138000028750

Names of 138000028750

• Cardinal: 138000028750 can be written as One hundred thirty-eight billion, twenty-eight thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 1.3800002875 × 10¹¹

Factors of 138000028750

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1024

Divisors of 138000028750

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 5 10 17 23 25 34 46 50 85 115 125 170 230 250 289 391 425 575 578 625 782 850 977 1150 1250 1445 1954 1955 2125 2875 2890 3910 4250 4885 4913 5750 6647 7225 9770 9775 9826 10625 13294 14375 14450 16609 19550 21250 22471 24425 24565 28750 33218 33235 36125 44942 48850 48875 49130 66470 72250 83045 97750 112355 112999 122125 122825 166090 166175 180625 224710 225998 244250 244375 245650 282353 332350 361250 382007 415225 488750 561775 564706 564995 610625 614125 764014 830450 830875 1123550 1129990 1221250 1228250 1411765 1661750 1910035 2076125 2808875 2823530 2824975 3070625 3820070 4152250 4154375 4800001 5617750 5649950 6141250 6494119 7058825 8308750 9550175 9600002 10380625 12988238 14044375 14117650 14124875 19100350 20761250 24000005 28088750 28249750 32470595 35294125 47750875 48000010 64941190 70588250 70624375 95501750 110400023 120000025 141248750 162352975 176470625 220800046 238754375 240000050 324705950 352941250 477508750 552000115 600000125 811764875 1104000230 1200000250 1623529750 2760000575 3000000625 4058824375 5520001150 6000001250 8117648750 13800002875 27600005750 69000014375 138000028750
• Sum of all divisors σ(n): 287073357120
• Sum of proper divisors (its aliquot sum) s(n): 149073328370
• 138000028750 is an abundant number, because the sum of its proper divisors (149073328370) is greater than itself. Its abundance is 11073299620

Bases of 138000028750

• Binary: 10000000100001011100010101010001001110₂
• Hexadecimal: 0x202171544E
• Base-36: 1RE9NJNY

Squares and roots of 138000028750

• 138000028750 squared (138000028750²) is 19044007935000826562500
• 138000028750 cubed (138000028750³) is 2628073642545342196898763671875000
• The square root of 138000028750 is 371483.5511163313
• The cube root of 138000028750 is 5167.6496112281

Scales and comparisons

• 138,000,028,750 seconds is equal to 4,387 years, 50 weeks, 4 days, 13 hours, 19 minutes, 10 seconds.
• To count from 1 to 138,000,028,750 would take you about eight thousand, seven hundred seventy-five 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 138000028750 cubic inches would be around 430.6 feet tall.

Recreational maths with 138000028750

• 138000028750 backwards is 057820000831
• 138000028750 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138000028750's digits is 34
• More coming soon!