1989123840
1,989,123,840 is an even composite number composed of five prime numbers multiplied together.
1989123840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 1989123840:
28 × 32 × 5 × 112 × 1427
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 11 × 1427)See below for interesting mathematical facts about the number 1989123840 from the Numbermatics database.
Names of 1989123840
- Cardinal: 1989123840 can be written as One billion, nine hundred eighty-nine million, one hundred twenty-three thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.98912384 × 109
Factors of 1989123840
Divisors of 1989123840
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 121 128 132 144 160 165 176 180 192 198 220 240 242 256 264 288 320 330 352 360 363 384 396 440 480 484 495 528 576 605 640 660 704 720 726 768 792 880 960 968 990 1056 1089 1152 1210 1280 1320 1408 1427 1440 1452 1584 1760 1815 1920 1936 1980 2112 2178 2304 2420 2640 2816 2854 2880 2904 3168 3520 3630 3840 3872 3960 4224 4281 4356 4840 5280 5445 5708 5760 5808 6336 7040 7135 7260 7744 7920 8448 8562 8712 9680 10560 10890 11416 11520 11616 12672 12843 14080 14270 14520 15488 15697 15840 17124 17424 19360 21120 21405 21780 22832 23232 25344 25686 28540 29040 30976 31394 31680 34248 34848 38720 42240 42810 43560 45664 46464 47091 51372 57080 58080 62788 63360 64215 68496 69696 77440 78485 85620 87120 91328 92928 94182 102744 114160 116160 125576 126720 128430 136992 139392 141273 154880 156970 171240 172667 174240 182656 188364 205488 228320 232320 235455 251152 256860 273984 278784 282546 313940 342480 345334 348480 365312 376728 410976 456640 464640 470910 502304 513720 518001 547968 565092 627880 684960 690668 696960 706365 753456 821952 863335 913280 941820 1004608 1027440 1036002 1095936 1130184 1255760 1369920 1381336 1393920 1412730 1506912 1554003 1643904 1726670 1826560 1883640 2009216 2054880 2072004 2260368 2511520 2590005 2739840 2762672 2825460 3013824 3108006 3287808 3453340 3767280 4018432 4109760 4144008 4520736 5023040 5180010 5479680 5525344 5650920 6027648 6216012 6906680 7534560 7770015 8219520 8288016 9041472 10046080 10360020 11050688 11301840 12055296 12432024 13813360 15069120 15540030 16439040 16576032 18082944 20092160 20720040 22101376 22603680 24864048 27626720 30138240 31080060 33152064 36165888 41440080 44202752 45207360 49728096 55253440 60276480 62160120 66304128 82880160 90414720 99456192 110506880 124320240 132608256 165760320 180829440 198912384 221013760 248640480 331520640 397824768 497280960 663041280 994561920 1989123840
- Sum of all divisors σ(n): 7569990792
- Sum of proper divisors (its aliquot sum) s(n): 5580866952
- 1989123840 is an abundant number, because the sum of its proper divisors (5580866952) is greater than itself. Its abundance is 3591743112
Bases of 1989123840
- Binary: 11101101000111110011111000000002
- Hexadecimal: 0x768F9F00
- Base-36: WW9TS0
Squares and roots of 1989123840
- 1989123840 squared (19891238402) is 3956613650856345600
- 1989123840 cubed (19891238403) is 7870194538587793448239104000
-
The
square root of 1989123840 is 44599.5946169917 -
The
cube root of 1989123840 is 1257.6330469337
Scales and comparisons
How big is 1989123840?- 1,989,123,840 seconds is equal to 63 years, 12 weeks, 6 days, 6 hours, 24 minutes.
-
To count from 1 to 1,989,123,840 would take you about one hundred twenty-six 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 1989123840 cubic inches would be around 104.8 feet tall.
Recreational maths with 1989123840
- 1989123840 backwards is 0483219891
- 1989123840 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1989123840's digits is 45
- More coming soon!
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"Number 1989123840 - Facts about the integer". Numbermatics.com. 2024. Web. 27 May 2024.
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Numbermatics. (2024). Number 1989123840 - Facts about the integer. Retrieved 27 May 2024, from https://numbermatics.com/n/1989123840/
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The information we have on file for 1989123840 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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