139242731520

Names of 139242731520

• Cardinal: 139242731520 can be written as One hundred thirty-nine billion, two hundred forty-two million, seven hundred thirty-one thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.3924273152 × 10¹¹

Factors of 139242731520

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2139

Divisors of 139242731520

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1536 1920 2048 2129 2560 3072 3840 4258 5120 6144 6387 7680 8516 10240 10645 12774 15360 17032 21290 25548 30720 31935 34064 42580 51096 63870 68128 85160 102192 127740 136256 170320 204384 255480 272512 340640 408768 510960 545024 681280 817536 1021920 1090048 1362560 1635072 2043840 2180096 2725120 3270144 4087680 4360192 4532641 5450240 6540288 8175360 9065282 10900480 13080576 13597923 16350720 18130564 21800960 22663205 27195846 32701440 36261128 45326410 54391692 65402880 67989615 72522256 90652820 108783384 135979230 145044512 181305640 217566768 271958460 290089024 362611280 435133536 543916920 580178048 725222560 870267072 1087833840 1160356096 1450445120 1740534144 2175667680 2320712192 2900890240 3481068288 4351335360 4641424384 5801780480 6962136576 8702670720 9282848768 11603560960 13924273152 17405341440 23207121920 27848546304 34810682880 46414243840 69621365760 139242731520
• Sum of all divisors σ(n): 445677293880
• Sum of proper divisors (its aliquot sum) s(n): 306434562360
• 139242731520 is an abundant number, because the sum of its proper divisors (306434562360) is greater than itself. Its abundance is 167191830840

Bases of 139242731520

• Binary: 10000001101011100000110111100000000000₂
• Hexadecimal: 0x206B837800
• Base-36: 1RYTIZ9C

Squares and roots of 139242731520

• 139242731520 squared (139242731520²) is 19388538281150801510400
• 139242731520 cubed (139242731520³) is 2699713030447523331345437687808000
• The square root of 139242731520 is 373152.4239771195
• The cube root of 139242731520 is 5183.1149990527

Scales and comparisons

• 139,242,731,520 seconds is equal to 4,427 years, 25 weeks, 2 days, 16 hours, 32 minutes.
• To count from 1 to 139,242,731,520 would take you about eight thousand, eight hundred fifty-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 139242731520 cubic inches would be around 431.9 feet tall.

Recreational maths with 139242731520

• 139242731520 backwards is 025137242931
• The number of decimal digits it has is: 12
• The sum of 139242731520's digits is 39
• More coming soon!