129476018672

Names of 129476018672

• Cardinal: 129476018672 can be written as One hundred twenty-nine billion, four hundred seventy-six million, eighteen thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.29476018672 × 10¹¹

Factors of 129476018672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 70

Divisors of 129476018672

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 26 28 37 44 49 52 56 74 77 88 91 98 104 112 143 148 154 169 176 182 196 208 259 286 296 308 338 343 364 392 407 481 518 539 572 592 616 637 676 686 728 784 814 962 1001 1036 1078 1144 1183 1232 1274 1352 1372 1456 1628 1813 1859 1924 2002 2072 2156 2288 2366 2401 2548 2704 2744 2849 3256 3367 3626 3718 3773 3848 4004 4144 4312 4459 4732 4802 5096 5291 5488 5698 6253 6512 6734 7007 7252 7436 7546 7696 8008 8281 8624 8918 9464 9604 10192 10582 11396 12506 12691 13013 13468 14014 14504 14872 15092 16016 16562 16807 17836 18928 19208 19943 21164 22792 23569 25012 25382 26026 26411 26936 28028 29008 29744 30184 31213 33124 33614 35672 37037 38416 39886 42328 43771 45584 47138 49049 50024 50764 52052 52822 53872 56056 57967 60368 62426 66248 67228 68783 71344 74074 79772 84656 87542 88837 91091 94276 98098 100048 101528 104104 105644 112112 115934 117649 124852 132496 134456 137566 139601 148148 159544 164983 175084 177674 182182 184877 188552 196196 203056 208208 211288 218491 231868 235298 249704 259259 268912 275132 279202 296296 306397 319088 329966 343343 350168 355348 364364 369754 377104 392392 405769 422576 436982 463736 470596 481481 499408 518518 550264 558404 592592 612794 621859 637637 659932 686686 700336 710696 728728 739508 784784 811538 873964 927472 941192 962962 977207 1037036 1100528 1116808 1154881 1225588 1243718 1275274 1294139 1319864 1373372 1421392 1457456 1479016 1529437 1623076 1747928 1814813 1882384 1925924 1954414 2074072 2144779 2233616 2309762 2403401 2451176 2487436 2550548 2588278 2639728 2746744 2840383 2958032 3058874 3246152 3370367 3495856 3629626 3851848 3908828 4148144 4289558 4353013 4463459 4619524 4806802 4902352 4974872 5101096 5176556 5493488 5680766 6117748 6492304 6740734 6840449 7259252 7703696 7817656 8084167 8579116 8706026 8926918 9239048 9613604 9949744 10202192 10353112 11361532 12235496 12703691 13481468 13680898 14518504 15013453 15635312 16168334 16823807 17158232 17412052 17853836 18478096 19227208 19882681 20706224 22723064 23592569 24470992 25407382 26962936 27361796 29037008 30026906 31244213 32336668 33647614 34316464 34824104 35707672 38454416 39765362 45446128 47185138 47883143 50814764 53925872 54723592 56589169 60053812 62488426 64673336 67295228 69648208 71415344 79530724 88925837 94370276 95766286 101629528 105094171 109447184 113178338 120107624 124976852 129346672 134590456 159061448 165147983 177851674 188740552 191532572 203259056 210188342 218709491 226356676 240215248 249953704 269180912 318122896 330295966 355703348 377481104 383065144 420376684 437418982 452713352 499907408 622480859 660591932 711406696 735659197 766130288 840753368 874837964 905426704 1156035881 1244961718 1321183864 1422813392 1471318394 1681506736 1749675928 2312071762 2489923436 2642367728 2942636788 3499351856 4624143524 4979846872 5885273576 8092251167 9248287048 9959693744 11770547152 16184502334 18496574096 32369004668 64738009336 129476018672
• Sum of all divisors σ(n): 355068486216
• Sum of proper divisors (its aliquot sum) s(n): 225592467544
• 129476018672 is an abundant number, because the sum of its proper divisors (225592467544) is greater than itself. Its abundance is 96116448872

Bases of 129476018672

• Binary: 1111000100101010111110100000111110000₂
• Hexadecimal: 0x1E255F41F0
• Base-36: 1NHAOFE8

Squares and roots of 129476018672

• 129476018672 squared (129476018672²) is 16764039411152092643584
• 129476018672 cubed (129476018672³) is 2170541079816472232152555825000448
• The square root of 129476018672 is 359827.7625086759
• The cube root of 129476018672 is 5058.9817438921

Scales and comparisons

• 129,476,018,672 seconds is equal to 4,116 years, 48 weeks, 5 days, 44 minutes, 32 seconds.
• To count from 1 to 129,476,018,672 would take you about eight thousand, two hundred thirty-three 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 129476018672 cubic inches would be around 421.6 feet tall.

Recreational maths with 129476018672

• 129476018672 backwards is 276810674921
• The number of decimal digits it has is: 12
• The sum of 129476018672's digits is 53
• More coming soon!