12890160640

Names of 12890160640

• Cardinal: 12890160640 can be written as Twelve billion, eight hundred ninety million, one hundred sixty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.289016064 × 10¹⁰

Factors of 12890160640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 19492

Divisors of 12890160640

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 37 40 56 64 70 74 80 112 128 140 148 160 185 224 256 259 280 296 320 370 448 512 518 560 592 640 740 896 1036 1120 1184 1280 1295 1480 1792 2072 2240 2368 2560 2590 2960 3584 4144 4480 4736 5180 5920 8288 8960 9472 10360 11840 16576 17920 18944 19441 20720 23680 33152 38882 41440 47360 66304 77764 82880 94720 97205 132608 136087 155528 165760 194410 272174 311056 331520 388820 544348 622112 663040 680435 719317 777640 1088696 1244224 1360870 1438634 1555280 2177392 2488448 2721740 2877268 3110560 3596585 4354784 4976896 5035219 5443480 5754536 6221120 7193170 8709568 9953792 10070438 10886960 11509072 12442240 14386340 17419136 20140876 21773920 23018144 24884480 25176095 28772680 34838272 40281752 43547840 46036288 49768960 50352190 57545360 69676544 80563504 87095680 92072576 100704380 115090720 161127008 174191360 184145152 201408760 230181440 322254016 348382720 368290304 402817520 460362880 644508032 805635040 920725760 1289016064 1611270080 1841451520 2578032128 3222540160 6445080320 12890160640
• Sum of all divisors σ(n): 36277838784
• Sum of proper divisors (its aliquot sum) s(n): 23387678144
• 12890160640 is an abundant number, because the sum of its proper divisors (23387678144) is greater than itself. Its abundance is 10497517504

Bases of 12890160640

• Binary: 1100000000010100000011111000000000₂
• Hexadecimal: 0x300503E00
• Base-36: 5X6GVLS

Squares and roots of 12890160640

• 12890160640 squared (12890160640²) is 166156241325005209600
• 12890160640 cubed (12890160640³) is 2141780642017923600580870144000
• The square root of 12890160640 is 113534.8432861031
• The cube root of 12890160640 is 2344.6936641709

Scales and comparisons

• 12,890,160,640 seconds is equal to 409 years, 45 weeks, 16 hours, 10 minutes, 40 seconds.
• To count from 1 to 12,890,160,640 would take you about eight hundred nineteen 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 12890160640 cubic inches would be around 195.4 feet tall.

Recreational maths with 12890160640

• 12890160640 backwards is 04606109821
• 12890160640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12890160640's digits is 37
• More coming soon!