129969798400

Names of 129969798400

• Cardinal: 129969798400 can be written as One hundred twenty-nine billion, nine hundred sixty-nine million, seven hundred ninety-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.299697984 × 10¹¹

Factors of 129969798400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2996

Divisors of 129969798400

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 23 25 26 32 40 46 50 52 64 65 80 92 100 104 115 128 130 160 184 200 208 230 256 260 299 320 325 368 400 416 460 520 529 575 598 640 650 736 800 832 920 1040 1058 1150 1196 1280 1300 1472 1495 1600 1664 1840 2080 2116 2300 2392 2600 2645 2944 2953 2990 3200 3328 3680 4160 4232 4600 4784 5200 5290 5888 5906 5980 6400 6877 7360 7475 8320 8464 9200 9568 10400 10580 11812 11960 13225 13754 14720 14765 14950 16640 16928 18400 19136 20800 21160 23624 23920 26450 27508 29440 29530 29900 33856 34385 36800 38272 38389 41600 42320 47248 47840 52900 55016 59060 59800 67712 67919 68770 73600 73825 76544 76778 83200 84640 94496 95680 105800 110032 118120 119600 135424 135838 137540 147200 147650 153556 169280 171925 188992 191360 191945 211600 220064 236240 239200 271676 275080 295300 307112 338560 339595 343850 377984 382720 383890 423200 440128 472480 478400 543352 550160 590600 614224 677120 679190 687700 755968 767780 846400 880256 882947 944960 956800 959725 1086704 1100320 1181200 1228448 1358380 1375400 1535560 1562137 1692800 1697975 1760512 1765894 1889920 1913600 1919450 2173408 2200640 2362400 2456896 2716760 2750800 3071120 3124274 3385600 3395950 3531788 3779840 3838900 4346816 4401280 4414735 4724800 4913792 5433520 5501600 6142240 6248548 6791900 7063576 7677800 7810685 8693632 8802560 8829470 9449600 9827584 10867040 11003200 12284480 12497096 13583800 14127152 15355600 15621370 17387264 17658940 18899200 20307781 21734080 22006400 22073675 24568960 24994192 27167600 28254304 30711200 31242740 35317880 39053425 40615562 43468160 44012800 44147350 49137920 49988384 54335200 56508608 61422400 62485480 70635760 78106850 81231124 86936320 88294700 99976768 101538905 108670400 113017216 122844800 124970960 141271520 156213700 162462248 176589400 199953536 203077810 217340800 226034432 245689600 249941920 282543040 312427400 324924496 353178800 399907072 406155620 434681600 499883840 507694525 565086080 624854800 649848992 706357600 812311240 999767680 1015389050 1130172160 1249709600 1299697984 1412715200 1624622480 1999535360 2030778100 2499419200 2599395968 2825430400 3249244960 4061556200 4998838400 5198791936 5650860800 6498489920 8123112400 9997676800 12996979840 16246224800 25993959680 32492449600 64984899200 129969798400
• Sum of all divisors σ(n): 362281578988
• Sum of proper divisors (its aliquot sum) s(n): 232311780588
• 129969798400 is an abundant number, because the sum of its proper divisors (232311780588) is greater than itself. Its abundance is 102341982188

Bases of 129969798400

• Binary: 1111001000010110011011011110100000000₂
• Hexadecimal: 0x1E42CDBD00
• Base-36: 1NPGNU9S

Squares and roots of 129969798400

• 129969798400 squared (129969798400²) is 16892148496136642560000
• 129969798400 cubed (129969798400³) is 2195469134585742612376059904000000
• The square root of 129969798400 is 360513.2430299889
• The cube root of 129969798400 is 5065.4046933965

Scales and comparisons

• 129,969,798,400 seconds is equal to 4,132 years, 33 weeks, 1 day, 1 hour, 46 minutes, 40 seconds.
• To count from 1 to 129,969,798,400 would take you about eight thousand, two hundred sixty-five 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 129969798400 cubic inches would be around 422.1 feet tall.

Recreational maths with 129969798400

• 129969798400 backwards is 004897969921
• 129969798400 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129969798400's digits is 64
• More coming soon!