121989888
121,989,888 is an even composite number composed of four prime numbers multiplied together.
121989888 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 121989888:
28 × 35 × 37 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 37 × 53)See below for interesting mathematical facts about the number 121989888 from the Numbermatics database.
Names of 121989888
- Cardinal: 121989888 can be written as One hundred twenty-one million, nine hundred eighty-nine thousand, eight hundred eighty-eight.
Scientific notation
- Scientific notation: 1.21989888 × 108
Factors of 121989888
Divisors of 121989888
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 53 54 64 72 74 81 96 106 108 111 128 144 148 159 162 192 212 216 222 243 256 288 296 318 324 333 384 424 432 444 477 486 576 592 636 648 666 768 848 864 888 954 972 999 1152 1184 1272 1296 1332 1431 1696 1728 1776 1908 1944 1961 1998 2304 2368 2544 2592 2664 2862 2997 3392 3456 3552 3816 3888 3922 3996 4293 4736 5088 5184 5328 5724 5883 5994 6784 6912 7104 7632 7776 7844 7992 8586 8991 9472 10176 10368 10656 11448 11766 11988 12879 13568 14208 15264 15552 15688 15984 17172 17649 17982 20352 20736 21312 22896 23532 23976 25758 28416 30528 31104 31376 31968 34344 35298 35964 40704 42624 45792 47064 47952 51516 52947 61056 62208 62752 63936 68688 70596 71928 85248 91584 94128 95904 103032 105894 122112 125504 127872 137376 141192 143856 158841 183168 188256 191808 206064 211788 251008 255744 274752 282384 287712 317682 366336 376512 383616 412128 423576 476523 502016 549504 564768 575424 635364 753024 767232 824256 847152 953046 1099008 1129536 1150848 1270728 1506048 1648512 1694304 1906092 2259072 2301696 2541456 3297024 3388608 3812184 4518144 5082912 6777216 7624368 10165824 13554432 15248736 20331648 30497472 40663296 60994944 121989888
- Sum of all divisors σ(n): 381680208
- Sum of proper divisors (its aliquot sum) s(n): 259690320
- 121989888 is an abundant number, because the sum of its proper divisors (259690320) is greater than itself. Its abundance is 137700432
Bases of 121989888
- Binary: 1110100010101101011000000002
- Hexadecimal: 0x7456B00
- Base-36: 20MO00
Squares and roots of 121989888
- 121989888 squared (1219898882) is 14881532774252544
- 121989888 cubed (1219898883) is 1815396516399397126275072
-
The
square root of 121989888 is 11044.9032589697 -
The
cube root of 121989888 is 495.9538632079
Scales and comparisons
How big is 121989888?- 121,989,888 seconds is equal to 3 years, 45 weeks, 4 days, 22 hours, 4 minutes, 48 seconds.
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To count from 1 to 121,989,888 would take you about five 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 121989888 cubic inches would be around 41.3 feet tall.
Recreational maths with 121989888
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