129013464748

Names of 129013464748

• Cardinal: 129013464748 can be written as One hundred twenty-nine billion, thirteen million, four hundred sixty-four thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 1.29013464748 × 10¹¹

Factors of 129013464748

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3023

Divisors of 129013464748

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 23 28 46 49 53 92 98 106 161 196 197 212 322 371 394 644 742 788 1127 1219 1379 1484 2254 2438 2597 2741 2758 4508 4531 4876 5194 5482 5516 8533 9062 9653 10388 10441 10964 17066 18124 19187 19306 20882 31717 34132 38374 38612 41764 59731 63043 63434 73087 76748 119462 126086 126868 134309 145273 146174 222019 238924 240143 252172 268618 290546 292348 441301 444038 480286 511609 537236 539977 581092 882602 888076 960572 1016911 1023218 1079954 1681001 1765204 2033822 2046436 2159908 3089107 3341279 3362002 3779839 4067644 6178214 6682558 6724004 7118377 7559678 11767007 12356428 12419471 13365116 14236754 15119356 23388953 23534014 24838942 26458873 28473508 28618781 46777906 47068028 49677884 52917746 57237562 86936297 93555812 105835492 114475124 163722671 173872594 200331467 327445342 347745188 400662934 608554079 654890684 658231963 801325868 1217108158 1316463926 1402320269 2434216316 2632927852 2804640538 4607623741 5609281076 9215247482 18430494964 32253366187 64506732374 129013464748
• Sum of all divisors σ(n): 280744035264
• Sum of proper divisors (its aliquot sum) s(n): 151730570516
• 129013464748 is an abundant number, because the sum of its proper divisors (151730570516) is greater than itself. Its abundance is 22717105768

Bases of 129013464748

• Binary: 1111000001001110011010011111010101100₂
• Hexadecimal: 0x1E09CD3EAC
• Base-36: 1N9NAAI4

Squares and roots of 129013464748

• 129013464748 squared (129013464748²) is 16644474086283438703504
• 129013464748 cubed (129013464748³) is 2147361270779727929510732128076992
• The square root of 129013464748 is 359184.4439114813
• The cube root of 129013464748 is 5052.9501404033

Scales and comparisons

• 129,013,464,748 seconds is equal to 4,102 years, 11 weeks, 6 days, 9 hours, 32 minutes, 28 seconds.
• To count from 1 to 129,013,464,748 would take you about eight thousand, two hundred four 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 129013464748 cubic inches would be around 421.1 feet tall.

Recreational maths with 129013464748

• 129013464748 backwards is 847464310921
• 129013464748 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129013464748's digits is 49
• More coming soon!