20001897216

Names of 20001897216

• Cardinal: 20001897216 can be written as Twenty billion, one million, eight hundred ninety-seven thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.0001897216 × 10¹⁰

Factors of 20001897216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 894

Divisors of 20001897216

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 73 84 96 98 108 112 126 128 144 146 147 168 189 192 196 216 219 224 252 256 288 292 294 336 378 384 392 432 438 441 448 504 511 576 584 588 657 672 756 768 784 809 864 876 882 896 1008 1022 1152 1168 1176 1314 1323 1344 1512 1533 1568 1618 1728 1752 1764 1792 1971 2016 2044 2304 2336 2352 2427 2628 2646 2688 3024 3066 3136 3236 3456 3504 3528 3577 3942 4032 4088 4599 4672 4704 4854 5256 5292 5376 5663 6048 6132 6272 6472 6912 7008 7056 7154 7281 7884 8064 8176 9198 9344 9408 9708 10512 10584 10731 11326 12096 12264 12544 12944 13797 14016 14112 14308 14562 15768 16128 16352 16989 18396 18688 18816 19416 21024 21168 21462 21843 22652 24192 24528 25888 27594 28032 28224 28616 29124 31536 32193 32704 33978 36792 37632 38832 39641 42048 42336 42924 43686 45304 48384 49056 50967 51776 55188 56064 56448 57232 58248 59057 63072 64386 65408 67956 73584 77664 79282 84096 84672 85848 87372 90608 96579 98112 101934 103552 110376 112896 114464 116496 118114 118923 126144 128772 130816 135912 147168 152901 155328 158564 168192 169344 171696 174744 177171 181216 193158 196224 203868 207104 220752 228928 232992 236228 237846 252288 257544 271824 294336 305802 310656 317128 338688 343392 349488 354342 356769 362432 386316 392448 407736 413399 441504 457856 465984 472456 475692 504576 515088 531513 543648 588672 611604 621312 634256 686784 698976 708684 713538 724864 772632 815472 826798 883008 915712 931968 944912 951384 1030176 1063026 1070307 1087296 1177344 1223208 1240197 1268512 1373568 1397952 1417368 1427076 1449728 1545264 1594539 1630944 1653596 1766016 1863936 1889824 1902768 2060352 2126052 2140614 2174592 2446416 2480394 2537024 2747136 2795904 2834736 2854152 2893793 3090528 3189078 3261888 3307192 3532032 3720591 3779648 3805536 4120704 4252104 4281228 4349184 4892832 4960788 5074048 5591808 5669472 5708304 5787586 6181056 6378156 6523776 6614384 7441182 7559296 7611072 8241408 8504208 8562456 8681379 9785664 9921576 10148096 11161773 11338944 11416608 11575172 12362112 12756312 13047552 13228768 14882364 15118592 15222144 17008416 17124912 17362758 19571328 19843152 22323546 22677888 22833216 23150344 24724224 25512624 26044137 26457536 29764728 30444288 34016832 34249824 34725516 39142656 39686304 44647092 45355776 45666432 46300688 51025248 52088274 52915072 59529456 68033664 68499648 69451032 78132411 79372608 89294184 91332864 92601376 102050496 104176548 105830144 119058912 136067328 136999296 138902064 156264822 158745216 178588368 185202752 204100992 208353096 238117824 273998592 277804128 312529644 317490432 357176736 370405504 408201984 416706192 476235648 555608256 625059288 714353472 740811008 833412384 952471296 1111216512 1250118576 1428706944 1666824768 2222433024 2500237152 2857413888 3333649536 5000474304 6667299072 10000948608 20001897216
• Sum of all divisors σ(n): 69834895200
• Sum of proper divisors (its aliquot sum) s(n): 49832997984
• 20001897216 is an abundant number, because the sum of its proper divisors (49832997984) is greater than itself. Its abundance is 29831100768

Bases of 20001897216

• Binary: 10010101000001101001011101100000000₂
• Hexadecimal: 0x4A834BB00
• Base-36: 96SM2O0

Squares and roots of 20001897216

• 20001897216 squared (20001897216²) is 400075892239428550656
• 20001897216 cubed (20001897216³) is 8002276875172541932797161373696
• The square root of 20001897216 is 141428.0637497383
• The cube root of 20001897216 is 2714.5034444899

Scales and comparisons

• 20,001,897,216 seconds is equal to 635 years, 51 weeks, 6 days, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 20,001,897,216 would take you about one thousand, two hundred seventy-one 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 20001897216 cubic inches would be around 226.2 feet tall.

Recreational maths with 20001897216

• 20001897216 backwards is 61279810002
• 20001897216 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20001897216's digits is 36
• More coming soon!