129816956640

Names of 129816956640

• Cardinal: 129816956640 can be written as One hundred twenty-nine billion, eight hundred sixteen million, nine hundred fifty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2981695664 × 10¹¹

Factors of 129816956640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2878

Divisors of 129816956640

• 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 71 80 84 96 105 112 120 140 142 160 168 210 211 213 224 240 280 284 336 355 420 422 426 480 497 560 568 633 672 710 840 844 852 994 1055 1065 1120 1136 1266 1420 1477 1491 1680 1688 1704 1988 2110 2130 2272 2485 2532 2579 2840 2954 2982 3165 3360 3376 3408 3976 4220 4260 4431 4970 5064 5158 5680 5908 5964 6330 6752 6816 7385 7455 7737 7952 8440 8520 8862 9940 10128 10316 11360 11816 11928 12660 12895 14770 14910 14981 15474 15904 16880 17040 17724 18053 19880 20256 20632 22155 23632 23856 25320 25790 29540 29820 29962 30948 33760 34080 35448 36106 38685 39760 41264 44310 44943 47264 47712 50640 51580 54159 59080 59640 59924 61896 70896 72212 74905 77370 79520 82528 88620 89886 90265 101280 103160 104867 108318 118160 119280 119848 123792 141792 144424 149810 154740 177240 179772 180530 183109 206320 209734 216636 224715 236320 238560 239696 247584 270795 288848 299620 309480 314601 354480 359544 361060 366218 412640 419468 433272 449430 479392 524335 541590 544169 549327 577696 599240 618960 629202 708960 719088 722120 732436 838936 866544 898860 915545 1048670 1083180 1088338 1098654 1198480 1237920 1258404 1281763 1438176 1444240 1464872 1573005 1632507 1677872 1733088 1797720 1831090 2097340 2166360 2176676 2197308 2396960 2516808 2563526 2720845 2746635 2888480 2929744 3146010 3265014 3355744 3595440 3662180 3809183 3845289 4194680 4332720 4353352 4394616 5033616 5127052 5441690 5493270 5859488 6292020 6408815 6530028 7190880 7324360 7618366 7690578 8162535 8389360 8665440 8706704 8789232 10067232 10254104 10883380 10986540 11427549 12584040 12817630 13060056 14648720 15236732 15381156 16325070 16778720 17413408 17578464 19045915 19226445 20508208 21766760 21973080 22855098 25168080 25635260 26120112 29297440 30473464 30762312 32650140 38091830 38452890 38635999 41016416 43533520 43946160 45710196 50336160 51270520 52240224 57137745 60946928 61524624 65300280 76183660 76905780 77271998 87067040 87892320 91420392 102541040 114275490 115907997 121893856 123049248 130600560 152367320 153811560 154543996 182840784 193179995 205082080 228550980 231815994 261201120 270451993 304734640 307623120 309087992 365681568 386359990 457101960 463631988 540903986 579539985 609469280 615246240 618175984 772719980 811355979 914203920 927263976 1081807972 1159079970 1236351968 1352259965 1545439960 1622711958 1828407840 1854527952 2163615944 2318159940 2704519930 3090879920 3245423916 3709055904 4056779895 4327231888 4636319880 5409039860 6181759840 6490847832 8113559790 8654463776 9272639760 10818079720 12981695664 16227119580 18545279520 21636159440 25963391328 32454239160 43272318880 64908478320 129816956640
• Sum of all divisors σ(n): 476354027520
• Sum of proper divisors (its aliquot sum) s(n): 346537070880
• 129816956640 is an abundant number, because the sum of its proper divisors (346537070880) is greater than itself. Its abundance is 216720114240

Bases of 129816956640

• Binary: 1111000111001101100011000111011100000₂
• Hexadecimal: 0x1E39B18EE0
• Base-36: 1NMXNWTC

Squares and roots of 129816956640

• 129816956640 squared (129816956640²) is 16852442231271640089600
• 129816956640 cubed (129816956640³) is 2187732762415095353573288914944000
• The square root of 129816956640 is 360301.2026624391
• The cube root of 129816956640 is 5063.4183112791

Scales and comparisons

• 129,816,956,640 seconds is equal to 4,127 years, 40 weeks, 3 days, 1 hour, 44 minutes.
• To count from 1 to 129,816,956,640 would take you about eight thousand, two hundred fifty-five 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 129816956640 cubic inches would be around 422 feet tall.

Recreational maths with 129816956640

• 129816956640 backwards is 046659618921
• The number of decimal digits it has is: 12
• The sum of 129816956640's digits is 57
• More coming soon!