129978397897216

Names of 129978397897216

• Cardinal: 129978397897216 can be written as One hundred twenty-nine trillion, nine hundred seventy-eight billion, three hundred ninety-seven million, eight hundred ninety-seven thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.29978397897216 × 10¹⁴

Factors of 129978397897216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 249

Divisors of 129978397897216

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 73 88 128 146 163 176 256 292 326 352 512 584 652 704 803 1168 1304 1408 1606 1793 2336 2608 2816 3212 3586 4672 5216 5329 5632 6424 7172 9344 10432 10658 11899 12848 14344 18688 20864 21316 23798 25696 26569 28688 37376 41728 42632 47596 51392 53138 57376 58619 83456 85264 95192 102784 106276 114752 117238 130889 170528 190384 205568 212552 229504 234476 261778 292259 341056 380768 411136 425104 459008 468952 523556 584518 682112 761536 850208 868627 918016 937904 1047112 1169036 1364224 1523072 1700416 1737254 1875808 1939537 2094224 2338072 2728448 3046144 3400832 3474508 3751616 3879074 4188448 4330747 4676144 6092288 6801664 6949016 7503232 7758148 8376896 8661494 9352288 9554897 13603328 13898032 15006464 15516296 16753792 17322988 18704576 19109794 21334907 27796064 30012928 31032592 33507584 34645976 37409152 38219588 42669814 47638217 55592128 62065184 67015168 69291952 74818304 76439176 85339628 95276434 111184256 124130368 138583904 141586201 149636608 152878352 170679256 190552868 222368512 248260736 277167808 283172402 305756704 316144531 341358512 381105736 444737024 496521472 554335616 566344804 611513408 632289062 682717024 762211472 993042944 1108671232 1132689608 1223026816 1264578124 1365434048 1524422944 1557448211 2217342464 2265379216 2446053632 2529156248 2730868096 3048845888 3114896422 3477589841 4530758432 4892107264 5058312496 5461736192 6097691776 6229792844 6955179682 9061516864 10116624992 10923472384 12195383552 12459585688 13910359364 18123033728 20233249984 23078550763 24390767104 24919171376 27820718728 36246067456 40466499968 46157101526 49838342752 55641437456 72492134912 80932999936 92314203052 99676685504 111282874912 161865999872 184628406104 199353371008 222565749824 253864058393 369256812208 398706742016 445131499648 507728116786 738513624416 797413484032 890262999296 1015456233572 1477027248832 1780525998592 2030912467144 2954054497664 4061824934288 5908108995328 8123649868576 11816217990656 16247299737152 32494599474304 64989198948608 129978397897216
• Sum of all divisors σ(n): 289019569465440
• Sum of proper divisors (its aliquot sum) s(n): 159041171568224
• 129978397897216 is an abundant number, because the sum of its proper divisors (159041171568224) is greater than itself. Its abundance is 29062773671008

Bases of 129978397897216

• Binary: 11101100011011011110100001111000011001000000000₂
• Hexadecimal: 0x7636F43C3200
• Base-36: 1A2N925Y4G

Squares and roots of 129978397897216

• 129978397897216 squared (129978397897216²) is 16894383919927004690500550656
• 129978397897216 cubed (129978397897216³) is 2195904955372599989783970142276320489373696
• The square root of 129978397897216 is 11400806.8967602465
• The cube root of 129978397897216 is 50655.1640902427

Scales and comparisons

• 129,978,397,897,216 seconds is equal to 4,132,911 years, 1 day, 7 hours, 16 seconds.
• To count from 1 to 129,978,397,897,216 would take you about ten million, three hundred thirty-two thousand, two hundred seventy-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 129978397897216 cubic inches would be around 4221.3 feet tall.

Recreational maths with 129978397897216

• 129978397897216 backwards is 612798793879921
• 129978397897216 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 129978397897216's digits is 88
• More coming soon!