129736410720

Names of 129736410720

• Cardinal: 129736410720 can be written as One hundred twenty-nine billion, seven hundred thirty-six million, four hundred ten thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2973641072 × 10¹¹

Factors of 129736410720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1502

Divisors of 129736410720

• Number of divisors d(n): 384
• 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 56 60 70 80 84 89 96 105 112 120 140 160 168 178 210 224 240 267 280 336 356 420 445 467 480 534 560 623 672 712 840 890 929 934 1068 1120 1246 1335 1401 1424 1680 1780 1858 1868 1869 2136 2335 2492 2670 2787 2802 2848 3115 3269 3360 3560 3716 3736 3738 4272 4645 4670 4984 5340 5574 5604 6230 6503 6538 7005 7120 7432 7472 7476 8544 9290 9340 9345 9807 9968 10680 11148 11208 12460 13006 13076 13935 14010 14240 14864 14944 14952 16345 18580 18680 18690 19509 19614 19936 21360 22296 22416 24920 26012 26152 27870 28020 29728 29904 32515 32690 37160 37360 37380 39018 39228 41563 42720 44592 44832 49035 49840 52024 52304 55740 56040 59808 65030 65380 74320 74720 74760 78036 78456 82681 83126 89184 97545 98070 99680 104048 104608 111480 112080 124689 130060 130760 148640 149520 156072 156912 165362 166252 195090 196140 207815 208096 222960 224160 248043 249378 260120 261520 290941 299040 312144 313824 330724 332504 390180 392280 413405 415630 433843 445920 496086 498756 520240 523040 578767 581882 623445 624288 661448 665008 780360 784560 826810 831260 867686 872823 992172 997512 1040480 1157534 1163764 1240215 1246890 1301529 1322896 1330016 1454705 1560720 1569120 1653620 1662520 1735372 1736301 1745646 1984344 1995024 2169215 2315068 2327528 2480430 2493780 2603058 2645792 2893835 2909410 3036901 3121440 3307240 3325040 3470744 3472602 3491292 3968688 3990048 4338430 4364115 4630136 4655056 4960860 4987560 5206116 5787670 5818820 6073802 6507645 6614480 6650080 6941488 6945204 6982584 7937376 8676860 8681505 8728230 9110703 9260272 9310112 9921720 9975120 10412232 11575340 11637640 12147604 13015290 13228960 13882976 13890408 13965168 15184505 17353720 17363010 17456460 18221406 18520544 19843440 19950240 20824464 23150680 23275280 24295208 26030580 27780816 27930336 30369010 34707440 34726020 34912920 36442812 38612027 39686880 41648928 45553515 46301360 46550560 48590416 52061160 55561632 60738020 69414880 69452040 69825840 72885624 77224054 91107030 92602720 97180832 104122320 115836081 121476040 138904080 139651680 145771248 154448108 182214060 193060135 208244640 231672162 242952080 270284189 277808160 291542496 308896216 364428120 386120270 463344324 485904160 540568378 579180405 617792432 728856240 772240540 810852567 926688648 1081136756 1158360810 1235584864 1351420945 1457712480 1544481080 1621705134 1853377296 2162273512 2316721620 2702841890 3088962160 3243410268 3706754592 4054262835 4324547024 4633443240 5405683780 6177924320 6486820536 8108525670 8649094048 9266886480 10811367560 12973641072 16217051340 18533772960 21622735120 25947282144 32434102680 43245470240 64868205360 129736410720
• Sum of all divisors σ(n): 473819673600
• Sum of proper divisors (its aliquot sum) s(n): 344083262880
• 129736410720 is an abundant number, because the sum of its proper divisors (344083262880) is greater than itself. Its abundance is 214346852160

Bases of 129736410720

• Binary: 1111000110100111001001000011001100000₂
• Hexadecimal: 0x1E34E48660
• Base-36: 1NLLPJ6O

Squares and roots of 129736410720

• 129736410720 squared (129736410720²) is 16831536266508530918400
• 129736410720 cubed (129736410720³) is 2183663102120326147613361205248000
• The square root of 129736410720 is 360189.4095056099
• The cube root of 129736410720 is 5062.3708824621

Scales and comparisons

• 129,736,410,720 seconds is equal to 4,125 years, 11 weeks, 1 day, 19 hours, 52 minutes.
• To count from 1 to 129,736,410,720 would take you about eight thousand, two hundred fifty 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 129736410720 cubic inches would be around 421.9 feet tall.

Recreational maths with 129736410720

• 129736410720 backwards is 027014637921
• 129736410720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129736410720's digits is 42
• More coming soon!