129839457849920

Names of 129839457849920

• Cardinal: 129839457849920 can be written as One hundred twenty-nine trillion, eight hundred thirty-nine billion, four hundred fifty-seven million, eight hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2983945784992 × 10¹⁴

Factors of 129839457849920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 97

Divisors of 129839457849920

• Number of divisors d(n): 1680
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 29 32 35 40 41 49 52 56 58 64 65 70 80 82 91 98 104 112 116 130 140 145 160 164 169 182 196 203 205 208 224 232 245 260 280 287 290 320 328 338 343 364 377 392 406 410 416 448 455 464 490 520 533 560 574 580 637 656 676 686 728 754 784 812 820 832 841 845 910 928 980 1015 1040 1066 1120 1148 1160 1183 1189 1274 1312 1352 1372 1421 1435 1456 1508 1568 1624 1640 1682 1690 1715 1820 1856 1885 1960 2009 2030 2080 2132 2240 2296 2320 2366 2378 2401 2548 2624 2639 2665 2704 2744 2842 2870 2912 3016 3136 3185 3248 3280 3364 3380 3430 3640 3731 3770 3920 4018 4060 4160 4205 4264 4459 4592 4640 4732 4756 4802 4901 5096 5278 5330 5408 5488 5684 5740 5824 5887 5915 5945 6032 6370 6496 6560 6728 6760 6860 6929 7105 7280 7462 7540 7840 8036 8120 8281 8323 8410 8528 8918 9184 9280 9464 9512 9604 9802 9947 10045 10192 10556 10660 10816 10933 10976 11368 11480 11774 11830 11890 12005 12064 12740 12992 13120 13195 13456 13520 13720 13858 14063 14210 14560 14924 15080 15457 15680 16072 16240 16562 16646 16820 17056 17836 18368 18473 18655 18928 19024 19208 19604 19894 20090 20384 21112 21320 21866 21952 22295 22736 22960 23548 23660 23780 24010 24128 24389 24505 25480 26117 26390 26912 27040 27440 27716 28126 28420 29120 29435 29848 30160 30914 31213 32144 32480 33124 33292 33640 34112 34307 34481 34645 35672 36946 37310 37856 38048 38416 39208 39788 40180 40768 41209 41405 41615 42224 42640 43732 44590 45472 45920 47096 47320 47560 48020 48503 48778 49010 49735 50960 52234 52780 53824 54080 54665 54880 55432 56252 56840 57967 58261 58870 59696 60320 61828 62426 64288 64960 66248 66584 67280 68614 68962 69290 69629 70315 71344 73892 74620 75712 76096 76531 76832 77285 78416 79576 80360 82418 82810 83230 84448 85280 87464 89180 90944 91840 92365 94192 94640 95120 96040 97006 97556 98020 98441 99470 101920 104468 105560 108199 109330 109760 110864 112504 113680 115934 116522 117740 119392 120640 121945 123656 124852 128576 129311 130585 132496 133168 134560 137228 137924 138580 139258 140630 142129 142688 147784 149240 153062 153664 154570 156065 156832 159152 160720 164836 165620 166460 168896 170560 170723 171535 172405 174928 178360 182819 184730 188384 189280 190240 192080 194012 195112 196040 196882 198940 200941 203840 206045 208936 211120 216398 218660 221728 225008 227360 231868 233044 235480 238784 240149 241367 242515 243890 247312 249704 258622 261170 264992 266336 269120 274456 275848 277160 278516 281260 284258 285376 288463 289835 291305 295568 298480 306124 309140 312130 313664 317057 318304 321440 329672 331240 332920 339521 341446 343070 344810 348145 349856 356720 365638 369460 376768 378560 380480 382655 384160 388024 390224 392080 393764 397880 401882 405769 407827 412090 417872 422240 432796 437320 443456 448253 450016 454720 463736 466088 470960 480298 482734 485030 487780 492205 494624 499408 517244 522340 529984 532672 535717 540995 548912 551696 554320 557032 562520 568516 576926 579670 582610 591136 596960 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77193494560 79170401128 79950405080 82805776690 86100436240 89175451820 90480458432 91371891520 94635173360 96035101960 98963001410 101914802080 109200553280 109754402240 111930567112 113100573040 115928087366 121800617120 124845632548 127920648128 132489242704 139913208890 142680722912 153656163136 154386989120 156057040685 158340802256 159900810160 165611553380 172200872480 178350903640 189270346720 192070203920 197926002820 203829604160 223861134224 226201146080 231856174732 243601234240 249691265096 264978485408 279826417780 285361445824 289820218415 312114081370 316681604512 319801620320 331223106760 344401744960 356701807280 378540693440 384140407840 395852005640 405748305781 447722268448 452402292160 463712349464 499382530192 529956970816 559652835560 579640436830 624228162740 633363209024 639603240640 662446213520 713403614560 768280815680 791704011280 811496611562 895444536896 927424698928 998765060384 1119305671120 1159280873660 1248456325480 1324892427040 1426807229120 1583408022560 1622993223124 1854849397856 1997530120768 2028741528905 2238611342240 2318561747320 2496912650960 2649784854080 3166816045120 3245986446248 3709698795712 4057483057810 4477222684480 4637123494640 4993825301920 6491972892496 8114966115620 9274246989280 9987650603840 12983945784992 16229932231240 18548493978560 25967891569984 32459864462480 64919728924960 129839457849920
• Sum of all divisors σ(n): 414382881946320
• Sum of proper divisors (its aliquot sum) s(n): 284543424096400
• 129839457849920 is an abundant number, because the sum of its proper divisors (284543424096400) is greater than itself. Its abundance is 154703966246480

Bases of 129839457849920

• Binary: 11101100001011010011010110000110101001001000000₂
• Hexadecimal: 0x76169AC35240
• Base-36: 1A0VF8UJI8

Squares and roots of 129839457849920

• 129839457849920 squared (129839457849920²) is 16858284814761152309244006400
• 129839457849920 cubed (129839457849920³) is 2188870560628127030288336442153190719488000
• The square root of 129839457849920 is 11394711.8370724935
• The cube root of 129839457849920 is 50637.1084228911

Scales and comparisons

• 129,839,457,849,920 seconds is equal to 4,128,493 years, 7 weeks, 1 day, 21 hours, 25 minutes, 20 seconds.
• To count from 1 to 129,839,457,849,920 would take you about ten million, three hundred twenty-one thousand, two hundred thirty-two 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 129839457849920 cubic inches would be around 4219.8 feet tall.

Recreational maths with 129839457849920

• 129839457849920 backwards is 029948754938921
• 129839457849920 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 129839457849920's digits is 80
• More coming soon!