138028071880

Names of 138028071880

• Cardinal: 138028071880 can be written as One hundred thirty-eight billion, twenty-eight million, seventy-one thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3802807188 × 10¹¹

Factors of 138028071880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6436

Divisors of 138028071880

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 20 40 43 86 172 215 307 344 430 614 860 1228 1535 1720 1849 2456 3070 3698 6079 6140 7396 9245 12158 12280 13201 14792 18490 24316 26402 30395 36980 48632 52804 60790 66005 73960 105608 121580 132010 243160 261397 264020 522794 528040 567643 1045588 1135286 1306985 1866253 2091176 2270572 2613970 2838215 3732506 4541144 5227940 5676430 7465012 9331265 10455880 11240071 11352860 14930024 18662530 22480142 22705720 37325060 44960284 56200355 74650120 80248879 89920568 112400710 160497758 224801420 320995516 401244395 449602840 641991032 802488790 1604977580 3209955160 3450701797 6901403594 13802807188 17253508985 27605614376 34507017970 69014035940 138028071880
• Sum of all divisors σ(n): 319041676800
• Sum of proper divisors (its aliquot sum) s(n): 181013604920
• 138028071880 is an abundant number, because the sum of its proper divisors (181013604920) is greater than itself. Its abundance is 42985533040

Bases of 138028071880

• Binary: 10000000100011000111010011101111001000₂
• Hexadecimal: 0x20231D3BC8
• Base-36: 1REQCLVS

Squares and roots of 138028071880

• 138028071880 squared (138028071880²) is 19051748626910446734400
• 138028071880 cubed (138028071880³) is 2629676128914886444178674468672000
• The square root of 138028071880 is 371521.2939792281
• The cube root of 138028071880 is 5167.9996286787

Scales and comparisons

• 138,028,071,880 seconds is equal to 4,388 years, 45 weeks, 3 hours, 4 minutes, 40 seconds.
• To count from 1 to 138,028,071,880 would take you about eight thousand, seven hundred seventy-seven 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 138028071880 cubic inches would be around 430.7 feet tall.

Recreational maths with 138028071880

• 138028071880 backwards is 088170820831
• The number of decimal digits it has is: 12
• The sum of 138028071880's digits is 46
• More coming soon!