
• To count from 1 to 28,955,649,840 would take you about one thousand, eight hundred forty-one 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 28955649840 cubic inches would be around 255.9 feet tall.

Recreational maths with 28955649840

• 28955649840 backwards is 04894655982
• 28955649840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28955649840's digits is 60
• More coming soon!