129117577472

Names of 129117577472

• Cardinal: 129117577472 can be written as One hundred twenty-nine billion, one hundred seventeen million, five hundred seventy-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.29117577472 × 10¹¹

Factors of 129117577472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 61750

Divisors of 129117577472

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 16 17 26 32 34 37 52 64 68 74 104 128 136 148 208 221 256 272 296 416 442 481 544 592 629 832 884 962 1088 1184 1258 1664 1768 1924 2176 2368 2516 3328 3536 3848 4352 4736 5032 7072 7696 8177 9472 10064 14144 15392 16354 20128 28288 30784 32708 40256 56576 61568 61681 65416 80512 123136 123362 130832 161024 246724 261664 493448 523328 801853 986896 1046656 1048577 1603706 1973792 2093312 2097154 2282197 3207412 3947584 4194308 4564394 6414824 7895168 8388616 9128788 12829648 13631501 15790336 16777232 18257576 25659296 27263002 29668561 33554464 36515152 38797349 51318592 54526004 59337122 67108928 73030304 77594698 102637184 109052008 118674244 134217856 146060608 155189396 205274368 218104016 237348488 268435712 292121216 310378792 436208032 474696976 504365537 584242432 620757584 872416064 949393952 1008731074 1241515168 1744832128 1898787904 2017462148 2483030336 3489664256 3797575808 4034924296 4966060672 7595151616 8069848592 9932121344 16139697184 32279394368 64558788736 129117577472
• Sum of all divisors σ(n): 301830751152
• Sum of proper divisors (its aliquot sum) s(n): 172713173680
• 129117577472 is an abundant number, because the sum of its proper divisors (172713173680) is greater than itself. Its abundance is 43595596208

Bases of 129117577472

• Binary: 1111000010000000000011110000100000000₂
• Hexadecimal: 0x1E1001E100
• Base-36: 1NBD9SE8

Squares and roots of 129117577472

• 129117577472 squared (129117577472²) is 16671348812237921910784
• 129117577472 cubed (129117577472³) is 2152564171826865064011939392258048
• The square root of 129117577472 is 359329.3440174347
• The cube root of 129117577472 is 5054.3090036165

Scales and comparisons

• 129,117,577,472 seconds is equal to 4,105 years, 28 weeks, 9 hours, 44 minutes, 32 seconds.
• To count from 1 to 129,117,577,472 would take you about eight thousand, two hundred eleven 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 129117577472 cubic inches would be around 421.2 feet tall.

Recreational maths with 129117577472

• 129117577472 backwards is 274775711921
• The number of decimal digits it has is: 12
• The sum of 129117577472's digits is 53
• More coming soon!