2139747840
2,139,747,840 is an even composite number composed of five prime numbers multiplied together.
2139747840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 2139747840:
29 × 34 × 5 × 17 × 607
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 17 × 607)See below for interesting mathematical facts about the number 2139747840 from the Numbermatics database.
Names of 2139747840
- Cardinal: 2139747840 can be written as Two billion, one hundred thirty-nine million, seven hundred forty-seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.13974784 × 109
Factors of 2139747840
Divisors of 2139747840
- Number of divisors d(n): 400
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 45 48 51 54 60 64 68 72 80 81 85 90 96 102 108 120 128 135 136 144 153 160 162 170 180 192 204 216 240 255 256 270 272 288 306 320 324 340 360 384 405 408 432 459 480 510 512 540 544 576 607 612 640 648 680 720 765 768 810 816 864 918 960 1020 1080 1088 1152 1214 1224 1280 1296 1360 1377 1440 1530 1536 1620 1632 1728 1821 1836 1920 2040 2160 2176 2295 2304 2428 2448 2560 2592 2720 2754 2880 3035 3060 3240 3264 3456 3642 3672 3840 4080 4320 4352 4590 4608 4856 4896 5184 5440 5463 5508 5760 6070 6120 6480 6528 6885 6912 7284 7344 7680 8160 8640 8704 9105 9180 9712 9792 10319 10368 10880 10926 11016 11520 12140 12240 12960 13056 13770 13824 14568 14688 16320 16389 17280 18210 18360 19424 19584 20638 20736 21760 21852 22032 23040 24280 24480 25920 26112 27315 27540 29136 29376 30957 32640 32778 34560 36420 36720 38848 39168 41276 41472 43520 43704 44064 48560 48960 49167 51595 51840 54630 55080 58272 58752 61914 65280 65556 69120 72840 73440 77696 78336 81945 82552 87408 88128 92871 97120 97920 98334 103190 103680 109260 110160 116544 117504 123828 130560 131112 145680 146880 154785 155392 163890 165104 174816 176256 185742 194240 195840 196668 206380 207360 218520 220320 233088 235008 245835 247656 262224 278613 291360 293760 309570 310784 327780 330208 349632 352512 371484 388480 391680 393336 412760 437040 440640 464355 466176 491670 495312 524448 557226 582720 587520 619140 655560 660416 699264 705024 742968 776960 786672 825520 835839 874080 881280 928710 932352 983340 990624 1048896 1114452 1165440 1175040 1238280 1311120 1320832 1393065 1398528 1485936 1553920 1573344 1651040 1671678 1748160 1762560 1857420 1966680 1981248 2097792 2228904 2330880 2476560 2622240 2641664 2786130 2797056 2971872 3146688 3302080 3343356 3496320 3525120 3714840 3933360 3962496 4179195 4195584 4457808 4661760 4953120 5244480 5283328 5572260 5943744 6293376 6604160 6686712 6992640 7429680 7866720 7924992 8358390 8391168 8915616 9906240 10488960 11144520 11887488 12586752 13208320 13373424 13985280 14859360 15733440 15849984 16716780 17831232 19812480 20977920 22289040 23774976 25173504 26416640 26746848 29718720 31466880 33433560 35662464 39624960 41955840 44578080 47549952 53493696 59437440 62933760 66867120 71324928 79249920 89156160 106987392 118874880 125867520 133734240 142649856 178312320 213974784 237749760 267468480 356624640 427949568 534936960 713249280 1069873920 2139747840
- Sum of all divisors σ(n): 8128086912
- Sum of proper divisors (its aliquot sum) s(n): 5988339072
- 2139747840 is an abundant number, because the sum of its proper divisors (5988339072) is greater than itself. Its abundance is 3848591232
Bases of 2139747840
- Binary: 11111111000100111110110000000002
- Hexadecimal: 0x7F89F600
- Base-36: ZDY800
Squares and roots of 2139747840
- 2139747840 squared (21397478402) is 4578520818784665600
- 2139747840 cubed (21397478403) is 9796880032389519642722304000
-
The
square root of 2139747840 is 46257.4084877221 -
The
cube root of 2139747840 is 1288.6081255715
Scales and comparisons
How big is 2139747840?- 2,139,747,840 seconds is equal to 68 years, 1 week, 6 days, 14 hours, 24 minutes.
-
To count from 1 to 2,139,747,840 would take you about one hundred thirty-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 2139747840 cubic inches would be around 107.4 feet tall.
Recreational maths with 2139747840
- 2139747840 backwards is 0487479312
- 2139747840 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 2139747840's digits is 45
- More coming soon!
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