121488640
121,488,640 is an even composite number composed of five prime numbers multiplied together.
121488640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 121488640:
28 × 5 × 72 × 13 × 149
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 13 × 149)See below for interesting mathematical facts about the number 121488640 from the Numbermatics database.
Names of 121488640
- Cardinal: 121488640 can be written as One hundred twenty-one million, four hundred eighty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.2148864 × 108
Factors of 121488640
Divisors of 121488640
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 128 130 140 149 160 182 196 208 224 245 256 260 280 298 320 364 392 416 448 455 490 520 560 596 637 640 728 745 784 832 896 910 980 1040 1043 1120 1192 1274 1280 1456 1490 1568 1664 1792 1820 1937 1960 2080 2086 2240 2384 2548 2912 2980 3136 3185 3328 3640 3874 3920 4160 4172 4480 4768 5096 5215 5824 5960 6272 6370 7280 7301 7748 7840 8320 8344 8960 9536 9685 10192 10430 11648 11920 12544 12740 13559 14560 14602 15496 15680 16640 16688 19072 19370 20384 20860 23296 23840 25480 27118 29120 29204 30992 31360 33376 36505 38144 38740 40768 41720 47680 50960 54236 58240 58408 61984 62720 66752 67795 73010 77480 81536 83440 94913 95360 101920 108472 116480 116816 123968 133504 135590 146020 154960 163072 166880 189826 190720 203840 216944 233632 247936 267008 271180 292040 309920 333760 379652 407680 433888 467264 474565 495872 542360 584080 619840 667520 759304 815360 867776 934528 949130 1084720 1168160 1239680 1335040 1518608 1735552 1869056 1898260 2169440 2336320 2479360 3037216 3471104 3796520 4338880 4672640 6074432 7593040 8677760 9345280 12148864 15186080 17355520 24297728 30372160 60744320 121488640
- Sum of all divisors σ(n): 367000200
- Sum of proper divisors (its aliquot sum) s(n): 245511560
- 121488640 is an abundant number, because the sum of its proper divisors (245511560) is greater than itself. Its abundance is 124022920
Bases of 121488640
- Binary: 1110011110111000101000000002
- Hexadecimal: 0x73DC500
- Base-36: 20BX8G
Squares and roots of 121488640
- 121488640 squared (1214886402) is 14759489649049600
- 121488640 cubed (1214886403) is 1793110324557113196544000
-
The
square root of 121488640 is 11022.1885304145 -
The
cube root of 121488640 is 495.2736506829
Scales and comparisons
How big is 121488640?- 121,488,640 seconds is equal to 3 years, 44 weeks, 6 days, 2 hours, 50 minutes, 40 seconds.
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To count from 1 to 121,488,640 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 121488640 cubic inches would be around 41.3 feet tall.
Recreational maths with 121488640
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