72129322231680

Names of 72129322231680

• Cardinal: 72129322231680 can be written as Seventy-two trillion, one hundred twenty-nine billion, three hundred twenty-two million, two hundred thirty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 7.212932223168 × 10¹³

Factors of 72129322231680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 27706

Divisors of 72129322231680

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 128 140 147 160 168 192 196 210 224 240 245 280 294 320 336 384 392 420 448 480 490 560 588 640 672 735 784 840 896 960 980 1120 1176 1344 1470 1568 1680 1920 1960 2240 2352 2688 2940 3136 3360 3920 4480 4704 5880 6272 6720 7840 9408 11760 13440 15680 18816 23520 27689 31360 47040 55378 83067 94080 110756 138445 166134 193823 221512 276890 332268 387646 415335 443024 553780 581469 664536 775292 830670 886048 969115 1107560 1162938 1329072 1356761 1550584 1661340 1772096 1938230 2215120 2325876 2658144 2713522 2907345 3101168 3322680 3544192 3876460 4070283 4430240 4651752 5316288 5427044 5814690 6202336 6645360 6783805 7752920 8140566 8860480 9303504 10632576 10854088 11629380 12404672 13290720 13567610 15505840 16281132 17720960 18607008 20351415 21708176 23258760 24809344 26581440 27135220 31011680 32562264 37214016 40702830 43416352 46517520 53162880 54270440 62023360 65124528 74428032 81405660 86832704 93035040 108540880 124046720 130249056 162811320 173665408 186070080 217081760 260498112 325622640 372140160 434163520 520996224 651245280 766680721 868327040 1302490560 1533361442 2300042163 2604981120 3066722884 3833403605 4600084326 5366765047 6133445768 7666807210 9200168652 10733530094 11500210815 12266891536 15333614420 16100295141 18400337304 21467060188 23000421630 24533783072 26833825235 30667228840 32200590282 36800674608 37567355329 42934120376 46000843260 49067566144 53667650470 61334457680 64401180564 73601349216 75134710658 80501475705 85868240752 92001686520 98135132288 107335300940 112702065987 122668915360 128802361128 147202698432 150269421316 161002951410 171736481504 184003373040 187836776645 214670601880 225404131974 245337830720 257604722256 294405396864 300538842632 322005902820 343472963008 368006746080 375673553290 429341203760 450808263948 490675661440 515209444512 563510329935 601077685264 644011805640 686945926016 736013492160 751347106580 858682407520 901616527896 1030418889024 1127020659870 1202155370528 1288023611280 1472026984320 1502694213160 1717364815040 1803233055792 2060837778048 2254041319740 2404310741056 2576047222560 3005388426320 3434729630080 3606466111584 4508082639480 4808621482112 5152094445120 6010776852640 7212932223168 9016165278960 10304188890240 12021553705280 14425864446336 18032330557920 24043107410560 36064661115840 72129322231680
• Sum of all divisors σ(n): 267458562093240
• Sum of proper divisors (its aliquot sum) s(n): 195329239861560
• 72129322231680 is an abundant number, because the sum of its proper divisors (195329239861560) is greater than itself. Its abundance is 123199917629880

Bases of 72129322231680

• Binary: 10000011001100111101010101000010010011110000000₂
• Hexadecimal: 0x4199EAA12780
• Base-36: PKFR44S5C

Squares and roots of 72129322231680

• 72129322231680 squared (72129322231680²) is 5202639125601526695595622400
• 72129322231680 cubed (72129322231680³) is 375262833945658395337574334715606597632000
• The square root of 72129322231680 is 8492898.3410659049
• The cube root of 72129322231680 is 41626.5690710263

Scales and comparisons

• 72,129,322,231,680 seconds is equal to 2,293,489 years, 17 weeks, 3 days, 10 hours, 8 minutes.
• To count from 1 to 72,129,322,231,680 would take you about five million, seven hundred thirty-three thousand, seven hundred twenty-three 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 72129322231680 cubic inches would be around 3468.9 feet tall.

Recreational maths with 72129322231680

• 72129322231680 backwards is 08613222392127
• 72129322231680 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 72129322231680's digits is 48
• More coming soon!