129029527377920

Names of 129029527377920

• Cardinal: 129029527377920 can be written as One hundred twenty-nine trillion, twenty-nine billion, five hundred twenty-seven million, three hundred seventy-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2902952737792 × 10¹⁴

Factors of 129029527377920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 199

Divisors of 129029527377920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 169 179 208 256 260 320 338 358 416 512 520 640 676 716 832 845 895 1024 1040 1280 1352 1432 1664 1690 1790 2048 2080 2197 2327 2560 2704 2864 3328 3380 3580 4160 4394 4654 5120 5408 5728 6656 6760 7160 8320 8788 9308 10240 10816 10985 11456 11635 13312 13520 14320 16640 17576 18616 21632 21970 22912 23270 26624 27040 28640 30251 32041 33280 35152 37232 43264 43940 45824 46540 54080 57280 60502 64082 66560 70304 74464 86528 87880 91648 93080 108160 114560 121004 128164 133120 140608 148928 151255 160205 173056 175760 183296 186160 216320 229120 242008 256328 281216 297856 302510 320410 346112 351520 366592 372320 393263 416533 432640 458240 484016 512656 562432 595712 605020 640820 703040 744640 786526 833066 865280 916480 968032 1025312 1124864 1191424 1210040 1281640 1406080 1489280 1573052 1666132 1730560 1832960 1936064 1966315 2050624 2082665 2249728 2382848 2420080 2563280 2812160 2978560 3146104 3332264 3872128 3932630 4101248 4165330 4499456 4765696 4840160 5126560 5414929 5624320 5735339 5957120 6292208 6664528 7744256 7865260 8202496 8330660 9680320 10253120 10829858 11248640 11470678 11914240 12584416 13329056 15488512 15730520 16404992 16661320 19360640 20506240 21659716 22497280 22941356 23828480 25168832 26658112 27074645 28676695 30977024 31461040 32809984 33322640 38721280 41012480 43319432 45882712 50337664 53316224 54149290 57353390 61954048 62922080 65619968 66645280 70394077 74559407 77442560 82024960 86638864 91765424 100675328 106632448 108298580 114706780 125844160 133290560 140788154 149118814 154885120 164049920 173277728 183530848 201350656 213264896 216597160 229413560 251688320 266581120 281576308 298237628 309770240 328099840 346555456 351970385 367061696 372797035 402701312 426529792 433194320 458827120 503376640 533162240 563152616 596475256 693110912 703940770 734123392 745594070 805402624 853059584 866388640 917654240 969272291 1006753280 1066324480 1126305232 1192950512 1386221824 1407881540 1468246784 1491188140 1732777280 1835308480 1938544582 2013506560 2132648960 2252610464 2385901024 2772443648 2815763080 2936493568 2982376280 3465554560 3670616960 3877089164 4027013120 4265297920 4505220928 4771802048 4846361455 5544887296 5631526160 5872987136 5964752560 6931109120 7341233920 7754178328 9010441856 9543604096 9692722910 11089774592 11263052320 11745974272 11929505120 12600539783 13862218240 14682467840 15508356656 18020883712 19087208192 19385445820 22526104640 23859010240 25201079566 27724436480 29364935680 31016713312 36041767424 38174416384 38770891640 45052209280 47718020480 50402159132 55448872960 58729871360 62033426624 63002698915 72083534848 76348832768 77541783280 90104418560 95436040960 100804318264 124066853248 126005397830 144167069696 152697665536 155083566560 180208837120 190872081920 201608636528 248133706496 252010795660 310167133120 360417674240 381744163840 403217273056 496267412992 504021591320 620334266240 720835348480 763488327680 806434546112 992534825984 1008043182640 1240668532480 1612869092224 1985069651968 2016086365280 2481337064960 3225738184448 4032172730560 4962674129920 6451476368896 8064345461120 9925348259840 12902952737792 16128690922240 25805905475584 32257381844480 64514763688960 129029527377920
• Sum of all divisors σ(n): 337267299096000
• Sum of proper divisors (its aliquot sum) s(n): 208237771718080
• 129029527377920 is an abundant number, because the sum of its proper divisors (208237771718080) is greater than itself. Its abundance is 79208244340160

Bases of 129029527377920

• Binary: 11101010101101000000111001001010001100000000000₂
• Hexadecimal: 0x755A07251800
• Base-36: 19QJCH5NNK

Squares and roots of 129029527377920

• 129029527377920 squared (129029527377920²) is 16648618935369406830503526400
• 129029527377920 cubed (129029527377920³) is 2148163432725804201665245412607905497088000
• The square root of 129029527377920 is 11359116.4875583523
• The cube root of 129029527377920 is 50531.5983505307

Scales and comparisons

• 129,029,527,377,920 seconds is equal to 4,102,739 years, 44 weeks, 3 days, 14 hours, 45 minutes, 20 seconds.
• To count from 1 to 129,029,527,377,920 would take you about ten million, two hundred fifty-six thousand, eight hundred forty-nine 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 129029527377920 cubic inches would be around 4211 feet tall.

Recreational maths with 129029527377920

• 129029527377920 backwards is 029773725920921
• 129029527377920 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 129029527377920's digits is 65
• More coming soon!