1997550072

Names of 1997550072

• Cardinal: 1997550072 can be written as One billion, nine hundred ninety-seven million, five hundred fifty thousand and seventy-two.

Scientific notation

• Scientific notation: 1.997550072 × 10⁹

Factors of 1997550072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1252

Divisors of 1997550072

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 53 54 56 63 72 81 84 98 106 108 126 147 159 162 168 189 196 212 216 252 294 318 324 371 378 392 424 441 477 504 567 588 636 648 742 756 882 954 1113 1134 1176 1187 1272 1323 1431 1484 1512 1764 1908 2226 2268 2374 2597 2646 2862 2968 3339 3528 3561 3816 3969 4293 4452 4536 4748 5194 5292 5724 6678 7122 7791 7938 8309 8586 8904 9496 10017 10388 10584 10683 11448 13356 14244 15582 15876 16618 17172 20034 20776 21366 23373 24927 26712 28488 30051 31164 31752 32049 33236 34344 40068 42732 46746 49854 58163 60102 62328 62911 64098 66472 70119 74781 80136 85464 93492 96147 99708 116326 120204 125822 128196 140238 149562 174489 186984 188733 192294 199416 210357 224343 232652 240408 251644 256392 280476 299124 348978 377466 384588 420714 440377 448686 465304 503288 523467 560952 566199 598248 673029 697956 754932 769176 841428 880754 897372 1046934 1132398 1321131 1346058 1395912 1509864 1570401 1682856 1698597 1761508 1794744 2093868 2264796 2642262 2692116 3082639 3140802 3397194 3523016 3963393 4187736 4529592 4711203 5095791 5284524 5384232 6165278 6281604 6794388 7926786 9247917 9422406 10191582 10569048 11890179 12330556 12563208 13588776 15853572 18495834 18844812 20383164 23780358 24661112 27743751 31707144 35670537 36991668 37689624 40766328 47560716 55487502 71341074 73983336 83231253 95121432 110975004 142682148 166462506 221950008 249693759 285364296 332925012 499387518 665850024 998775036 1997550072
• Sum of all divisors σ(n): 6636845160
• Sum of proper divisors (its aliquot sum) s(n): 4639295088
• 1997550072 is an abundant number, because the sum of its proper divisors (4639295088) is greater than itself. Its abundance is 2641745016

Bases of 1997550072

• Binary: 1110111000100000011000111111000₂
• Hexadecimal: 0x771031F8
• Base-36: X1AFI0

Squares and roots of 1997550072

• 1997550072 squared (1997550072²) is 3990206290147205184
• 1997550072 cubed (1997550072³) is 7970636862178402605897973248
• The square root of 1997550072 is 44693.9601288585
• The cube root of 1997550072 is 1259.4063870469

Scales and comparisons

• 1,997,550,072 seconds is equal to 63 years, 26 weeks, 5 days, 19 hours, 1 minute, 12 seconds.
• To count from 1 to 1,997,550,072 would take you about one hundred twenty-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 1997550072 cubic inches would be around 105 feet tall.

Recreational maths with 1997550072

• 1997550072 backwards is 2700557991
• The number of decimal digits it has is: 10
• The sum of 1997550072's digits is 45
• More coming soon!