138528870400

Names of 138528870400

• Cardinal: 138528870400 can be written as One hundred thirty-eight billion, five hundred twenty-eight million, eight hundred seventy thousand, four hundred.

Scientific notation

• Scientific notation: 1.385288704 × 10¹¹

Factors of 138528870400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 46685

Divisors of 138528870400

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 29 32 40 50 58 64 80 100 116 128 145 160 200 232 256 290 320 400 464 512 580 640 725 800 928 1024 1160 1280 1450 1600 1856 2048 2320 2560 2900 3200 3712 4096 4640 5120 5800 6400 7424 9280 10240 11600 12800 14848 18560 20480 23200 25600 29696 37120 46400 46649 51200 59392 74240 92800 93298 102400 118784 148480 185600 186596 233245 296960 371200 373192 466490 593920 742400 746384 932980 1166225 1352821 1484800 1492768 1865960 2332450 2705642 2969600 2985536 3731920 4664900 5411284 5971072 6764105 7463840 9329800 10822568 11942144 13528210 14927680 18659600 21645136 23884288 27056420 29855360 33820525 37319200 43290272 47768576 54112840 59710720 67641050 74638400 86580544 95537152 108225680 119421440 135282100 149276800 173161088 191074304 216451360 238842880 270564200 298553600 346322176 432902720 477685760 541128400 597107200 692644352 865805440 955371520 1082256800 1194214400 1385288704 1731610880 2164513600 2388428800 2770577408 3463221760 4329027200 4776857600 5541154816 6926443520 8658054400 13852887040 17316108800 27705774080 34632217600 69264435200 138528870400
• Sum of all divisors σ(n): 355362439500
• Sum of proper divisors (its aliquot sum) s(n): 216833569100
• 138528870400 is an abundant number, because the sum of its proper divisors (216833569100) is greater than itself. Its abundance is 78304698700

Bases of 138528870400

• Binary: 10000001000000111101101101000000000000₂
• Hexadecimal: 0x2040F6D000
• Base-36: 1RN0IGHS

Squares and roots of 138528870400

• 138528870400 squared (138528870400²) is 19190247934299996160000
• 138528870400 cubed (138528870400³) is 2658403369034511882769137664000000
• The square root of 138528870400 is 372194.6673449259
• The cube root of 138528870400 is 5174.2423267819

Scales and comparisons

• 138,528,870,400 seconds is equal to 4,404 years, 41 weeks, 9 hours, 46 minutes, 40 seconds.
• To count from 1 to 138,528,870,400 would take you about eight thousand, eight hundred nine 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 138528870400 cubic inches would be around 431.2 feet tall.

Recreational maths with 138528870400

• 138528870400 backwards is 004078825831
• The number of decimal digits it has is: 12
• The sum of 138528870400's digits is 46
• More coming soon!