129850965720

Names of 129850965720

• Cardinal: 129850965720 can be written as One hundred twenty-nine billion, eight hundred fifty million, nine hundred sixty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2985096572 × 10¹¹

Factors of 129850965720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6120

Divisors of 129850965720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 37 40 42 45 56 60 63 70 72 74 84 90 105 111 120 126 140 148 168 180 185 210 222 239 252 259 280 296 315 333 360 370 420 444 478 504 518 555 630 666 717 740 777 840 888 956 1036 1110 1195 1260 1295 1332 1434 1480 1554 1665 1673 1912 2072 2151 2220 2331 2390 2520 2590 2664 2868 3108 3330 3346 3585 3885 4302 4440 4662 4780 5019 5180 5736 5827 6216 6660 6692 7170 7770 8365 8604 8843 9324 9560 10038 10360 10755 11654 11655 13320 13384 14340 15057 15540 16730 17208 17481 17686 18648 20076 21510 23308 23310 25095 26529 28680 29135 30114 31080 33460 34962 35372 40152 40789 43020 44215 46616 46620 50190 52443 53058 58270 60228 61901 66920 69924 70744 75285 79587 81578 86040 87405 88430 93240 100380 104886 106116 116540 120456 122367 123802 132645 139848 150570 159174 163156 174810 176860 185703 200760 203945 209772 212232 215599 233080 244734 247604 262215 265290 301140 309505 318348 326312 349620 353720 367101 371406 397935 407890 419544 431198 489468 495208 524430 530580 557109 602280 611835 619010 636696 646797 699240 734202 742812 795870 815780 862396 928515 978936 1048860 1061160 1077995 1114218 1223670 1238020 1293594 1392653 1468404 1485624 1509193 1591740 1631560 1724792 1835505 1857030 1940391 2097720 2155990 2228436 2447340 2476040 2587188 2785306 2785545 2936808 3018386 3183480 3233985 3671010 3714060 3880782 4177959 4311980 4456872 4527579 4894680 5174376 5570612 5571090 6036772 6467970 6963265 7342020 7428120 7545965 7761564 8355918 8623960 9055158 9701955 9748571 11141224 11142180 12073544 12533877 12935940 13582737 13926530 14684040 15091930 15523128 16711836 18110316 19403910 19497142 20889795 22284360 22637895 25067754 25871880 27165474 27853060 29245713 30183860 33423672 36220632 38807820 38994284 41779590 45275790 48742855 50135508 51528161 54330948 55706120 58491426 60367720 62669385 67913685 77615640 77988568 83559180 87737139 90551580 97485710 100271016 103056322 108661896 116982852 125338770 135827370 146228565 154584483 167118360 175474278 181103160 194971420 206112644 233965704 250677540 257640805 271654740 292457130 309168966 350948556 360697127 389942840 412225288 438685695 463753449 501355080 515281610 543309480 584914260 618337932 701897112 721394254 772922415 877371390 927506898 1030563220 1082091381 1169828520 1236675864 1442788508 1545844830 1754742780 1803485635 1855013796 2061126440 2164182762 2318767245 2885577016 3091689660 3246274143 3509485560 3606971270 3710027592 4328365524 4637534490 5410456905 6183379320 6492548286 7213942540 8656731048 9275068980 10820913810 12985096572 14427885080 16231370715 18550137960 21641827620 25970193144 32462741430 43283655240 64925482860 129850965720
• Sum of all divisors σ(n): 497496729600
• Sum of proper divisors (its aliquot sum) s(n): 367645763880
• 129850965720 is an abundant number, because the sum of its proper divisors (367645763880) is greater than itself. Its abundance is 237794798160

Bases of 129850965720

• Binary: 1111000111011101110000111111011011000₂
• Hexadecimal: 0x1E3BB87ED8
• Base-36: 1NNHWUE0

Squares and roots of 129850965720

• 129850965720 squared (129850965720²) is 16861273298416615118400
• 129850965720 cubed (129850965720³) is 2189452621068247220017792141248000
• The square root of 129850965720 is 360348.3949180293
• The cube root of 129850965720 is 5063.8604393529

Scales and comparisons

• 129,850,965,720 seconds is equal to 4,128 years, 44 weeks, 4 days, 16 hours, 42 minutes.
• To count from 1 to 129,850,965,720 would take you about eight thousand, two hundred fifty-seven 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 129850965720 cubic inches would be around 422 feet tall.

Recreational maths with 129850965720

• 129850965720 backwards is 027569058921
• The number of decimal digits it has is: 12
• The sum of 129850965720's digits is 54
• More coming soon!