129575142720

Names of 129575142720

• Cardinal: 129575142720 can be written as One hundred twenty-nine billion, five hundred seventy-five million, one hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2957514272 × 10¹¹

Factors of 129575142720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 178

Divisors of 129575142720

• Number of divisors d(n): 588
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 79 80 81 89 90 96 108 120 135 144 158 160 162 178 180 192 216 237 240 243 267 270 288 316 320 324 356 360 395 405 432 445 474 480 486 534 540 576 632 648 711 712 720 729 790 801 810 864 890 948 960 972 1068 1080 1185 1215 1264 1296 1335 1422 1424 1440 1458 1580 1602 1620 1728 1780 1896 1944 2133 2136 2160 2370 2403 2430 2528 2592 2670 2844 2848 2880 2916 3160 3204 3240 3555 3560 3645 3792 3888 4005 4266 4272 4320 4740 4806 4860 5056 5184 5340 5688 5696 5832 6241 6320 6399 6408 6480 7031 7110 7120 7209 7290 7584 7776 8010 8532 8544 8640 9480 9612 9720 10665 10680 11376 11664 12015 12482 12640 12798 12816 12960 14062 14220 14240 14418 14580 15168 15552 16020 17064 17088 18723 18960 19197 19224 19440 21093 21330 21360 21627 22752 23328 24030 24964 25280 25596 25632 25920 28124 28440 28480 28836 29160 31205 31995 32040 34128 35155 36045 37446 37920 38394 38448 38880 42186 42660 42720 43254 45504 46656 48060 49928 51192 51264 56169 56248 56880 57591 57672 58320 62410 63279 63990 64080 64881 68256 70310 72090 74892 75840 76788 76896 77760 84372 85320 85440 86508 93615 95985 96120 99856 102384 105465 108135 112338 112496 113760 115182 115344 116640 124820 126558 127980 128160 129762 136512 140620 144180 149784 153576 153792 168507 168744 170640 173016 187230 189837 191970 192240 199712 204768 210930 216270 224676 224992 227520 230364 230688 233280 249640 253116 255960 256320 259524 280845 281240 287955 288360 299568 307152 316395 324405 337014 337488 341280 346032 374460 379674 383940 384480 399424 409536 421860 432540 449352 449984 460728 461376 499280 505521 506232 511920 519048 555449 561690 562480 569511 575910 576720 599136 614304 632790 648810 674028 674976 682560 692064 748920 759348 767880 768960 842535 843720 865080 898704 921456 949185 998560 1011042 1012464 1023840 1038096 1110898 1123380 1124960 1139022 1151820 1153440 1198272 1228608 1265580 1297620 1348056 1349952 1384128 1497840 1516563 1518696 1535760 1666347 1685070 1687440 1708533 1730160 1797408 1842912 1898370 1997120 2022084 2024928 2047680 2076192 2221796 2246760 2249920 2278044 2303640 2306880 2527605 2531160 2595240 2696112 2777245 2847555 2995680 3033126 3037392 3071520 3332694 3370140 3374880 3417066 3460320 3594816 3685824 3796740 4044168 4049856 4152384 4443592 4493520 4549689 4556088 4607280 4999041 5055210 5062320 5125599 5190480 5392224 5554490 5695110 5991360 6066252 6074784 6143040 6665388 6740280 6749760 6834132 6920640 7582815 7593480 8088336 8331735 8542665 8887184 8987040 9099378 9112176 9214560 9998082 10110420 10124640 10251198 10380960 10784448 11108980 11390220 12132504 12149568 13330776 13480560 13668264 14997123 15165630 15186960 16176672 16663470 17085330 17774368 17974080 18198756 18224352 18429120 19996164 20220840 20249280 20502396 20761920 22217960 22748445 22780440 24265008 24995205 25627995 26661552 26961120 27336528 29994246 30331260 30373920 32353344 33326940 34170660 35548736 36397512 36448704 39992328 40441680 41004792 44435920 44991369 45496890 45560880 48530016 49990410 51255990 53323104 53922240 54673056 59988492 60662520 60747840 66653880 68341320 72795024 74985615 79984656 80883360 82009584 88871840 89982738 90993780 91121760 97060032 99980820 102511980 106646208 109346112 119976984 121325040 133307760 134974107 136682640 145590048 149971230 159969312 161766720 164019168 177743680 179965476 181987560 182243520 199961640 205023960 224956845 239953968 242650080 266615520 269948214 273365280 291180096 299942460 319938624 328038336 359930952 363975120 399923280 404922321 410047920 449913690 479907936 485300160 533231040 539896428 546730560 599884920 674870535 719861904 727950240 799846560 809844642 820095840 899827380 959815872 1079792856 1199769840 1349741070 1439723808 1455900480 1599693120 1619689284 1640191680 1799654760 2024611605 2159585712 2399539680 2699482140 2879447616 3239378568 3599309520 4049223210 4319171424 4799079360 5398964280 6478757136 7198619040 8098446420 8638342848 10797928560 12957514272 14397238080 16196892840 21595857120 25915028544 32393785680 43191714240 64787571360 129575142720
• Sum of all divisors σ(n): 473809138740
• Sum of proper divisors (its aliquot sum) s(n): 344233996020
• 129575142720 is an abundant number, because the sum of its proper divisors (344233996020) is greater than itself. Its abundance is 214658853300

Bases of 129575142720

• Binary: 1111000101011010001111100010101000000₂
• Hexadecimal: 0x1E2B47C540
• Base-36: 1NIXP000

Squares and roots of 129575142720

• 129575142720 squared (129575142720²) is 16789717610908368998400
• 129575142720 cubed (129575142720³) is 2175530055661949341810103451648000
• The square root of 129575142720 is 359965.4743444155
• The cube root of 129575142720 is 5060.2724303529

Scales and comparisons

• 129,575,142,720 seconds is equal to 4,120 years, 4 weeks, 4 days, 7 hours, 12 minutes.
• To count from 1 to 129,575,142,720 would take you about eight thousand, two hundred forty 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 129575142720 cubic inches would be around 421.7 feet tall.

Recreational maths with 129575142720

• 129575142720 backwards is 027241575921
• 129575142720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129575142720's digits is 45
• More coming soon!