129938781600

Names of 129938781600

• Cardinal: 129938781600 can be written as One hundred twenty-nine billion, nine hundred thirty-eight million, seven hundred eighty-one thousand, six hundred.

Scientific notation

• Scientific notation: 1.299387816 × 10¹¹

Factors of 129938781600

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8797

Divisors of 129938781600

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 31 32 36 40 45 48 50 60 62 67 72 75 80 90 93 96 100 120 124 134 144 150 155 160 180 186 200 201 225 240 248 268 279 288 300 310 335 360 372 400 402 450 465 480 496 536 558 600 603 620 670 720 744 775 800 804 900 930 992 1005 1072 1116 1200 1206 1240 1340 1395 1440 1488 1550 1608 1675 1800 1860 2010 2077 2144 2232 2325 2400 2412 2480 2680 2790 2976 3015 3100 3216 3350 3600 3720 4020 4154 4464 4650 4824 4960 5025 5360 5580 6030 6200 6231 6432 6700 6975 7200 7440 8040 8308 8689 8928 9300 9648 10050 10385 10720 11160 12060 12400 12462 13400 13950 14880 15075 16080 16616 17378 18600 18693 19296 20100 20770 22320 24120 24800 24924 26067 26800 27900 30150 31155 32160 33232 34756 37200 37386 40200 41540 43445 44640 48240 49848 51925 52134 53600 55800 60300 62310 66464 69512 74400 74772 78201 80400 83080 86890 93465 96480 99696 103850 104268 111600 120600 124620 130335 139024 149544 155775 156402 160800 166160 173780 186930 199392 207700 208536 217225 223200 241200 249240 260670 269359 278048 299088 311550 312804 332320 347560 373860 391005 415400 417072 434450 467325 482400 498480 521340 538718 582163 598176 623100 625608 651675 695120 747720 782010 808077 830800 834144 868900 934650 996960 1042680 1077436 1164326 1246200 1251216 1303350 1346795 1390240 1495440 1564020 1616154 1661600 1737800 1746489 1869300 1955025 2085360 2154872 2328652 2424231 2492400 2502432 2606700 2693590 2910815 2990880 3128040 3232308 3475600 3492978 3738600 3910050 4040385 4170720 4309744 4657304 4848462 4984800 5213400 5239467 5387180 5821630 6256080 6464616 6733975 6951200 6985956 7477200 7820100 8080770 8619488 8732445 9314608 9696924 10426800 10478934 10774360 11643260 12121155 12512160 12929232 13467950 13971912 14554075 14954400 15640200 16161540 17464890 18047053 18629216 19393848 20201925 20853600 20957868 21548720 23286520 24242310 25858464 26197335 26935900 27943824 29108150 31280400 32323080 34929780 36094106 38787696 40403850 41915736 43097440 43662225 46573040 48484620 52394670 53871800 54141159 55887648 58216300 60605775 62560800 64646160 69859560 72188212 77575392 80807700 83831472 87324450 90235265 93146080 96969240 104789340 107743600 108282318 116432600 121211550 129292320 130986675 139719120 144376424 161615400 162423477 167662944 174648900 180470530 193938480 209578680 215487200 216564636 232865200 242423100 261973350 270705795 279438240 288752848 323230800 324846954 349297800 360941060 387876960 419157360 433129272 451176325 465730400 484846200 523946700 541411590 577505696 646461600 649693908 698595600 721882120 812117385 838314720 866258544 902352650 969692400 1047893400 1082823180 1299387816 1353528975 1397191200 1443764240 1624234770 1732517088 1804705300 1939384800 2095786800 2165646360 2598775632 2707057950 2887528480 3248469540 3609410600 4060586925 4191573600 4331292720 5197551264 5414115900 6496939080 7218821200 8121173850 8662585440 10828231800 12993878160 14437642400 16242347700 21656463600 25987756320 32484695400 43312927200 64969390800 129938781600
• Sum of all divisors σ(n): 480091772160
• Sum of proper divisors (its aliquot sum) s(n): 350152990560
• 129938781600 is an abundant number, because the sum of its proper divisors (350152990560) is greater than itself. Its abundance is 220214208960

Bases of 129938781600

• Binary: 1111001000000111101000111010110100000₂
• Hexadecimal: 0x1E40F475A0
• Base-36: 1NOY71K0

Squares and roots of 129938781600

• 129938781600 squared (129938781600²) is 16884086963692498560000
• 129938781600 cubed (129938781600³) is 2193897688490646699946154496000000
• The square root of 129938781600 is 360470.2229033627
• The cube root of 129938781600 is 5065.0017147917

Scales and comparisons

• 129,938,781,600 seconds is equal to 4,131 years, 33 weeks, 6 days, 2 hours.
• To count from 1 to 129,938,781,600 would take you about eight thousand, two hundred sixty-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 129938781600 cubic inches would be around 422.1 feet tall.

Recreational maths with 129938781600

• 129938781600 backwards is 006187839921
• The number of decimal digits it has is: 12
• The sum of 129938781600's digits is 54
• More coming soon!