20138072972160

Names of 20138072972160

• Cardinal: 20138072972160 can be written as Twenty trillion, one hundred thirty-eight billion, seventy-two million, nine hundred seventy-two thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.013807297216 × 10¹³

Factors of 20138072972160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 73346745

Divisors of 20138072972160

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 30 32 33 39 40 44 48 52 55 60 64 65 66 78 80 88 96 104 110 120 128 130 132 143 156 160 165 176 192 195 208 220 240 260 264 286 312 320 330 352 384 390 416 429 440 480 520 528 572 624 640 660 704 715 780 832 858 880 960 1040 1056 1144 1248 1320 1408 1430 1560 1664 1716 1760 1920 2080 2112 2145 2288 2496 2640 2860 3120 3432 3520 4160 4224 4290 4576 4992 5280 5720 6240 6864 7040 8320 8580 9152 10560 11440 12480 13728 17160 18304 21120 22880 24960 27456 34320 45760 54912 68640 91520 137280 274560 73346711 146693422 220040133 293386844 366733555 440080266 586773688 733467110 806813821 880160532 953507243 1100200665 1173547376 1466934220 1613627642 1760321064 1907014486 2200401330 2347094752 2420441463 2860521729 2933868440 3227255284 3520642128 3814028972 4034069105 4400802660 4694189504 4767536215 4840882926 5721043458 5867736880 6454510568 7041284256 7628057944 8068138210 8801605320 9388379008 9535072430 9681765852 10488579673 11442086916 11735473760 12102207315 12909021136 14082568512 14302608645 15256115888 16136276420 17603210640 19070144860 19363531704 20977159346 22884173832 23470947520 24204414630 25818042272 28165137024 28605217290 30512231776 31465739019 32272552840 35206421280 38140289720 38727063408 41954318692 45768347664 46941895040 48408829260 51636084544 52442898365 57210434580 61024463552 62931478038 64545105680 70412842560 76280579440 77454126816 83908637384 91536695328 96817658520 103272169088 104885796730 114420869160 122048927104 125862956076 129090211360 140825685120 152561158880 154908253632 157328695095 167817274768 183073390656 193635317040 209771593460 228841738320 251725912152 258180422720 305122317760 309816507264 314657390190 335634549536 366146781312 387270634080 419543186920 457683476640 503451824304 516360845440 610244635520 629314780380 671269099072 774541268160 839086373840 915366953280 1006903648608 1258629560760 1342538198144 1549082536320 1678172747680 1830733906560 2013807297216 2517259121520 3356345495360 4027614594432 5034518243040 6712690990720 10069036486080 20138072972160
• Sum of all divisors σ(n): 75412155409920
• Sum of proper divisors (its aliquot sum) s(n): 55274082437760
• 20138072972160 is an abundant number, because the sum of its proper divisors (55274082437760) is greater than itself. Its abundance is 35136009465600

Bases of 20138072972160

• Binary: 100100101000011000010101011111001101110000000₂
• Hexadecimal: 0x1250C2AF9B80
• Base-36: 74ZAWP4LC

Squares and roots of 20138072972160

• 20138072972160 squared (20138072972160²) is 405541983032041096135065600
• 20138072972160 cubed (20138072972160³) is 8166834047573716125355944796188573696000
• The square root of 20138072972160 is 4487546.4311982333
• The cube root of 20138072972160 is 27206.4975881469

Scales and comparisons

• 20,138,072,972,160 seconds is equal to 640,328 years, 22 weeks, 2 days, 6 hours, 56 minutes.
• To count from 1 to 20,138,072,972,160 would take you about one million, six hundred thousand, eight hundred twenty-one 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 20138072972160 cubic inches would be around 2267.2 feet tall.

Recreational maths with 20138072972160

• 20138072972160 backwards is 06127927083102
• 20138072972160 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20138072972160's digits is 48
• More coming soon!