161471072

Names of 161471072

• Cardinal: 161471072 can be written as One hundred sixty-one million, four hundred seventy-one thousand and seventy-two.

Scientific notation

• Scientific notation: 1.61471072 × 10⁸

Factors of 161471072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 158

Divisors of 161471072

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 49 53 56 58 67 98 106 112 116 134 196 203 212 224 232 268 371 392 406 424 464 469 536 742 784 812 848 928 938 1072 1421 1484 1537 1568 1624 1696 1876 1943 2144 2597 2842 2968 3074 3248 3283 3551 3752 3886 5194 5684 5936 6148 6496 6566 7102 7504 7772 10388 10759 11368 11872 12296 13132 13601 14204 15008 15544 20776 21518 22736 24592 24857 26264 27202 28408 31088 41552 43036 45472 49184 49714 52528 54404 56816 62176 75313 83104 86072 95207 99428 102979 105056 108808 113632 150626 172144 173999 190414 198856 205958 217616 301252 344288 347998 380828 397712 411916 435232 602504 695996 720853 761656 795424 823832 1205008 1391992 1441706 1523312 1647664 2410016 2783984 2883412 3046624 3295328 5045971 5567968 5766824 10091942 11533648 20183884 23067296 40367768 80735536 161471072
• Sum of all divisors σ(n): 395584560
• Sum of proper divisors (its aliquot sum) s(n): 234113488
• 161471072 is an abundant number, because the sum of its proper divisors (234113488) is greater than itself. Its abundance is 72642416

Bases of 161471072

• Binary: 1001100111111101101001100000₂
• Hexadecimal: 0x99FDA60
• Base-36: 2O4VVK

Squares and roots of 161471072

• 161471072 squared (161471072²) is 26072907092829184
• 161471072 cubed (161471072³) is 4210020258435531853365248
• The square root of 161471072 is 12707.1268192301
• The cube root of 161471072 is 544.5422433535

Scales and comparisons

• 161,471,072 seconds is equal to 5 years, 6 weeks, 6 days, 21 hours, 4 minutes, 32 seconds.
• To count from 1 to 161,471,072 would take you about 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 161471072 cubic inches would be around 45.4 feet tall.

Recreational maths with 161471072

• 161471072 backwards is 270174161
• 161471072 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 161471072's digits is 29
• More coming soon!