129161732004

Names of 129161732004

• Cardinal: 129161732004 can be written as One hundred twenty-nine billion, one hundred sixty-one million, seven hundred thirty-two thousand and four.

Scientific notation

• Scientific notation: 1.29161732004 × 10¹¹

Factors of 129161732004

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2658

Divisors of 129161732004

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 31 36 54 62 71 81 93 108 124 142 162 186 213 279 284 324 372 426 558 639 837 852 1116 1278 1674 1917 2201 2511 2551 2556 3348 3834 4402 5022 5041 5102 5751 6603 7653 7668 8804 10044 10082 10204 11502 13206 15123 15306 19809 20164 22959 23004 26412 30246 30612 39618 45369 45918 59427 60492 68877 79081 79236 90738 91836 118854 136107 137754 156271 158162 178281 181121 181476 206631 237243 237708 272214 275508 312542 316324 356562 362242 408321 413262 468813 474486 543363 544428 625084 711729 713124 724484 816642 826524 937626 948972 1086726 1406439 1423458 1630089 1633284 1875252 2135187 2173452 2812878 2846916 3260178 4219317 4270374 4890267 5614751 5625756 6405561 6520356 8438634 8540748 9780534 11229502 12657951 12811122 12859591 14670801 16844253 16877268 19561068 22459004 25315902 25622244 25719182 29341602 33688506 38578773 50532759 50631804 51438364 58683204 67377012 77157546 101065518 115736319 151598277 154315092 202131036 231472638 303196554 347208957 398647321 454794831 462945276 606393108 694417914 797294642 909589662 1041626871 1195941963 1388835828 1594589284 1819179324 2083253742 2391883926 3587825889 4166507484 4783767852 7175651778 10763477667 14351303556 21526955334 32290433001 43053910668 64580866002 129161732004
• Sum of all divisors σ(n): 353663183104
• Sum of proper divisors (its aliquot sum) s(n): 224501451100
• 129161732004 is an abundant number, because the sum of its proper divisors (224501451100) is greater than itself. Its abundance is 95339719096

Bases of 129161732004

• Binary: 1111000010010101000111001111110100100₂
• Hexadecimal: 0x1E12A39FA4
• Base-36: 1NC3K690

Squares and roots of 129161732004

• 129161732004 squared (129161732004²) is 16682753014273117856016
• 129161732004 cubed (129161732004³) is 2154773273918467635380245651136064
• The square root of 129161732004 is 359390.7789635121
• The cube root of 129161732004 is 5054.8850811691

Scales and comparisons

• 129,161,732,004 seconds is equal to 4,106 years, 49 weeks, 10 hours, 53 minutes, 24 seconds.
• To count from 1 to 129,161,732,004 would take you about eight thousand, two hundred thirteen 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 129161732004 cubic inches would be around 421.2 feet tall.

Recreational maths with 129161732004

• 129161732004 backwards is 400237161921
• 129161732004 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129161732004's digits is 36
• More coming soon!